Fix token use with schemaless Gitea instance (#977)

Fixes #973

## Summary
- Normalize schemaless `--gitea-instance` values before comparing clone URL hosts
- Add regression tests for `GITEA_TOKEN` use with private action/reusable workflow clones on the same instance

---------

Co-authored-by: silverwind <[email protected]>
Co-authored-by: silverwind <[email protected]>
Reviewed-on: https://gitea.com/gitea/runner/pulls/977
Reviewed-by: Lunny Xiao <[email protected]>
Reviewed-by: silverwind <[email protected]>
Co-authored-by: Nicolas <[email protected]>
Co-committed-by: Nicolas <[email protected]>

.gitea/workflows/release-nightly.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           go-version-file: "go.mod"
       - name: goreleaser
-        uses: goreleaser/goreleaser-action@v6
+        uses: goreleaser/goreleaser-action@v7
         with:
           distribution: goreleaser-pro
           args: release --nightly
@@ -57,13 +57,13 @@ jobs:
           fetch-depth: 0 # all history for all branches and tags
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: Set up Docker BuildX
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Login to DockerHub
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
@@ -71,8 +71,13 @@ jobs:
       - name: Echo the tag
         run: echo "${{ env.DOCKER_ORG }}/runner:nightly${{ matrix.variant.tag_suffix }}"
 
+      - name: Get Meta
+        id: meta
+        run: |
+          echo REPO_VERSION=$(git describe --tags --always | sed 's/-/+/' | sed 's/^v//') >> $GITHUB_OUTPUT
+
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./Dockerfile
@@ -83,3 +88,5 @@ jobs:
           push: true
           tags: |
             ${{ env.DOCKER_ORG }}/runner:nightly${{ matrix.variant.tag_suffix }}
+          build-args: |
+            VERSION=${{ steps.meta.outputs.REPO_VERSION }}

.gitea/workflows/release-tag.yml

@@ -23,7 +23,7 @@ jobs:
           passphrase: ${{ secrets.PASSPHRASE }}
           fingerprint: CC64B1DB67ABBEECAB24B6455FC346329753F4B0
       - name: goreleaser
-        uses: goreleaser/goreleaser-action@v6
+        uses: goreleaser/goreleaser-action@v7
         with:
           distribution: goreleaser-pro
           args: release
@@ -60,20 +60,20 @@ jobs:
           fetch-depth: 0 # all history for all branches and tags
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: Set up Docker BuildX
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Login to DockerHub
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: "Docker meta"
         id: docker_meta
-        uses: https://github.com/docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: |
             ${{ env.DOCKER_ORG }}/runner
@@ -86,7 +86,7 @@ jobs:
             suffix=${{ matrix.variant.tag_suffix }},onlatest=true
 
       - name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           file: ./Dockerfile
@@ -96,3 +96,5 @@ jobs:
             linux/arm64
           push: true
           tags: ${{ steps.docker_meta.outputs.tags }}
+          build-args: |
+            VERSION=${{ steps.docker_meta.outputs.version }}

Dockerfile

@@ -17,7 +17,12 @@ RUN make clean && make build
 ### DIND VARIANT
 #
 #
-FROM docker:28-dind AS dind
+FROM docker:29-dind AS dind
+
+ARG VERSION=dev
+
+LABEL org.opencontainers.image.source="https://gitea.com/gitea/runner"
+LABEL org.opencontainers.image.version="${VERSION}"
 
 RUN apk add --no-cache s6 bash git tzdata
 
@@ -32,7 +37,12 @@ ENTRYPOINT ["s6-svscan","/etc/s6"]
 ### DIND-ROOTLESS VARIANT
 #
 #
-FROM docker:28-dind-rootless AS dind-rootless
+FROM docker:29-dind-rootless AS dind-rootless
+
+ARG VERSION=dev
+
+LABEL org.opencontainers.image.source="https://gitea.com/gitea/runner"
+LABEL org.opencontainers.image.version="${VERSION}"
 
 USER root
 RUN apk add --no-cache s6 bash git tzdata
@@ -54,6 +64,12 @@ ENTRYPOINT ["s6-svscan","/etc/s6"]
 #
 #
 FROM alpine AS basic
+
+ARG VERSION=dev
+
+LABEL org.opencontainers.image.source="https://gitea.com/gitea/runner"
+LABEL org.opencontainers.image.version="${VERSION}"
+
 RUN apk add --no-cache tini bash git tzdata
 
 COPY --from=builder /opt/src/runner/gitea-runner /usr/local/bin/gitea-runner

Makefile

@@ -18,8 +18,8 @@ DOCKER_TAG ?= nightly
 DOCKER_REF := $(DOCKER_IMAGE):$(DOCKER_TAG)
 DOCKER_ROOTLESS_REF := $(DOCKER_IMAGE):$(DOCKER_TAG)-dind-rootless
 
-GOLANGCI_LINT_PACKAGE ?= github.com/golangci/golangci-lint/v2/cmd/[email protected]1.4
-GOVULNCHECK_PACKAGE ?= golang.org/x/vuln/cmd/govulncheck@v1
+GOLANGCI_LINT_PACKAGE ?= github.com/golangci/golangci-lint/v2/cmd/[email protected]2.2
+GOVULNCHECK_PACKAGE ?= golang.org/x/vuln/cmd/govulncheck@v1.3.0
 
 STATIC ?=
 EXTLDFLAGS ?=

act/artifactcache/handler.go

@@ -325,10 +325,6 @@ func (h *Handler) openDB() (*bolthold.Store, error) {
 func (h *Handler) find(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
 	cred := credFromContext(r.Context())
 	keys := strings.Split(r.URL.Query().Get("keys"), ",")
-	// cache keys are case insensitive
-	for i, key := range keys {
-		keys[i] = strings.ToLower(key)
-	}
 	version := r.URL.Query().Get("version")
 
 	db, err := h.openDB()
@@ -371,8 +367,6 @@ func (h *Handler) reserve(w http.ResponseWriter, r *http.Request, _ httprouter.P
 		h.responseJSON(w, r, 400, err)
 		return
 	}
-	// cache keys are case insensitive
-	api.Key = strings.ToLower(api.Key)
 
 	cache := api.ToCache()
 	cache.Repo = cred.Repo
@@ -437,6 +431,7 @@ func (h *Handler) upload(w http.ResponseWriter, r *http.Request, params httprout
 	}
 	if err := h.storage.Write(cache.ID, start, r.Body); err != nil {
 		h.responseJSON(w, r, 500, err)
+		return
 	}
 	h.useCache(id)
 	h.responseJSON(w, r, 200)

act/artifactcache/handler_test.go

@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"os"
 	"path/filepath"
 	"strings"
 	"testing"
@@ -338,6 +339,54 @@ func TestHandler(t *testing.T) {
 		}
 	})
 
+	t.Run("upload write failure returns only error", func(t *testing.T) {
+		key := strings.ToLower(t.Name())
+		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
+		var id uint64
+		{
+			body, err := json.Marshal(&Request{
+				Key:     key,
+				Version: version,
+				Size:    100,
+			})
+			require.NoError(t, err)
+			resp, err := testClient.Post(base+"/caches", "application/json", bytes.NewReader(body))
+			require.NoError(t, err)
+			defer resp.Body.Close()
+			require.Equal(t, 200, resp.StatusCode)
+
+			got := struct {
+				CacheID uint64 `json:"cacheId"`
+			}{}
+			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
+			id = got.CacheID
+		}
+
+		storageFile := filepath.Join(dir, "not-a-directory")
+		require.NoError(t, os.WriteFile(storageFile, []byte("blocked"), 0o600))
+		originalStorage := handler.storage
+		handler.storage = &Storage{rootDir: storageFile}
+		defer func() {
+			handler.storage = originalStorage
+		}()
+
+		req, err := http.NewRequest(http.MethodPatch,
+			fmt.Sprintf("%s/caches/%d", base, id), bytes.NewReader(make([]byte, 100)))
+		require.NoError(t, err)
+		req.Header.Set("Content-Type", "application/octet-stream")
+		req.Header.Set("Content-Range", "bytes 0-99/*")
+		resp, err := testClient.Do(req)
+		require.NoError(t, err)
+		defer resp.Body.Close()
+		require.Equal(t, 500, resp.StatusCode)
+
+		body, err := io.ReadAll(resp.Body)
+		require.NoError(t, err)
+		var got map[string]string
+		require.NoError(t, json.Unmarshal(body, &got))
+		assert.NotEmpty(t, got["error"])
+	})
+
 	t.Run("commit early", func(t *testing.T) {
 		key := strings.ToLower(t.Name())
 		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
@@ -459,17 +508,20 @@ func TestHandler(t *testing.T) {
 		assert.Equal(t, contents[except], content)
 	})
 
-	t.Run("case insensitive", func(t *testing.T) {
+	t.Run("case preserved", func(t *testing.T) {
+		// Some actions (e.g. actions/setup-go, actions/setup-node) build cache keys that contain mixed-case fragments such as RUNNER_OS=Linux,
+		// then compare the cacheKey returned by the cache server to their original key with case-sensitive equality to decide whether the
+		// cache was a complete hit. The server must therefore preserve the original key case.
+
 		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
-		key := strings.ToLower(t.Name())
+		key := strings.ToLower(t.Name()) + "_ABC"
 		content := make([]byte, 100)
 		_, err := rand.Read(content)
 		require.NoError(t, err)
-		uploadCacheNormally(t, base, key+"_ABC", version, content)
+		uploadCacheNormally(t, base, key, version, content)
 
 		{
-			reqKey := key + "_aBc"
-			resp, err := testClient.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, reqKey, version))
+			resp, err := testClient.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, key, version))
 			require.NoError(t, err)
 			defer resp.Body.Close()
 			require.Equal(t, 200, resp.StatusCode)
@@ -480,7 +532,8 @@ func TestHandler(t *testing.T) {
 			}{}
 			require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
 			assert.Equal(t, "hit", got.Result)
-			assert.Equal(t, key+"_abc", got.CacheKey)
+			assert.Equal(t, key, got.CacheKey)
+			assert.NotEqual(t, strings.ToLower(key), got.CacheKey)
 		}
 	})
 
@@ -643,7 +696,7 @@ func uploadCacheNormally(t *testing.T, base, key, version string, content []byte
 		}{}
 		require.NoError(t, json.NewDecoder(resp.Body).Decode(&got))
 		assert.Equal(t, "hit", got.Result)
-		assert.Equal(t, strings.ToLower(key), got.CacheKey)
+		assert.Equal(t, key, got.CacheKey)
 		archiveLocation = got.ArchiveLocation
 	}
 	{

act/artifactcache/testdata/example/example.yaml

@@ -1,30 +0,0 @@
-# Copied from https://github.com/actions/cache#example-cache-workflow
-name: Caching Primes
-
-on: push
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - run: env
-
-      - uses: actions/checkout@v3
-
-      - name: Cache Primes
-        id: cache-primes
-        uses: actions/cache@v3
-        with:
-          path: prime-numbers
-          key: ${{ runner.os }}-primes-${{ github.run_id }}
-          restore-keys: |
-            ${{ runner.os }}-primes
-            ${{ runner.os }}
-
-      - name: Generate Prime Numbers
-        if: steps.cache-primes.outputs.cache-hit != 'true'
-        run: cat /proc/sys/kernel/random/uuid > prime-numbers
-
-      - name: Use Prime Numbers
-        run: cat prime-numbers

act/artifacts/server_test.go

@@ -260,7 +260,7 @@ func TestArtifactFlow(t *testing.T) {
 	defer cancel()
 
 	platforms := map[string]string{
-		"ubuntu-latest": "node:16-buster", // Don't use node:16-buster-slim because it doesn't have curl command, which is used in the tests
+		"ubuntu-latest": "node:24-bookworm", // Don't use node:24-bookworm-slim because it doesn't have curl command, which is used in the tests
 	}
 
 	tables := []TestJobFileInfo{

act/common/cartesian.go

@@ -4,6 +4,8 @@
 
 package common
 
+import "slices"
+
 // CartesianProduct takes map of lists and returns list of unique tuples
 func CartesianProduct(mapOfLists map[string][]any) []map[string]any {
 	listNames := make([]string, 0)
@@ -46,7 +48,7 @@ func cartN(a ...[]any) [][]any {
 		for j, n := range n {
 			pi[j] = a[j][n]
 		}
-		for j := len(n) - 1; j >= 0; j-- {
+		for j := range slices.Backward(n) {
 			n[j]++
 			if n[j] < len(a[j]) {
 				break

act/common/draw.go

@@ -1,146 +0,0 @@
-// Copyright 2026 The Gitea Authors. All rights reserved.
-// Copyright 2020 The nektos/act Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package common
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"strings"
-)
-
-// Style is a specific style
-type Style int
-
-// Styles
-const (
-	StyleDoubleLine = iota
-	StyleSingleLine
-	StyleDashedLine
-	StyleNoLine
-)
-
-// NewPen creates a new pen
-func NewPen(style Style, color int) *Pen {
-	bgcolor := 49
-	if os.Getenv("CLICOLOR") == "0" {
-		color = 0
-		bgcolor = 0
-	}
-	return &Pen{
-		style:   style,
-		color:   color,
-		bgcolor: bgcolor,
-	}
-}
-
-type styleDef struct {
-	cornerTL string
-	cornerTR string
-	cornerBL string
-	cornerBR string
-	lineH    string
-	lineV    string
-}
-
-var styleDefs = []styleDef{
-	{"\u2554", "\u2557", "\u255a", "\u255d", "\u2550", "\u2551"},
-	{"\u256d", "\u256e", "\u2570", "\u256f", "\u2500", "\u2502"},
-	{"\u250c", "\u2510", "\u2514", "\u2518", "\u254c", "\u254e"},
-	{" ", " ", " ", " ", " ", " "},
-}
-
-// Pen struct
-type Pen struct {
-	style   Style
-	color   int
-	bgcolor int
-}
-
-// Drawing struct
-type Drawing struct {
-	buf   *strings.Builder
-	width int
-}
-
-func (p *Pen) drawTopBars(buf io.Writer, labels ...string) {
-	style := styleDefs[p.style]
-	for _, label := range labels {
-		bar := strings.Repeat(style.lineH, len(label)+2)
-		fmt.Fprintf(buf, " ")
-		fmt.Fprintf(buf, "\x1b[%d;%dm", p.color, p.bgcolor)
-		fmt.Fprintf(buf, "%s%s%s", style.cornerTL, bar, style.cornerTR)
-		fmt.Fprintf(buf, "\x1b[%dm", 0)
-	}
-	fmt.Fprintf(buf, "\n")
-}
-
-func (p *Pen) drawBottomBars(buf io.Writer, labels ...string) {
-	style := styleDefs[p.style]
-	for _, label := range labels {
-		bar := strings.Repeat(style.lineH, len(label)+2)
-		fmt.Fprintf(buf, " ")
-		fmt.Fprintf(buf, "\x1b[%d;%dm", p.color, p.bgcolor)
-		fmt.Fprintf(buf, "%s%s%s", style.cornerBL, bar, style.cornerBR)
-		fmt.Fprintf(buf, "\x1b[%dm", 0)
-	}
-	fmt.Fprintf(buf, "\n")
-}
-
-func (p *Pen) drawLabels(buf io.Writer, labels ...string) {
-	style := styleDefs[p.style]
-	for _, label := range labels {
-		fmt.Fprintf(buf, " ")
-		fmt.Fprintf(buf, "\x1b[%d;%dm", p.color, p.bgcolor)
-		fmt.Fprintf(buf, "%s %s %s", style.lineV, label, style.lineV)
-		fmt.Fprintf(buf, "\x1b[%dm", 0)
-	}
-	fmt.Fprintf(buf, "\n")
-}
-
-// DrawArrow between boxes
-func (p *Pen) DrawArrow() *Drawing {
-	drawing := &Drawing{
-		buf:   new(strings.Builder),
-		width: 1,
-	}
-	fmt.Fprintf(drawing.buf, "\x1b[%dm", p.color)
-	fmt.Fprintf(drawing.buf, "\u2b07")
-	fmt.Fprintf(drawing.buf, "\x1b[%dm", 0)
-	return drawing
-}
-
-// DrawBoxes to draw boxes
-func (p *Pen) DrawBoxes(labels ...string) *Drawing {
-	width := 0
-	for _, l := range labels {
-		width += len(l) + 2 + 2 + 1
-	}
-	drawing := &Drawing{
-		buf:   new(strings.Builder),
-		width: width,
-	}
-	p.drawTopBars(drawing.buf, labels...)
-	p.drawLabels(drawing.buf, labels...)
-	p.drawBottomBars(drawing.buf, labels...)
-
-	return drawing
-}
-
-// Draw to writer
-func (d *Drawing) Draw(writer io.Writer, centerOnWidth int) {
-	padSize := max((centerOnWidth-d.GetWidth())/2, 0)
-	for l := range strings.SplitSeq(d.buf.String(), "\n") {
-		if len(l) > 0 {
-			padding := strings.Repeat(" ", padSize)
-			fmt.Fprintf(writer, "%s%s\n", padding, l)
-		}
-	}
-}
-
-// GetWidth of drawing
-func (d *Drawing) GetWidth() int {
-	return d.width
-}

act/common/executor.go

@@ -12,24 +12,6 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-// Warning that implements `error` but safe to ignore
-type Warning struct {
-	Message string
-}
-
-// Error the contract for error
-func (w Warning) Error() string {
-	return w.Message
-}
-
-// Warningf create a warning
-func Warningf(format string, args ...any) Warning {
-	w := Warning{
-		Message: fmt.Sprintf(format, args...),
-	}
-	return w
-}
-
 // Executor define contract for the steps of a workflow
 type Executor func(ctx context.Context) error
 
@@ -97,6 +79,12 @@ func NewErrorExecutor(err error) Executor {
 
 // NewParallelExecutor creates a new executor from a parallel of other executors
 func NewParallelExecutor(parallel int, executors ...Executor) Executor {
+	if len(executors) == 0 {
+		return func(ctx context.Context) error {
+			return ctx.Err()
+		}
+	}
+
 	return func(ctx context.Context) error {
 		work := make(chan Executor, len(executors))
 		errs := make(chan error, len(executors))
@@ -156,14 +144,8 @@ func NewParallelExecutor(parallel int, executors ...Executor) Executor {
 // Then runs another executor if this executor succeeds
 func (e Executor) Then(then Executor) Executor {
 	return func(ctx context.Context) error {
-		err := e(ctx)
-		if err != nil {
-			switch err.(type) {
-			case Warning:
-				Logger(ctx).Warning(err.Error())
-			default:
-				return err
-			}
+		if err := e(ctx); err != nil {
+			return err
 		}
 		if ctx.Err() != nil {
 			return ctx.Err()

act/common/executor_test.go

@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestNewWorkflow(t *testing.T) {
@@ -119,6 +120,19 @@ func TestNewParallelExecutor(t *testing.T) {
 	assert.NoError(errSingle)
 }
 
+func TestNewParallelExecutorEmpty(t *testing.T) {
+	assert := assert.New(t)
+
+	ctx := context.Background()
+	require.NoError(t, NewParallelExecutor(2)(ctx))
+
+	canceledCtx, cancel := context.WithCancel(context.Background())
+	cancel()
+
+	err := NewParallelExecutor(2)(canceledCtx)
+	assert.ErrorIs(err, context.Canceled)
+}
+
 func TestNewParallelExecutorFailed(t *testing.T) {
 	assert := assert.New(t)
 

act/common/file.go

@@ -1,77 +0,0 @@
-// Copyright 2022 The Gitea Authors. All rights reserved.
-// Copyright 2020 The nektos/act Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package common
-
-import (
-	"fmt"
-	"io"
-	"os"
-)
-
-// CopyFile copy file
-func CopyFile(source, dest string) (err error) {
-	sourcefile, err := os.Open(source)
-	if err != nil {
-		return err
-	}
-
-	defer sourcefile.Close()
-
-	destfile, err := os.Create(dest)
-	if err != nil {
-		return err
-	}
-
-	defer destfile.Close()
-
-	_, err = io.Copy(destfile, sourcefile)
-	if err == nil {
-		sourceinfo, err := os.Stat(source)
-		if err != nil {
-			_ = os.Chmod(dest, sourceinfo.Mode())
-		}
-	}
-
-	return err
-}
-
-// CopyDir recursive copy of directory
-func CopyDir(source, dest string) (err error) {
-	// get properties of source dir
-	sourceinfo, err := os.Stat(source)
-	if err != nil {
-		return err
-	}
-
-	// create dest dir
-
-	err = os.MkdirAll(dest, sourceinfo.Mode())
-	if err != nil {
-		return err
-	}
-
-	objects, err := os.ReadDir(source)
-
-	for _, obj := range objects {
-		sourcefilepointer := source + "/" + obj.Name()
-
-		destinationfilepointer := dest + "/" + obj.Name()
-
-		if obj.IsDir() {
-			// create sub-directories - recursively
-			err = CopyDir(sourcefilepointer, destinationfilepointer)
-			if err != nil {
-				fmt.Println(err) //nolint:forbidigo // pre-existing issue from nektos/act
-			}
-		} else {
-			// perform copy
-			err = CopyFile(sourcefilepointer, destinationfilepointer)
-			if err != nil {
-				fmt.Println(err) //nolint:forbidigo // pre-existing issue from nektos/act
-			}
-		}
-	}
-	return err
-}

act/common/git/git.go

@@ -38,9 +38,11 @@ var (
 	ErrNoRepo   = errors.New("unable to find git repo")
 )
 
-// acquireCloneLock returns an unlock function after locking the per-directory mutex for dir.
-// Only concurrent operations targeting the same directory are erialized; clones into different directories run in parallel.
-func acquireCloneLock(dir string) func() {
+// AcquireCloneLock returns an unlock function after locking the per-directory mutex for dir.
+// Only concurrent operations targeting the same directory are serialized; clones into different directories run in parallel.
+// Callers reading files inside dir (e.g. tarring a checked-out action into a job container) must hold this lock too,
+// otherwise a concurrent NewGitCloneExecutor on the same dir can mutate the worktree mid-read.
+func AcquireCloneLock(dir string) func() {
 	v, _ := cloneLocks.LoadOrStore(dir, &sync.Mutex{})
 	mu := v.(*sync.Mutex)
 	mu.Lock()
@@ -305,10 +307,10 @@ func gitOptions(token string) (fetchOptions git.FetchOptions, pullOptions git.Pu
 func NewGitCloneExecutor(input NewGitCloneExecutorInput) common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
-		logger.Infof("  \u2601  git clone '%s' # ref=%s", input.URL, input.Ref)
+		logger.Infof("git clone '%s' # ref=%s", input.URL, input.Ref)
 		logger.Debugf("  cloning %s to %s", input.URL, input.Dir)
 
-		defer acquireCloneLock(input.Dir)()
+		defer AcquireCloneLock(input.Dir)()
 
 		refName := plumbing.ReferenceName("refs/heads/" + input.Ref)
 		r, err := CloneIfRequired(ctx, refName, input, logger)

act/common/git/git_test.go

@@ -310,11 +310,11 @@ func TestAcquireCloneLock(t *testing.T) {
 	t.Run("same directory serializes", func(t *testing.T) {
 		dir := t.TempDir()
 
-		unlock1 := acquireCloneLock(dir)
+		unlock1 := AcquireCloneLock(dir)
 
 		secondAcquired := make(chan struct{})
 		go func() {
-			unlock := acquireCloneLock(dir)
+			unlock := AcquireCloneLock(dir)
 			close(secondAcquired)
 			unlock()
 		}()
@@ -338,12 +338,12 @@ func TestAcquireCloneLock(t *testing.T) {
 		dirA := t.TempDir()
 		dirB := t.TempDir()
 
-		unlockA := acquireCloneLock(dirA)
+		unlockA := AcquireCloneLock(dirA)
 		defer unlockA()
 
 		done := make(chan struct{})
 		go func() {
-			unlock := acquireCloneLock(dirB)
+			unlock := AcquireCloneLock(dirB)
 			unlock()
 			close(done)
 		}()

act/container/container_types.go

@@ -47,6 +47,7 @@ type NewContainerInput struct {
 	// Gitea specific
 	AutoRemove   bool
 	ValidVolumes []string
+	AllocatePTY  bool // allocate a pseudo-TTY for the container's exec processes
 }
 
 // FileEntry is a file to copy to a container

act/container/docker_auth.go

@@ -8,34 +8,38 @@ package container
 
 import (
 	"context"
-	"strings"
 
 	"gitea.com/gitea/runner/act/common"
 
+	"github.com/distribution/reference"
 	"github.com/docker/cli/cli/config"
 	"github.com/docker/cli/cli/config/credentials"
-	"github.com/docker/docker/api/types/registry"
+	"github.com/moby/moby/api/types/registry"
 )
 
 func LoadDockerAuthConfig(ctx context.Context, image string) (registry.AuthConfig, error) {
 	logger := common.Logger(ctx)
-	config, err := config.Load(config.Dir())
+	// config.LoadDefaultConfigFile panics on nil io.Writer when the config
+	// file is malformed; use config.Load to route errors through the logger.
+	cfg, err := config.Load(config.Dir())
 	if err != nil {
 		logger.Warnf("Could not load docker config: %v", err)
 		return registry.AuthConfig{}, err
 	}
-
-	if !config.ContainsAuth() {
-		config.CredentialsStore = credentials.DetectDefaultStore(config.CredentialsStore)
+	if !cfg.ContainsAuth() {
+		cfg.CredentialsStore = credentials.DetectDefaultStore(cfg.CredentialsStore)
 	}
 
-	hostName := "index.docker.io"
-	index := strings.IndexRune(image, '/')
-	if index > -1 && (strings.ContainsAny(image[:index], ".:") || image[:index] == "localhost") {
-		hostName = image[:index]
+	registryKey := registryAuthConfigKey("docker.io")
+	if image != "" {
+		if registryRef, refErr := reference.ParseNormalizedNamed(image); refErr != nil {
+			logger.Warnf("Could not normalize image reference: %v", refErr)
+		} else {
+			registryKey = registryAuthConfigKey(reference.Domain(registryRef))
+		}
 	}
 
-	authConfig, err := config.GetAuthConfig(hostName)
+	authConfig, err := cfg.GetAuthConfig(registryKey)
 	if err != nil {
 		logger.Warnf("Could not get auth config from docker config: %v", err)
 		return registry.AuthConfig{}, err
@@ -46,17 +50,20 @@ func LoadDockerAuthConfig(ctx context.Context, image string) (registry.AuthConfi
 
 func LoadDockerAuthConfigs(ctx context.Context) map[string]registry.AuthConfig {
 	logger := common.Logger(ctx)
-	config, err := config.Load(config.Dir())
+	cfg, err := config.Load(config.Dir())
 	if err != nil {
 		logger.Warnf("Could not load docker config: %v", err)
 		return nil
 	}
-
-	if !config.ContainsAuth() {
-		config.CredentialsStore = credentials.DetectDefaultStore(config.CredentialsStore)
+	if !cfg.ContainsAuth() {
+		cfg.CredentialsStore = credentials.DetectDefaultStore(cfg.CredentialsStore)
 	}
 
-	creds, _ := config.GetAllCredentials()
+	creds, err := cfg.GetAllCredentials()
+	if err != nil {
+		logger.Warnf("Could not get docker auth configs: %v", err)
+		return nil
+	}
 	authConfigs := make(map[string]registry.AuthConfig, len(creds))
 	for k, v := range creds {
 		authConfigs[k] = registry.AuthConfig(v)
@@ -64,3 +71,10 @@ func LoadDockerAuthConfigs(ctx context.Context) map[string]registry.AuthConfig {
 
 	return authConfigs
 }
+
+func registryAuthConfigKey(domainName string) string {
+	if domainName == "docker.io" || domainName == "index.docker.io" {
+		return "https://index.docker.io/v1/"
+	}
+	return domainName
+}

act/container/docker_build.go

@@ -14,10 +14,12 @@ import (
 
 	"gitea.com/gitea/runner/act/common"
 
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/pkg/archive"
-	"github.com/moby/buildkit/frontend/dockerfile/dockerignore"
+	"github.com/moby/go-archive"
+	"github.com/moby/go-archive/compression"
+	"github.com/moby/moby/client"
 	"github.com/moby/patternmatcher"
+	"github.com/moby/patternmatcher/ignorefile"
+	specs "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // NewDockerBuildExecutor function to create a run executor for the container
@@ -25,9 +27,9 @@ func NewDockerBuildExecutor(input NewDockerBuildExecutorInput) common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
 		if input.Platform != "" {
-			logger.Infof("%sdocker build -t %s --platform %s %s", logPrefix, input.ImageTag, input.Platform, input.ContextDir)
+			logger.Infof("docker build -t %s --platform %s %s", input.ImageTag, input.Platform, input.ContextDir)
 		} else {
-			logger.Infof("%sdocker build -t %s %s", logPrefix, input.ImageTag, input.ContextDir)
+			logger.Infof("docker build -t %s %s", input.ImageTag, input.ContextDir)
 		}
 		if common.Dryrun(ctx) {
 			return nil
@@ -42,13 +44,19 @@ func NewDockerBuildExecutor(input NewDockerBuildExecutorInput) common.Executor {
 		logger.Debugf("Building image from '%v'", input.ContextDir)
 
 		tags := []string{input.ImageTag}
-		options := types.ImageBuildOptions{
+		options := client.ImageBuildOptions{
 			Tags:        tags,
 			Remove:      true,
-			Platform:    input.Platform,
 			AuthConfigs: LoadDockerAuthConfigs(ctx),
 			Dockerfile:  input.Dockerfile,
 		}
+		platform, err := parsePlatform(input.Platform)
+		if err != nil {
+			return err
+		}
+		if platform != nil {
+			options.Platforms = []specs.Platform{*platform}
+		}
 		var buildContext io.ReadCloser
 		if input.BuildContext != nil {
 			buildContext = io.NopCloser(input.BuildContext)
@@ -76,7 +84,7 @@ func createBuildContext(ctx context.Context, contextDir, relDockerfile string) (
 	common.Logger(ctx).Debugf("Creating archive for build context dir '%s' with relative dockerfile '%s'", contextDir, relDockerfile)
 
 	// And canonicalize dockerfile name to a platform-independent one
-	relDockerfile = archive.CanonicalTarNameForPath(relDockerfile)
+	relDockerfile = filepath.ToSlash(relDockerfile)
 
 	f, err := os.Open(filepath.Join(contextDir, ".dockerignore"))
 	if err != nil && !os.IsNotExist(err) {
@@ -86,7 +94,7 @@ func createBuildContext(ctx context.Context, contextDir, relDockerfile string) (
 
 	var excludes []string
 	if err == nil {
-		excludes, err = dockerignore.ReadAll(f) //nolint:staticcheck // pre-existing issue from nektos/act
+		excludes, err = ignorefile.ReadAll(f)
 		if err != nil {
 			return nil, err
 		}
@@ -106,9 +114,8 @@ func createBuildContext(ctx context.Context, contextDir, relDockerfile string) (
 		includes = append(includes, ".dockerignore", relDockerfile)
 	}
 
-	compression := archive.Uncompressed
 	buildCtx, err := archive.TarWithOptions(contextDir, &archive.TarOptions{
-		Compression:     compression,
+		Compression:     compression.None,
 		ExcludePatterns: excludes,
 		IncludeFiles:    includes,
 	})

act/container/docker_cli_test.go

@@ -16,15 +16,18 @@ package container
 import (
 	"fmt"
 	"io"
+	"net/netip"
 	"os"
 	"runtime"
 	"strings"
 	"testing"
 	"time"
 
-	"github.com/docker/docker/api/types/container"
-	networktypes "github.com/docker/docker/api/types/network"
 	"github.com/docker/go-connections/nat"
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
+	"github.com/moby/moby/api/types/container"
+	networktypes "github.com/moby/moby/api/types/network"
 	"github.com/pkg/errors"
 	"github.com/spf13/pflag"
 	"gotest.tools/v3/assert"
@@ -77,21 +80,21 @@ func setupRunFlags() (*pflag.FlagSet, *containerOptions) {
 	return flags, copts
 }
 
-func mustParse(t *testing.T, args string) (*container.Config, *container.HostConfig) {
+func mustParse(t *testing.T, args string) (*container.Config, *container.HostConfig, *networktypes.NetworkingConfig) {
 	t.Helper()
-	config, hostConfig, _, err := parseRun(append(strings.Split(args, " "), "ubuntu", "bash"))
+	config, hostConfig, networkingConfig, err := parseRun(append(strings.Split(args, " "), "ubuntu", "bash"))
 	assert.NilError(t, err)
-	return config, hostConfig
+	return config, hostConfig, networkingConfig
 }
 
 func TestParseRunLinks(t *testing.T) {
-	if _, hostConfig := mustParse(t, "--link a:b"); len(hostConfig.Links) == 0 || hostConfig.Links[0] != "a:b" {
+	if _, hostConfig, _ := mustParse(t, "--link a:b"); len(hostConfig.Links) == 0 || hostConfig.Links[0] != "a:b" {
 		t.Fatalf("Error parsing links. Expected []string{\"a:b\"}, received: %v", hostConfig.Links)
 	}
-	if _, hostConfig := mustParse(t, "--link a:b --link c:d"); len(hostConfig.Links) < 2 || hostConfig.Links[0] != "a:b" || hostConfig.Links[1] != "c:d" {
+	if _, hostConfig, _ := mustParse(t, "--link a:b --link c:d"); len(hostConfig.Links) < 2 || hostConfig.Links[0] != "a:b" || hostConfig.Links[1] != "c:d" {
 		t.Fatalf("Error parsing links. Expected []string{\"a:b\", \"c:d\"}, received: %v", hostConfig.Links)
 	}
-	if _, hostConfig := mustParse(t, ""); len(hostConfig.Links) != 0 {
+	if _, hostConfig, _ := mustParse(t, ""); len(hostConfig.Links) != 0 {
 		t.Fatalf("Error parsing links. No link expected, received: %v", hostConfig.Links)
 	}
 }
@@ -140,7 +143,7 @@ func TestParseRunAttach(t *testing.T) {
 	}
 	for _, tc := range tests {
 		t.Run(tc.input, func(t *testing.T) {
-			config, _ := mustParse(t, tc.input)
+			config, _, _ := mustParse(t, tc.input)
 			assert.Equal(t, config.AttachStdin, tc.expected.AttachStdin)
 			assert.Equal(t, config.AttachStdout, tc.expected.AttachStdout)
 			assert.Equal(t, config.AttachStderr, tc.expected.AttachStderr)
@@ -194,10 +197,10 @@ func TestParseRunWithInvalidArgs(t *testing.T) {
 	}
 }
 
-func TestParseWithVolumes(t *testing.T) {
+func TestParseWithVolumes(t *testing.T) { //nolint:gocyclo // verbatim copy from docker/cli tests
 	// A single volume
 	arr, tryit := setupPlatformVolume([]string{`/tmp`}, []string{`c:\tmp`})
-	if config, hostConfig := mustParse(t, tryit); hostConfig.Binds != nil {
+	if config, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds != nil {
 		t.Fatalf("Error parsing volume flags, %q should not mount-bind anything. Received %v", tryit, hostConfig.Binds)
 	} else if _, exists := config.Volumes[arr[0]]; !exists {
 		t.Fatalf("Error parsing volume flags, %q is missing from volumes. Received %v", tryit, config.Volumes)
@@ -205,7 +208,7 @@ func TestParseWithVolumes(t *testing.T) {
 
 	// Two volumes
 	arr, tryit = setupPlatformVolume([]string{`/tmp`, `/var`}, []string{`c:\tmp`, `c:\var`})
-	if config, hostConfig := mustParse(t, tryit); hostConfig.Binds != nil {
+	if config, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds != nil {
 		t.Fatalf("Error parsing volume flags, %q should not mount-bind anything. Received %v", tryit, hostConfig.Binds)
 	} else if _, exists := config.Volumes[arr[0]]; !exists {
 		t.Fatalf("Error parsing volume flags, %s is missing from volumes. Received %v", arr[0], config.Volumes)
@@ -215,13 +218,13 @@ func TestParseWithVolumes(t *testing.T) {
 
 	// A single bind mount
 	arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`}, []string{os.Getenv("TEMP") + `:c:\containerTmp`})
-	if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || hostConfig.Binds[0] != arr[0] {
+	if config, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds == nil || hostConfig.Binds[0] != arr[0] {
 		t.Fatalf("Error parsing volume flags, %q should mount-bind the path before the colon into the path after the colon. Received %v %v", arr[0], hostConfig.Binds, config.Volumes)
 	}
 
 	// Two bind mounts.
 	arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`, `/hostVar:/containerVar`}, []string{os.Getenv("ProgramData") + `:c:\ContainerPD`, os.Getenv("TEMP") + `:c:\containerTmp`})
-	if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
+	if _, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
 		t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
 	}
 
@@ -230,26 +233,26 @@ func TestParseWithVolumes(t *testing.T) {
 	arr, tryit = setupPlatformVolume(
 		[]string{`/hostTmp:/containerTmp:ro`, `/hostVar:/containerVar:rw`},
 		[]string{os.Getenv("TEMP") + `:c:\containerTmp:rw`, os.Getenv("ProgramData") + `:c:\ContainerPD:rw`})
-	if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
+	if _, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
 		t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
 	}
 
 	// Similar to previous test but with alternate modes which are only supported by Linux
 	if runtime.GOOS != "windows" {
 		arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:ro,Z`, `/hostVar:/containerVar:rw,Z`}, []string{})
-		if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
+		if _, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
 			t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
 		}
 
 		arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp:Z`, `/hostVar:/containerVar:z`}, []string{})
-		if _, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
+		if _, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds == nil || compareRandomizedStrings(hostConfig.Binds[0], hostConfig.Binds[1], arr[0], arr[1]) != nil {
 			t.Fatalf("Error parsing volume flags, `%s and %s` did not mount-bind correctly. Received %v", arr[0], arr[1], hostConfig.Binds)
 		}
 	}
 
 	// One bind mount and one volume
 	arr, tryit = setupPlatformVolume([]string{`/hostTmp:/containerTmp`, `/containerVar`}, []string{os.Getenv("TEMP") + `:c:\containerTmp`, `c:\containerTmp`})
-	if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] {
+	if config, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] {
 		t.Fatalf("Error parsing volume flags, %s and %s should only one and only one bind mount %s. Received %s", arr[0], arr[1], arr[0], hostConfig.Binds)
 	} else if _, exists := config.Volumes[arr[1]]; !exists {
 		t.Fatalf("Error parsing volume flags %s and %s. %s is missing from volumes. Received %v", arr[0], arr[1], arr[1], config.Volumes)
@@ -258,7 +261,7 @@ func TestParseWithVolumes(t *testing.T) {
 	// Root to non-c: drive letter (Windows specific)
 	if runtime.GOOS == "windows" {
 		arr, tryit = setupPlatformVolume([]string{}, []string{os.Getenv("SystemDrive") + `\:d:`})
-		if config, hostConfig := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] || len(config.Volumes) != 0 {
+		if config, hostConfig, _ := mustParse(t, tryit); hostConfig.Binds == nil || len(hostConfig.Binds) > 1 || hostConfig.Binds[0] != arr[0] || len(config.Volumes) != 0 {
 			t.Fatalf("Error parsing %s. Should have a single bind mount and no volumes", arr[0])
 		}
 	}
@@ -294,6 +297,36 @@ func compareRandomizedStrings(a, b, c, d string) error {
 	return errors.Errorf("strings don't match")
 }
 
+func mustNetworkPort(t *testing.T, value string) networktypes.Port {
+	t.Helper()
+
+	port, err := networktypes.ParsePort(value)
+	if err != nil {
+		t.Fatalf("failed to parse network port %q: %v", value, err)
+	}
+	return port
+}
+
+func mustAddr(t *testing.T, value string) netip.Addr {
+	t.Helper()
+
+	addr, err := netip.ParseAddr(value)
+	if err != nil {
+		t.Fatalf("failed to parse address %q: %v", value, err)
+	}
+	return addr
+}
+
+func mustAddrs(t *testing.T, values ...string) []netip.Addr {
+	t.Helper()
+
+	addrs := make([]netip.Addr, 0, len(values))
+	for _, value := range values {
+		addrs = append(addrs, mustAddr(t, value))
+	}
+	return addrs
+}
+
 // Simple parse with MacAddress validation
 func TestParseWithMacAddress(t *testing.T) {
 	invalidMacAddress := "--mac-address=invalidMacAddress"
@@ -301,9 +334,10 @@ func TestParseWithMacAddress(t *testing.T) {
 	if _, _, _, err := parseRun([]string{invalidMacAddress, "img", "cmd"}); err != nil && err.Error() != "invalidMacAddress is not a valid mac address" {
 		t.Fatalf("Expected an error with %v mac-address, got %v", invalidMacAddress, err)
 	}
-	if config, _ := mustParse(t, validMacAddress); config.MacAddress != "92:d0:c6:0a:29:33" { //nolint:staticcheck // pre-existing issue from nektos/act
-		t.Fatalf("Expected the config to have '92:d0:c6:0a:29:33' as MacAddress, got '%v'", config.MacAddress) //nolint:staticcheck // pre-existing issue from nektos/act
-	}
+	_, hostConfig, networkingConfig := mustParse(t, validMacAddress)
+	endpoint := networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)]
+	assert.Check(t, endpoint != nil)
+	assert.Equal(t, "92:d0:c6:0a:29:33", endpoint.MacAddress.String())
 }
 
 func TestRunFlagsParseWithMemory(t *testing.T) {
@@ -312,7 +346,7 @@ func TestRunFlagsParseWithMemory(t *testing.T) {
 	err := flags.Parse(args)
 	assert.ErrorContains(t, err, `invalid argument "invalid" for "-m, --memory" flag`)
 
-	_, hostconfig := mustParse(t, "--memory=1G")
+	_, hostconfig, _ := mustParse(t, "--memory=1G")
 	assert.Check(t, is.Equal(int64(1073741824), hostconfig.Memory))
 }
 
@@ -322,10 +356,10 @@ func TestParseWithMemorySwap(t *testing.T) {
 	err := flags.Parse(args)
 	assert.ErrorContains(t, err, `invalid argument "invalid" for "--memory-swap" flag`)
 
-	_, hostconfig := mustParse(t, "--memory-swap=1G")
+	_, hostconfig, _ := mustParse(t, "--memory-swap=1G")
 	assert.Check(t, is.Equal(int64(1073741824), hostconfig.MemorySwap))
 
-	_, hostconfig = mustParse(t, "--memory-swap=-1")
+	_, hostconfig, _ = mustParse(t, "--memory-swap=-1")
 	assert.Check(t, is.Equal(int64(-1), hostconfig.MemorySwap))
 }
 
@@ -340,14 +374,14 @@ func TestParseHostname(t *testing.T) {
 	hostnameWithDomain := "--hostname=hostname.domainname"
 	hostnameWithDomainTld := "--hostname=hostname.domainname.tld"
 	for hostname, expectedHostname := range validHostnames {
-		if config, _ := mustParse(t, "--hostname="+hostname); config.Hostname != expectedHostname {
+		if config, _, _ := mustParse(t, "--hostname="+hostname); config.Hostname != expectedHostname {
 			t.Fatalf("Expected the config to have 'hostname' as %q, got %q", expectedHostname, config.Hostname)
 		}
 	}
-	if config, _ := mustParse(t, hostnameWithDomain); config.Hostname != "hostname.domainname" || config.Domainname != "" {
+	if config, _, _ := mustParse(t, hostnameWithDomain); config.Hostname != "hostname.domainname" || config.Domainname != "" {
 		t.Fatalf("Expected the config to have 'hostname' as hostname.domainname, got %q", config.Hostname)
 	}
-	if config, _ := mustParse(t, hostnameWithDomainTld); config.Hostname != "hostname.domainname.tld" || config.Domainname != "" {
+	if config, _, _ := mustParse(t, hostnameWithDomainTld); config.Hostname != "hostname.domainname.tld" || config.Domainname != "" {
 		t.Fatalf("Expected the config to have 'hostname' as hostname.domainname.tld, got %q", config.Hostname)
 	}
 }
@@ -361,26 +395,28 @@ func TestParseHostnameDomainname(t *testing.T) {
 		"domainname-63-bytes-long-should-be-valid-and-without-any-errors": "domainname-63-bytes-long-should-be-valid-and-without-any-errors",
 	}
 	for domainname, expectedDomainname := range validDomainnames {
-		if config, _ := mustParse(t, "--domainname="+domainname); config.Domainname != expectedDomainname {
+		if config, _, _ := mustParse(t, "--domainname="+domainname); config.Domainname != expectedDomainname {
 			t.Fatalf("Expected the config to have 'domainname' as %q, got %q", expectedDomainname, config.Domainname)
 		}
 	}
-	if config, _ := mustParse(t, "--hostname=some.prefix --domainname=domainname"); config.Hostname != "some.prefix" || config.Domainname != "domainname" {
+	if config, _, _ := mustParse(t, "--hostname=some.prefix --domainname=domainname"); config.Hostname != "some.prefix" || config.Domainname != "domainname" {
 		t.Fatalf("Expected the config to have 'hostname' as 'some.prefix' and 'domainname' as 'domainname', got %q and %q", config.Hostname, config.Domainname)
 	}
-	if config, _ := mustParse(t, "--hostname=another-prefix --domainname=domainname.tld"); config.Hostname != "another-prefix" || config.Domainname != "domainname.tld" {
+	if config, _, _ := mustParse(t, "--hostname=another-prefix --domainname=domainname.tld"); config.Hostname != "another-prefix" || config.Domainname != "domainname.tld" {
 		t.Fatalf("Expected the config to have 'hostname' as 'another-prefix' and 'domainname' as 'domainname.tld', got %q and %q", config.Hostname, config.Domainname)
 	}
 }
 
 func TestParseWithExpose(t *testing.T) {
-	invalids := map[string]string{
-		":":                   "invalid port format for --expose: :",
-		"8080:9090":           "invalid port format for --expose: 8080:9090",
-		"NaN/tcp":             `invalid range format for --expose: NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`,
-		"NaN-NaN/tcp":         `invalid range format for --expose: NaN-NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`,
-		"8080-NaN/tcp":        `invalid range format for --expose: 8080-NaN/tcp, error: strconv.ParseUint: parsing "NaN": invalid syntax`,
-		"1234567890-8080/tcp": `invalid range format for --expose: 1234567890-8080/tcp, error: strconv.ParseUint: parsing "1234567890": value out of range`,
+	invalids := []string{
+		":",
+		"8080:9090",
+		"/tcp",
+		"/udp",
+		"NaN/tcp",
+		"NaN-NaN/tcp",
+		"8080-NaN/tcp",
+		"1234567890-8080/tcp",
 	}
 	valids := map[string][]nat.Port{
 		"8080/tcp":      {"8080/tcp"},
@@ -389,9 +425,9 @@ func TestParseWithExpose(t *testing.T) {
 		"8080-8080/udp": {"8080/udp"},
 		"8080-8082/tcp": {"8080/tcp", "8081/tcp", "8082/tcp"},
 	}
-	for expose, expectedError := range invalids {
-		if _, _, _, err := parseRun([]string{fmt.Sprintf("--expose=%v", expose), "img", "cmd"}); err == nil || err.Error() != expectedError {
-			t.Fatalf("Expected error '%v' with '--expose=%v', got '%v'", expectedError, expose, err)
+	for _, expose := range invalids {
+		if _, _, _, err := parseRun([]string{fmt.Sprintf("--expose=%v", expose), "img", "cmd"}); err == nil {
+			t.Fatalf("Expected error with '--expose=%v', got none", expose)
 		}
 	}
 	for expose, exposedPorts := range valids {
@@ -403,7 +439,7 @@ func TestParseWithExpose(t *testing.T) {
 			t.Fatalf("Expected %v exposed port, got %v", len(exposedPorts), len(config.ExposedPorts))
 		}
 		for _, port := range exposedPorts {
-			if _, ok := config.ExposedPorts[port]; !ok {
+			if _, ok := config.ExposedPorts[mustNetworkPort(t, string(port))]; !ok {
 				t.Fatalf("Expected %v, got %v", exposedPorts, config.ExposedPorts)
 			}
 		}
@@ -418,7 +454,7 @@ func TestParseWithExpose(t *testing.T) {
 	}
 	ports := []nat.Port{"80/tcp", "81/tcp"}
 	for _, port := range ports {
-		if _, ok := config.ExposedPorts[port]; !ok {
+		if _, ok := config.ExposedPorts[mustNetworkPort(t, string(port))]; !ok {
 			t.Fatalf("Expected %v, got %v", ports, config.ExposedPorts)
 		}
 	}
@@ -498,9 +534,9 @@ func TestParseNetworkConfig(t *testing.T) {
 			expected: map[string]*networktypes.EndpointSettings{
 				"net1": {
 					IPAMConfig: &networktypes.EndpointIPAMConfig{
-						IPv4Address:  "172.20.88.22",
-						IPv6Address:  "2001:db8::8822",
-						LinkLocalIPs: []string{"169.254.2.2", "fe80::169:254:2:2"},
+						IPv4Address:  mustAddr(t, "172.20.88.22"),
+						IPv6Address:  mustAddr(t, "2001:db8::8822"),
+						LinkLocalIPs: mustAddrs(t, "169.254.2.2", "fe80::169:254:2:2"),
 					},
 					Links:   []string{"foo:bar", "bar:baz"},
 					Aliases: []string{"web1", "web2"},
@@ -527,9 +563,9 @@ func TestParseNetworkConfig(t *testing.T) {
 				"net1": {
 					DriverOpts: map[string]string{"field1": "value1"},
 					IPAMConfig: &networktypes.EndpointIPAMConfig{
-						IPv4Address:  "172.20.88.22",
-						IPv6Address:  "2001:db8::8822",
-						LinkLocalIPs: []string{"169.254.2.2", "fe80::169:254:2:2"},
+						IPv4Address:  mustAddr(t, "172.20.88.22"),
+						IPv6Address:  mustAddr(t, "2001:db8::8822"),
+						LinkLocalIPs: mustAddrs(t, "169.254.2.2", "fe80::169:254:2:2"),
 					},
 					Links:   []string{"foo:bar", "bar:baz"},
 					Aliases: []string{"web1", "web2"},
@@ -538,8 +574,8 @@ func TestParseNetworkConfig(t *testing.T) {
 				"net3": {
 					DriverOpts: map[string]string{"field3": "value3"},
 					IPAMConfig: &networktypes.EndpointIPAMConfig{
-						IPv4Address: "172.20.88.22",
-						IPv6Address: "2001:db8::8822",
+						IPv4Address: mustAddr(t, "172.20.88.22"),
+						IPv6Address: mustAddr(t, "2001:db8::8822"),
 					},
 					Aliases: []string{"web3"},
 				},
@@ -556,8 +592,8 @@ func TestParseNetworkConfig(t *testing.T) {
 						"field2": "value2",
 					},
 					IPAMConfig: &networktypes.EndpointIPAMConfig{
-						IPv4Address: "172.20.88.22",
-						IPv6Address: "2001:db8::8822",
+						IPv4Address: mustAddr(t, "172.20.88.22"),
+						IPv6Address: mustAddr(t, "2001:db8::8822"),
 					},
 					Aliases: []string{"web1", "web2"},
 				},
@@ -610,7 +646,9 @@ func TestParseNetworkConfig(t *testing.T) {
 
 			assert.NilError(t, err)
 			assert.DeepEqual(t, hConfig.NetworkMode, tc.expectedCfg.NetworkMode)
-			assert.DeepEqual(t, nwConfig.EndpointsConfig, tc.expected)
+			if diff := cmp.Diff(tc.expected, nwConfig.EndpointsConfig, cmpopts.EquateComparable(netip.Addr{})); diff != "" {
+				t.Fatalf("unexpected endpoints (-want +got):\n%s", diff)
+			}
 		})
 	}
 }
@@ -631,7 +669,7 @@ func TestParseModes(t *testing.T) {
 	}
 
 	// uts ko
-	_, _, _, err = parseRun([]string{"--uts=container:", "img", "cmd"})
+	_, _, _, err = parseRun([]string{"--uts=container:", "img", "cmd"}) //nolint:dogsled // verbatim copy from docker/cli tests
 	assert.ErrorContains(t, err, "--uts: invalid UTS mode")
 
 	// uts ok
@@ -691,10 +729,9 @@ func TestParseRestartPolicy(t *testing.T) {
 }
 
 func TestParseRestartPolicyAutoRemove(t *testing.T) {
-	expected := "Conflicting options: --restart and --rm"
-	_, _, _, err := parseRun([]string{"--rm", "--restart=always", "img", "cmd"})
-	if err == nil || err.Error() != expected {
-		t.Fatalf("Expected error %v, but got none", expected)
+	_, _, _, err := parseRun([]string{"--rm", "--restart=always", "img", "cmd"}) //nolint:dogsled // verbatim copy from docker/cli tests
+	if err == nil {
+		t.Fatal("Expected error for conflicting --restart and --rm, but got none")
 	}
 }
 
@@ -752,7 +789,7 @@ func TestParseLoggingOpts(t *testing.T) {
 	}
 }
 
-func TestParseEnvfileVariables(t *testing.T) { //nolint:dupl // pre-existing issue from nektos/act
+func TestParseEnvfileVariables(t *testing.T) { //nolint:dupl // verbatim copy from docker/cli tests
 	e := "open nonexistent: no such file or directory"
 	if runtime.GOOS == "windows" {
 		e = "open nonexistent: The system cannot find the file specified."
@@ -795,7 +832,7 @@ func TestParseEnvfileVariablesWithBOMUnicode(t *testing.T) {
 	}
 
 	// UTF16 with BOM
-	e := "contains invalid utf8 bytes at line"
+	e := "invalid env file"
 	if _, _, _, err := parseRun([]string{"--env-file=testdata/utf16.env", "img", "cmd"}); err == nil || !strings.Contains(err.Error(), e) {
 		t.Fatalf("Expected an error with message '%s', got %v", e, err)
 	}
@@ -805,7 +842,7 @@ func TestParseEnvfileVariablesWithBOMUnicode(t *testing.T) {
 	}
 }
 
-func TestParseLabelfileVariables(t *testing.T) { //nolint:dupl // pre-existing issue from nektos/act
+func TestParseLabelfileVariables(t *testing.T) { //nolint:dupl // verbatim copy from docker/cli tests
 	e := "open nonexistent: no such file or directory"
 	if runtime.GOOS == "windows" {
 		e = "open nonexistent: The system cannot find the file specified."

act/container/docker_images.go

@@ -10,8 +10,8 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/client"
+	cerrdefs "github.com/containerd/errdefs"
+	"github.com/moby/moby/client"
 )
 
 // ImageExistsLocally returns a boolean indicating if an image with the
@@ -23,8 +23,8 @@ func ImageExistsLocally(ctx context.Context, imageName, platform string) (bool,
 	}
 	defer cli.Close()
 
-	inspectImage, _, err := cli.ImageInspectWithRaw(ctx, imageName)
-	if client.IsErrNotFound(err) {
+	inspectImage, err := cli.ImageInspect(ctx, imageName)
+	if cerrdefs.IsNotFound(err) {
 		return false, nil
 	} else if err != nil {
 		return false, err
@@ -46,14 +46,14 @@ func RemoveImage(ctx context.Context, imageName string, force, pruneChildren boo
 	}
 	defer cli.Close()
 
-	inspectImage, _, err := cli.ImageInspectWithRaw(ctx, imageName)
-	if client.IsErrNotFound(err) {
+	inspectImage, err := cli.ImageInspect(ctx, imageName)
+	if cerrdefs.IsNotFound(err) {
 		return false, nil
 	} else if err != nil {
 		return false, err
 	}
 
-	if _, err = cli.ImageRemove(ctx, inspectImage.ID, types.ImageRemoveOptions{
+	if _, err = cli.ImageRemove(ctx, inspectImage.ID, client.ImageRemoveOptions{
 		Force:         force,
 		PruneChildren: pruneChildren,
 	}); err != nil {

act/container/docker_images_test.go

@@ -9,8 +9,8 @@ import (
 	"io"
 	"testing"
 
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/client"
+	"github.com/moby/moby/client"
+	specs "github.com/opencontainers/image-spec/specs-go/v1"
 	log "github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 )
@@ -38,34 +38,34 @@ func TestImageExistsLocally(t *testing.T) {
 	assert.False(t, invalidImagePlatform)
 
 	// pull an image
-	cli, err := client.NewClientWithOpts(client.FromEnv)
+	cli, err := client.New(client.FromEnv)
 	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
-	cli.NegotiateAPIVersion(context.Background())
+	defer cli.Close()
 
 	// Chose alpine latest because it's so small
 	// maybe we should build an image instead so that tests aren't reliable on dockerhub
-	readerDefault, err := cli.ImagePull(ctx, "node:16-buster-slim", types.ImagePullOptions{
-		Platform: "linux/amd64",
+	readerDefault, err := cli.ImagePull(ctx, "node:24-bookworm-slim", client.ImagePullOptions{
+		Platforms: []specs.Platform{{OS: "linux", Architecture: "amd64"}},
 	})
 	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
 	defer readerDefault.Close()
 	_, err = io.ReadAll(readerDefault)
 	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
 
-	imageDefaultArchExists, err := ImageExistsLocally(ctx, "node:16-buster-slim", "linux/amd64")
+	imageDefaultArchExists, err := ImageExistsLocally(ctx, "node:24-bookworm-slim", "linux/amd64")
 	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
 	assert.True(t, imageDefaultArchExists)
 
 	// Validate if another architecture platform can be pulled
-	readerArm64, err := cli.ImagePull(ctx, "node:16-buster-slim", types.ImagePullOptions{
-		Platform: "linux/arm64",
+	readerArm64, err := cli.ImagePull(ctx, "node:24-bookworm-slim", client.ImagePullOptions{
+		Platforms: []specs.Platform{{OS: "linux", Architecture: "arm64"}},
 	})
 	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
 	defer readerArm64.Close()
 	_, err = io.ReadAll(readerArm64)
 	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
 
-	imageArm64Exists, err := ImageExistsLocally(ctx, "node:16-buster-slim", "linux/arm64")
+	imageArm64Exists, err := ImageExistsLocally(ctx, "node:24-bookworm-slim", "linux/arm64")
 	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
 	assert.True(t, imageArm64Exists)
 }

act/container/docker_logger.go

@@ -26,8 +26,6 @@ type dockerMessage struct {
 	Progress string `json:"progress"`
 }
 
-const logPrefix = "  \U0001F433  "
-
 func logDockerResponse(logger logrus.FieldLogger, dockerResponse io.ReadCloser, isError bool) error {
 	if dockerResponse == nil {
 		return nil

act/container/docker_network.go

@@ -11,7 +11,7 @@ import (
 
 	"gitea.com/gitea/runner/act/common"
 
-	"github.com/docker/docker/api/types"
+	"github.com/moby/moby/client"
 )
 
 func NewDockerNetworkCreateExecutor(name string) common.Executor {
@@ -23,20 +23,20 @@ func NewDockerNetworkCreateExecutor(name string) common.Executor {
 		defer cli.Close()
 
 		// Only create the network if it doesn't exist
-		networks, err := cli.NetworkList(ctx, types.NetworkListOptions{})
+		networks, err := cli.NetworkList(ctx, client.NetworkListOptions{})
 		if err != nil {
 			return err
 		}
 		// For Gitea, reduce log noise
 		// common.Logger(ctx).Debugf("%v", networks)
-		for _, network := range networks {
-			if network.Name == name {
+		for _, n := range networks.Items {
+			if n.Name == name {
 				common.Logger(ctx).Debugf("Network %v exists", name)
 				return nil
 			}
 		}
 
-		_, err = cli.NetworkCreate(ctx, name, types.NetworkCreate{
+		_, err = cli.NetworkCreate(ctx, name, client.NetworkCreateOptions{
 			Driver: "bridge",
 			Scope:  "local",
 		})
@@ -56,23 +56,23 @@ func NewDockerNetworkRemoveExecutor(name string) common.Executor {
 		}
 		defer cli.Close()
 
-		// Make shure that all network of the specified name are removed
+		// Make sure that all network of the specified name are removed
 		// cli.NetworkRemove refuses to remove a network if there are duplicates
-		networks, err := cli.NetworkList(ctx, types.NetworkListOptions{})
+		networks, err := cli.NetworkList(ctx, client.NetworkListOptions{})
 		if err != nil {
 			return err
 		}
 		// For Gitea, reduce log noise
 		// common.Logger(ctx).Debugf("%v", networks)
-		for _, network := range networks {
-			if network.Name == name {
-				result, err := cli.NetworkInspect(ctx, network.ID, types.NetworkInspectOptions{})
+		for _, n := range networks.Items {
+			if n.Name == name {
+				result, err := cli.NetworkInspect(ctx, n.ID, client.NetworkInspectOptions{})
 				if err != nil {
 					return err
 				}
 
-				if len(result.Containers) == 0 {
-					if err = cli.NetworkRemove(ctx, network.ID); err != nil {
+				if len(result.Network.Containers) == 0 {
+					if _, err = cli.NetworkRemove(ctx, n.ID, client.NetworkRemoveOptions{}); err != nil {
 						common.Logger(ctx).Debugf("%v", err)
 					}
 				} else {

act/container/docker_platform.go

@@ -0,0 +1,39 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// Copyright 2025 The nektos/act Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build !(WITHOUT_DOCKER || !(linux || darwin || windows || netbsd))
+
+package container
+
+import (
+	"fmt"
+	"strings"
+
+	specs "github.com/opencontainers/image-spec/specs-go/v1"
+)
+
+// parsePlatform parses an "os/arch[/variant]" string into a Platform. An empty input
+// returns (nil, nil), meaning "no platform constraint". A non-empty but malformed
+// string is rejected explicitly so it cannot silently fall through to the daemon's
+// default architecture.
+func parsePlatform(platform string) (*specs.Platform, error) {
+	if platform == "" {
+		return nil, nil //nolint:nilnil // no platform constraint requested
+	}
+
+	parts := strings.Split(platform, "/")
+	if len(parts) < 2 || len(parts) > 3 || parts[0] == "" || parts[1] == "" || (len(parts) == 3 && parts[2] == "") {
+		return nil, fmt.Errorf("invalid platform %q: expected os/arch[/variant]", platform)
+	}
+
+	spec := &specs.Platform{
+		OS:           strings.ToLower(parts[0]),
+		Architecture: strings.ToLower(parts[1]),
+	}
+	if len(parts) == 3 {
+		spec.Variant = strings.ToLower(parts[2])
+	}
+
+	return spec, nil
+}

act/container/docker_platform_test.go

@@ -0,0 +1,63 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package container
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParsePlatform(t *testing.T) {
+	t.Run("empty input returns nil platform without error", func(t *testing.T) {
+		got, err := parsePlatform("")
+		require.NoError(t, err)
+		assert.Nil(t, got)
+	})
+
+	t.Run("os/arch", func(t *testing.T) {
+		got, err := parsePlatform("linux/amd64")
+		require.NoError(t, err)
+		require.NotNil(t, got)
+		assert.Equal(t, "linux", got.OS)
+		assert.Equal(t, "amd64", got.Architecture)
+		assert.Empty(t, got.Variant)
+	})
+
+	t.Run("os/arch/variant", func(t *testing.T) {
+		got, err := parsePlatform("linux/arm/v7")
+		require.NoError(t, err)
+		require.NotNil(t, got)
+		assert.Equal(t, "linux", got.OS)
+		assert.Equal(t, "arm", got.Architecture)
+		assert.Equal(t, "v7", got.Variant)
+	})
+
+	t.Run("input is lowercased", func(t *testing.T) {
+		got, err := parsePlatform("Linux/AMD64/V8")
+		require.NoError(t, err)
+		require.NotNil(t, got)
+		assert.Equal(t, "linux", got.OS)
+		assert.Equal(t, "amd64", got.Architecture)
+		assert.Equal(t, "v8", got.Variant)
+	})
+
+	for _, bad := range []string{
+		"amd64",
+		"linux",
+		"linux/",
+		"/amd64",
+		"/",
+		"//",
+		"linux/arm/",
+		"linux/arm/v7/extra",
+	} {
+		t.Run("rejects "+bad, func(t *testing.T) {
+			got, err := parsePlatform(bad)
+			require.Error(t, err)
+			assert.Nil(t, got)
+		})
+	}
+}

act/container/docker_pull.go

@@ -8,23 +8,23 @@ package container
 
 import (
 	"context"
-	"encoding/base64"
-	"encoding/json"
 	"fmt"
 	"strings"
 
 	"gitea.com/gitea/runner/act/common"
 
 	"github.com/distribution/reference"
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/api/types/registry"
+	"github.com/moby/moby/api/pkg/authconfig"
+	"github.com/moby/moby/api/types/registry"
+	"github.com/moby/moby/client"
+	specs "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // NewDockerPullExecutor function to create a run executor for the container
 func NewDockerPullExecutor(input NewDockerPullExecutorInput) common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
-		logger.Debugf("%sdocker pull %v", logPrefix, input.Image)
+		logger.Debugf("docker pull %v", input.Image)
 
 		if common.Dryrun(ctx) {
 			return nil
@@ -78,26 +78,29 @@ func NewDockerPullExecutor(input NewDockerPullExecutorInput) common.Executor {
 	}
 }
 
-func getImagePullOptions(ctx context.Context, input NewDockerPullExecutorInput) (types.ImagePullOptions, error) {
-	imagePullOptions := types.ImagePullOptions{
-		Platform: input.Platform,
+func getImagePullOptions(ctx context.Context, input NewDockerPullExecutorInput) (client.ImagePullOptions, error) {
+	imagePullOptions := client.ImagePullOptions{}
+	platform, err := parsePlatform(input.Platform)
+	if err != nil {
+		return imagePullOptions, err
+	}
+	if platform != nil {
+		imagePullOptions.Platforms = []specs.Platform{*platform}
 	}
 	logger := common.Logger(ctx)
 
 	if input.Username != "" && input.Password != "" {
 		logger.Debugf("using authentication for docker pull")
 
-		authConfig := registry.AuthConfig{
+		encodedAuth, err := authconfig.Encode(registry.AuthConfig{
 			Username: input.Username,
 			Password: input.Password,
-		}
-
-		encodedJSON, err := json.Marshal(authConfig)
+		})
 		if err != nil {
 			return imagePullOptions, err
 		}
 
-		imagePullOptions.RegistryAuth = base64.URLEncoding.EncodeToString(encodedJSON)
+		imagePullOptions.RegistryAuth = encodedAuth
 	} else {
 		authConfig, err := LoadDockerAuthConfig(ctx, input.Image)
 		if err != nil {
@@ -108,19 +111,17 @@ func getImagePullOptions(ctx context.Context, input NewDockerPullExecutorInput)
 		}
 		logger.Info("using DockerAuthConfig authentication for docker pull")
 
-		encodedJSON, err := json.Marshal(authConfig)
+		imagePullOptions.RegistryAuth, err = authconfig.Encode(authConfig)
 		if err != nil {
 			return imagePullOptions, err
 		}
-
-		imagePullOptions.RegistryAuth = base64.URLEncoding.EncodeToString(encodedJSON)
 	}
 
 	return imagePullOptions, nil
 }
 
-func cleanImage(ctx context.Context, image string) string {
-	ref, err := reference.ParseAnyReference(image)
+func cleanImage(ctx context.Context, imageName string) string {
+	ref, err := reference.ParseAnyReference(imageName)
 	if err != nil {
 		common.Logger(ctx).Error(err)
 		return ""

act/container/docker_run_test.go

@@ -11,15 +11,16 @@ import (
 	"errors"
 	"io"
 	"net"
+	"os"
+	"path/filepath"
 	"strings"
 	"testing"
 	"time"
 
 	"gitea.com/gitea/runner/act/common"
 
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/api/types/container"
-	"github.com/docker/docker/client"
+	"github.com/moby/moby/api/types/container"
+	mobyclient "github.com/moby/moby/client"
 	"github.com/sirupsen/logrus/hooks/test"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
@@ -27,9 +28,14 @@ import (
 )
 
 func TestDocker(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping integration test")
+	}
 	ctx := context.Background()
 	client, err := GetDockerClient(ctx)
-	assert.NoError(t, err) //nolint:testifylint // pre-existing issue from nektos/act
+	if err != nil {
+		t.Skipf("skipping integration test: %v", err)
+	}
 	defer client.Close()
 
 	dockerBuild := NewDockerBuildExecutor(NewDockerBuildExecutorInput{
@@ -67,33 +73,33 @@ func TestDocker(t *testing.T) {
 }
 
 type mockDockerClient struct {
-	client.APIClient
+	mobyclient.APIClient
 	mock.Mock
 }
 
-func (m *mockDockerClient) ContainerExecCreate(ctx context.Context, id string, opts types.ExecConfig) (types.IDResponse, error) {
+func (m *mockDockerClient) ExecCreate(ctx context.Context, id string, opts mobyclient.ExecCreateOptions) (mobyclient.ExecCreateResult, error) {
 	args := m.Called(ctx, id, opts)
-	return args.Get(0).(types.IDResponse), args.Error(1)
+	return args.Get(0).(mobyclient.ExecCreateResult), args.Error(1)
 }
 
-func (m *mockDockerClient) ContainerExecAttach(ctx context.Context, id string, opts types.ExecStartCheck) (types.HijackedResponse, error) {
+func (m *mockDockerClient) ExecAttach(ctx context.Context, id string, opts mobyclient.ExecAttachOptions) (mobyclient.ExecAttachResult, error) {
 	args := m.Called(ctx, id, opts)
-	return args.Get(0).(types.HijackedResponse), args.Error(1)
+	return args.Get(0).(mobyclient.ExecAttachResult), args.Error(1)
 }
 
-func (m *mockDockerClient) ContainerExecInspect(ctx context.Context, execID string) (types.ContainerExecInspect, error) {
-	args := m.Called(ctx, execID)
-	return args.Get(0).(types.ContainerExecInspect), args.Error(1)
+func (m *mockDockerClient) ExecInspect(ctx context.Context, execID string, opts mobyclient.ExecInspectOptions) (mobyclient.ExecInspectResult, error) {
+	args := m.Called(ctx, execID, opts)
+	return args.Get(0).(mobyclient.ExecInspectResult), args.Error(1)
 }
 
-func (m *mockDockerClient) ContainerWait(ctx context.Context, containerID string, condition container.WaitCondition) (<-chan container.WaitResponse, <-chan error) {
-	args := m.Called(ctx, containerID, condition)
-	return args.Get(0).(<-chan container.WaitResponse), args.Get(1).(<-chan error)
+func (m *mockDockerClient) ContainerWait(ctx context.Context, containerID string, opts mobyclient.ContainerWaitOptions) mobyclient.ContainerWaitResult {
+	args := m.Called(ctx, containerID, opts)
+	return args.Get(0).(mobyclient.ContainerWaitResult)
 }
 
-func (m *mockDockerClient) CopyToContainer(ctx context.Context, id, path string, content io.Reader, options types.CopyToContainerOptions) error {
-	args := m.Called(ctx, id, path, content, options)
-	return args.Error(0)
+func (m *mockDockerClient) CopyToContainer(ctx context.Context, id string, options mobyclient.CopyToContainerOptions) (mobyclient.CopyToContainerResult, error) {
+	args := m.Called(ctx, id, options)
+	return args.Get(0).(mobyclient.CopyToContainerResult), args.Error(1)
 }
 
 type endlessReader struct {
@@ -125,10 +131,12 @@ func TestDockerExecAbort(t *testing.T) {
 	conn.On("Write", mock.AnythingOfType("[]uint8")).Return(1, nil)
 
 	client := &mockDockerClient{}
-	client.On("ContainerExecCreate", ctx, "123", mock.AnythingOfType("types.ExecConfig")).Return(types.IDResponse{ID: "id"}, nil)
-	client.On("ContainerExecAttach", ctx, "id", mock.AnythingOfType("types.ExecStartCheck")).Return(types.HijackedResponse{
-		Conn:   conn,
-		Reader: bufio.NewReader(endlessReader{}),
+	client.On("ExecCreate", ctx, "123", mock.AnythingOfType("client.ExecCreateOptions")).Return(mobyclient.ExecCreateResult{ID: "id"}, nil)
+	client.On("ExecAttach", ctx, "id", mock.AnythingOfType("client.ExecAttachOptions")).Return(mobyclient.ExecAttachResult{
+		HijackedResponse: mobyclient.HijackedResponse{
+			Conn:   conn,
+			Reader: bufio.NewReader(endlessReader{}),
+		},
 	}, nil)
 
 	cr := &containerReference{
@@ -162,12 +170,14 @@ func TestDockerExecFailure(t *testing.T) {
 	conn := &mockConn{}
 
 	client := &mockDockerClient{}
-	client.On("ContainerExecCreate", ctx, "123", mock.AnythingOfType("types.ExecConfig")).Return(types.IDResponse{ID: "id"}, nil)
-	client.On("ContainerExecAttach", ctx, "id", mock.AnythingOfType("types.ExecStartCheck")).Return(types.HijackedResponse{
-		Conn:   conn,
-		Reader: bufio.NewReader(strings.NewReader("output")),
+	client.On("ExecCreate", ctx, "123", mock.AnythingOfType("client.ExecCreateOptions")).Return(mobyclient.ExecCreateResult{ID: "id"}, nil)
+	client.On("ExecAttach", ctx, "id", mock.AnythingOfType("client.ExecAttachOptions")).Return(mobyclient.ExecAttachResult{
+		HijackedResponse: mobyclient.HijackedResponse{
+			Conn:   conn,
+			Reader: bufio.NewReader(strings.NewReader("output")),
+		},
 	}, nil)
-	client.On("ContainerExecInspect", ctx, "id").Return(types.ContainerExecInspect{
+	client.On("ExecInspect", ctx, "id", mobyclient.ExecInspectOptions{}).Return(mobyclient.ExecInspectResult{
 		ExitCode: 1,
 	}, nil)
 
@@ -197,8 +207,11 @@ func TestDockerWaitFailure(t *testing.T) {
 	errCh := make(chan error, 1)
 
 	client := &mockDockerClient{}
-	client.On("ContainerWait", ctx, "123", container.WaitConditionNotRunning).
-		Return((<-chan container.WaitResponse)(statusCh), (<-chan error)(errCh))
+	client.On("ContainerWait", ctx, "123", mobyclient.ContainerWaitOptions{Condition: container.WaitConditionNotRunning}).
+		Return(mobyclient.ContainerWaitResult{
+			Result: (<-chan container.WaitResponse)(statusCh),
+			Error:  (<-chan error)(errCh),
+		})
 
 	cr := &containerReference{
 		id:  "123",
@@ -220,11 +233,13 @@ func TestDockerWaitFailure(t *testing.T) {
 func TestDockerCopyTarStream(t *testing.T) {
 	ctx := context.Background()
 
-	conn := &mockConn{}
-
 	client := &mockDockerClient{}
-	client.On("CopyToContainer", ctx, "123", "/", mock.Anything, mock.AnythingOfType("types.CopyToContainerOptions")).Return(nil)
-	client.On("CopyToContainer", ctx, "123", "/var/run/act", mock.Anything, mock.AnythingOfType("types.CopyToContainerOptions")).Return(nil)
+	client.On("CopyToContainer", ctx, "123", mock.MatchedBy(func(opts mobyclient.CopyToContainerOptions) bool {
+		return opts.DestinationPath == "/" && opts.Content != nil
+	})).Return(mobyclient.CopyToContainerResult{}, nil)
+	client.On("CopyToContainer", ctx, "123", mock.MatchedBy(func(opts mobyclient.CopyToContainerOptions) bool {
+		return opts.DestinationPath == "/var/run/act" && opts.Content != nil
+	})).Return(mobyclient.CopyToContainerResult{}, nil)
 	cr := &containerReference{
 		id:  "123",
 		cli: client,
@@ -235,20 +250,18 @@ func TestDockerCopyTarStream(t *testing.T) {
 
 	_ = cr.CopyTarStream(ctx, "/var/run/act", &bytes.Buffer{})
 
-	conn.AssertExpectations(t)
 	client.AssertExpectations(t)
 }
 
 func TestDockerCopyTarStreamErrorInCopyFiles(t *testing.T) {
 	ctx := context.Background()
 
-	conn := &mockConn{}
-
 	merr := errors.New("Failure")
 
 	client := &mockDockerClient{}
-	client.On("CopyToContainer", ctx, "123", "/", mock.Anything, mock.AnythingOfType("types.CopyToContainerOptions")).Return(merr)
-	client.On("CopyToContainer", ctx, "123", "/", mock.Anything, mock.AnythingOfType("types.CopyToContainerOptions")).Return(merr)
+	client.On("CopyToContainer", ctx, "123", mock.MatchedBy(func(opts mobyclient.CopyToContainerOptions) bool {
+		return opts.DestinationPath == "/" && opts.Content != nil
+	})).Return(mobyclient.CopyToContainerResult{}, merr)
 	cr := &containerReference{
 		id:  "123",
 		cli: client,
@@ -260,20 +273,21 @@ func TestDockerCopyTarStreamErrorInCopyFiles(t *testing.T) {
 	err := cr.CopyTarStream(ctx, "/var/run/act", &bytes.Buffer{})
 	assert.ErrorIs(t, err, merr) //nolint:testifylint // pre-existing issue from nektos/act
 
-	conn.AssertExpectations(t)
 	client.AssertExpectations(t)
 }
 
 func TestDockerCopyTarStreamErrorInMkdir(t *testing.T) {
 	ctx := context.Background()
 
-	conn := &mockConn{}
-
 	merr := errors.New("Failure")
 
 	client := &mockDockerClient{}
-	client.On("CopyToContainer", ctx, "123", "/", mock.Anything, mock.AnythingOfType("types.CopyToContainerOptions")).Return(nil)
-	client.On("CopyToContainer", ctx, "123", "/var/run/act", mock.Anything, mock.AnythingOfType("types.CopyToContainerOptions")).Return(merr)
+	client.On("CopyToContainer", ctx, "123", mock.MatchedBy(func(opts mobyclient.CopyToContainerOptions) bool {
+		return opts.DestinationPath == "/" && opts.Content != nil
+	})).Return(mobyclient.CopyToContainerResult{}, nil)
+	client.On("CopyToContainer", ctx, "123", mock.MatchedBy(func(opts mobyclient.CopyToContainerOptions) bool {
+		return opts.DestinationPath == "/var/run/act" && opts.Content != nil
+	})).Return(mobyclient.CopyToContainerResult{}, merr)
 	cr := &containerReference{
 		id:  "123",
 		cli: client,
@@ -285,7 +299,6 @@ func TestDockerCopyTarStreamErrorInMkdir(t *testing.T) {
 	err := cr.CopyTarStream(ctx, "/var/run/act", &bytes.Buffer{})
 	assert.ErrorIs(t, err, merr) //nolint:testifylint // pre-existing issue from nektos/act
 
-	conn.AssertExpectations(t)
 	client.AssertExpectations(t)
 }
 
@@ -364,3 +377,40 @@ func TestCheckVolumes(t *testing.T) {
 		})
 	}
 }
+
+func TestCheckVolumesRejectsEscapingHostPaths(t *testing.T) {
+	logger, _ := test.NewNullLogger()
+	ctx := common.WithLogger(context.Background(), logger)
+
+	base := t.TempDir()
+	allowed := filepath.Join(base, "allowed")
+	denied := filepath.Join(base, "denied")
+	require.NoError(t, os.MkdirAll(allowed, 0o700))
+	require.NoError(t, os.MkdirAll(denied, 0o700))
+
+	cr := &containerReference{
+		input: &NewContainerInput{
+			ValidVolumes: []string{filepath.Join(allowed, "**")},
+		},
+	}
+
+	escapingPath := allowed + string(filepath.Separator) + ".." + string(filepath.Separator) + "denied"
+	_, hostConf := cr.sanitizeConfig(ctx, &container.Config{}, &container.HostConfig{
+		Binds: []string{escapingPath + ":/mnt"},
+	})
+	assert.Empty(t, hostConf.Binds)
+
+	linkPath := filepath.Join(allowed, "link")
+	if err := os.Symlink(denied, linkPath); err != nil {
+		t.Skipf("cannot create symlink: %v", err)
+	}
+	_, hostConf = cr.sanitizeConfig(ctx, &container.Config{}, &container.HostConfig{
+		Binds: []string{linkPath + ":/mnt"},
+	})
+	assert.Empty(t, hostConf.Binds)
+
+	_, hostConf = cr.sanitizeConfig(ctx, &container.Config{}, &container.HostConfig{
+		Binds: []string{filepath.Join(linkPath, "missing") + ":/mnt"},
+	})
+	assert.Empty(t, hostConf.Binds)
+}

act/container/docker_stub.go

@@ -12,7 +12,7 @@ import (
 
 	"gitea.com/gitea/runner/act/common"
 
-	"github.com/docker/docker/api/types"
+	"github.com/moby/moby/api/types/system"
 	"github.com/pkg/errors"
 )
 
@@ -51,8 +51,8 @@ func RunnerArch(ctx context.Context) string {
 	return runtime.GOOS
 }
 
-func GetHostInfo(ctx context.Context) (info types.Info, err error) {
-	return types.Info{}, nil
+func GetHostInfo(ctx context.Context) (info system.Info, err error) {
+	return system.Info{}, nil
 }
 
 func NewDockerVolumeRemoveExecutor(volume string, force bool) common.Executor {

act/container/docker_volume.go

@@ -11,8 +11,7 @@ import (
 
 	"gitea.com/gitea/runner/act/common"
 
-	"github.com/docker/docker/api/types/filters"
-	"github.com/docker/docker/api/types/volume"
+	"github.com/moby/moby/client"
 )
 
 func NewDockerVolumeRemoveExecutor(volumeName string, force bool) common.Executor {
@@ -23,12 +22,12 @@ func NewDockerVolumeRemoveExecutor(volumeName string, force bool) common.Executo
 		}
 		defer cli.Close()
 
-		list, err := cli.VolumeList(ctx, volume.ListOptions{Filters: filters.NewArgs()})
+		list, err := cli.VolumeList(ctx, client.VolumeListOptions{})
 		if err != nil {
 			return err
 		}
 
-		for _, vol := range list.Volumes {
+		for _, vol := range list.Items {
 			if vol.Name == volumeName {
 				return removeExecutor(volumeName, force)(ctx)
 			}
@@ -42,7 +41,7 @@ func NewDockerVolumeRemoveExecutor(volumeName string, force bool) common.Executo
 func removeExecutor(volume string, force bool) common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
-		logger.Debugf("%sdocker volume rm %s", logPrefix, volume)
+		logger.Debugf("docker volume rm %s", volume)
 
 		if common.Dryrun(ctx) {
 			return nil
@@ -54,6 +53,7 @@ func removeExecutor(volume string, force bool) common.Executor {
 		}
 		defer cli.Close()
 
-		return cli.VolumeRemove(ctx, volume, force)
+		_, err = cli.VolumeRemove(ctx, volume, client.VolumeRemoveOptions{Force: force})
+		return err
 	}
 }

act/container/host_environment.go

@@ -19,6 +19,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"time"
 
 	"gitea.com/gitea/runner/act/common"
@@ -36,12 +37,13 @@ type HostEnvironment struct {
 	TmpDir    string
 	ToolCache string
 	Workdir   string
-	// BindWorkdir is true when the app runner mounts the workspace on the host and
-	// deletes the task directory after the job; host teardown must not remove Workdir.
-	BindWorkdir bool
-	ActPath     string
-	CleanUp     func()
-	StdOut      io.Writer
+	// CleanWorkdir means teardown owns Workdir and may delete it. Leave false
+	// when Workdir points at a caller-owned checkout (e.g. `act` local mode).
+	CleanWorkdir bool
+	ActPath      string
+	CleanUp      func()
+	StdOut       io.Writer
+	AllocatePTY  bool // allocate a pseudo-TTY for each step's process
 
 	mu          sync.Mutex
 	runningPIDs map[int]struct{}
@@ -200,12 +202,12 @@ func (e *HostEnvironment) Start(_ bool) common.Executor {
 
 type ptyWriter struct {
 	Out       io.Writer
-	AutoStop  bool
+	AutoStop  atomic.Bool
 	dirtyLine bool
 }
 
 func (w *ptyWriter) Write(buf []byte) (int, error) {
-	if w.AutoStop && len(buf) > 0 && buf[len(buf)-1] == 4 {
+	if w.AutoStop.Load() && len(buf) > 0 && buf[len(buf)-1] == 4 {
 		n, err := w.Out.Write(buf[:len(buf)-1])
 		if err != nil {
 			return n, err
@@ -335,21 +337,20 @@ func (e *HostEnvironment) exec(ctx context.Context, command []string, cmdline st
 			tty.Close()
 		}
 	}()
-	if true /* allocate Terminal */ {
+	if e.AllocatePTY {
 		var err error
 		ppty, tty, err = setupPty(cmd, cmdline)
 		if err != nil {
 			common.Logger(ctx).Debugf("Failed to setup Pty %v\n", err.Error())
 		}
 	}
-	writer := &ptyWriter{Out: e.StdOut}
-	logctx, finishLog := context.WithCancel(context.Background())
+	var writer *ptyWriter
+	var logctx context.Context
 	if ppty != nil {
+		writer = &ptyWriter{Out: e.StdOut}
+		var finishLog context.CancelFunc
+		logctx, finishLog = context.WithCancel(context.Background())
 		go copyPtyOutput(writer, ppty, finishLog)
-	} else {
-		finishLog()
-	}
-	if ppty != nil {
 		go writeKeepAlive(ppty)
 	}
 	// Split Start/Wait so the PID can be registered before the process can exit;
@@ -379,14 +380,11 @@ func (e *HostEnvironment) exec(ctx context.Context, command []string, cmdline st
 		return err
 	}
 	if tty != nil {
-		writer.AutoStop = true
+		writer.AutoStop.Store(true)
 		if _, err := tty.WriteString("\x04"); err != nil {
 			common.Logger(ctx).Debug("Failed to write EOT")
 		}
-	}
-	<-logctx.Done()
-
-	if ppty != nil {
+		<-logctx.Done()
 		ppty.Close()
 		ppty = nil
 	}
@@ -485,7 +483,7 @@ func (e *HostEnvironment) Remove() common.Executor {
 			logger.Warnf("failed to remove host misc state %s: %v", e.Path, err)
 			errs = append(errs, err)
 		}
-		if !e.BindWorkdir && e.Workdir != "" {
+		if e.CleanWorkdir {
 			if err := removePathWithRetry(ctx, e.Workdir); err != nil {
 				logger.Warnf("failed to remove host workspace %s: %v", e.Workdir, err)
 				errs = append(errs, err)

act/container/host_environment_test.go

@@ -6,12 +6,14 @@ package container
 
 import (
 	"archive/tar"
+	"bytes"
 	"context"
 	"io"
 	"os"
 	"path"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"testing"
 
 	"gitea.com/gitea/runner/act/common"
@@ -100,7 +102,46 @@ func TestHostEnvironmentExecExitCode(t *testing.T) {
 	assert.Equal(t, "Process completed with exit code 3.", err.Error())
 }
 
-func TestHostEnvironmentRemoveCleansWorkdir(t *testing.T) {
+func TestHostEnvironmentAllocatePTY(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		t.Skip("uses POSIX shell")
+	}
+	for _, tc := range []struct {
+		name     string
+		allocPTY bool
+		expect   string
+	}{
+		{name: "off", allocPTY: false, expect: "NOTTY"},
+		{name: "on", allocPTY: true, expect: "TTY"},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			dir := t.TempDir()
+			buf := &bytes.Buffer{}
+			e := &HostEnvironment{
+				Path:        filepath.Join(dir, "path"),
+				TmpDir:      filepath.Join(dir, "tmp"),
+				ToolCache:   filepath.Join(dir, "tool_cache"),
+				ActPath:     filepath.Join(dir, "act_path"),
+				StdOut:      buf,
+				Workdir:     filepath.Join(dir, "path"),
+				AllocatePTY: tc.allocPTY,
+			}
+			for _, p := range []string{e.Path, e.TmpDir, e.ToolCache, e.ActPath} {
+				require.NoError(t, os.MkdirAll(p, 0o700))
+			}
+
+			err := e.Exec(
+				[]string{"sh", "-c", "[ -t 1 ] && printf TTY || printf NOTTY"},
+				map[string]string{"PATH": os.Getenv("PATH")}, "", "",
+			)(context.Background())
+			require.NoError(t, err)
+			got := strings.TrimSpace(strings.ReplaceAll(buf.String(), "\r", ""))
+			assert.Equal(t, tc.expect, got)
+		})
+	}
+}
+
+func TestHostEnvironmentRemovePreservesWorkdirByDefault(t *testing.T) {
 	logger := logrus.New()
 	ctx := common.WithLogger(context.Background(), logrus.NewEntry(logger))
 	base := t.TempDir()
@@ -111,9 +152,8 @@ func TestHostEnvironmentRemoveCleansWorkdir(t *testing.T) {
 	require.NoError(t, os.MkdirAll(workdir, 0o700))
 
 	e := &HostEnvironment{
-		Path:        path,
-		Workdir:     workdir,
-		BindWorkdir: false,
+		Path:    path,
+		Workdir: workdir,
 		CleanUp: func() {
 			_ = os.RemoveAll(miscRoot)
 		},
@@ -121,10 +161,10 @@ func TestHostEnvironmentRemoveCleansWorkdir(t *testing.T) {
 	}
 	require.NoError(t, e.Remove()(ctx))
 	_, err := os.Stat(workdir)
-	assert.ErrorIs(t, err, os.ErrNotExist)
+	require.NoError(t, err)
 }
 
-func TestHostEnvironmentRemoveSkipsWorkdirWhenBindWorkdir(t *testing.T) {
+func TestHostEnvironmentRemoveCleansWorkdirWhenOwned(t *testing.T) {
 	logger := logrus.New()
 	ctx := common.WithLogger(context.Background(), logrus.NewEntry(logger))
 	base := t.TempDir()
@@ -135,9 +175,9 @@ func TestHostEnvironmentRemoveSkipsWorkdirWhenBindWorkdir(t *testing.T) {
 	require.NoError(t, os.MkdirAll(workdir, 0o700))
 
 	e := &HostEnvironment{
-		Path:        path,
-		Workdir:     workdir,
-		BindWorkdir: true,
+		Path:         path,
+		Workdir:      workdir,
+		CleanWorkdir: true,
 		CleanUp: func() {
 			_ = os.RemoveAll(miscRoot)
 		},
@@ -145,5 +185,5 @@ func TestHostEnvironmentRemoveSkipsWorkdirWhenBindWorkdir(t *testing.T) {
 	}
 	require.NoError(t, e.Remove()(ctx))
 	_, err := os.Stat(workdir)
-	require.NoError(t, err)
+	assert.ErrorIs(t, err, os.ErrNotExist)
 }

act/container/parse_env_file.go

@@ -29,6 +29,8 @@ func parseEnvFile(e Container, srcPath string, env *map[string]string) common.Ex
 			return err
 		}
 		s := bufio.NewScanner(reader)
+		// Default 64 KiB max token size is too small for realistic env-file lines; allow up to 16 MiB.
+		s.Buffer(make([]byte, 0, 64*1024), 16*1024*1024)
 		for s.Scan() {
 			line := s.Text()
 			singleLineEnv := strings.Index(line, "=")
@@ -50,6 +52,9 @@ func parseEnvFile(e Container, srcPath string, env *map[string]string) common.Ex
 					}
 					multiLineEnvContent += content
 				}
+				if err := s.Err(); err != nil {
+					return fmt.Errorf("reading env file: %w", err)
+				}
 				if !delimiterFound {
 					return fmt.Errorf("invalid format delimiter '%v' not found before end of file", multiLineEnvDelimiter)
 				}
@@ -58,6 +63,9 @@ func parseEnvFile(e Container, srcPath string, env *map[string]string) common.Ex
 				return fmt.Errorf("invalid format '%v', expected a line with '=' or '<<'", line)
 			}
 		}
+		if err := s.Err(); err != nil {
+			return fmt.Errorf("reading env file: %w", err)
+		}
 		env = &localEnv
 		return nil
 	}

act/container/parse_env_file_test.go

@@ -0,0 +1,75 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package container
+
+import (
+	"bufio"
+	"context"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func newTestHostEnv(t *testing.T) (*HostEnvironment, string) {
+	t.Helper()
+	e := &HostEnvironment{Path: t.TempDir()}
+	return e, filepath.Join(e.Path, "envfile")
+}
+
+func TestParseEnvFileSingleLine(t *testing.T) {
+	e, envPath := newTestHostEnv(t)
+	require.NoError(t, os.WriteFile(envPath, []byte("FOO=bar\nBAZ=qux\n"), 0o600))
+
+	env := map[string]string{}
+	require.NoError(t, parseEnvFile(e, envPath, &env)(context.Background()))
+	assert.Equal(t, "bar", env["FOO"])
+	assert.Equal(t, "qux", env["BAZ"])
+}
+
+func TestParseEnvFileMultiLine(t *testing.T) {
+	e, envPath := newTestHostEnv(t)
+	content := "FOO<<EOF\nline1\nline2\nEOF\n"
+	require.NoError(t, os.WriteFile(envPath, []byte(content), 0o600))
+
+	env := map[string]string{}
+	require.NoError(t, parseEnvFile(e, envPath, &env)(context.Background()))
+	assert.Equal(t, "line1\nline2", env["FOO"])
+}
+
+func TestParseEnvFileLargeValueWithinLimit(t *testing.T) {
+	e, envPath := newTestHostEnv(t)
+	big := strings.Repeat("x", 2*1024*1024)
+	content := "FOO<<EOF\n" + big + "\nEOF\n"
+	require.NoError(t, os.WriteFile(envPath, []byte(content), 0o600))
+
+	env := map[string]string{}
+	require.NoError(t, parseEnvFile(e, envPath, &env)(context.Background()))
+	assert.Equal(t, big, env["FOO"])
+}
+
+func TestParseEnvFileLineExceedsBufferReportsScannerError(t *testing.T) {
+	e, envPath := newTestHostEnv(t)
+	tooBig := strings.Repeat("x", 17*1024*1024) // over the 16 MiB cap
+	content := "FOO<<EOF\n" + tooBig + "\nEOF\n"
+	require.NoError(t, os.WriteFile(envPath, []byte(content), 0o600))
+
+	env := map[string]string{}
+	err := parseEnvFile(e, envPath, &env)(context.Background())
+	require.ErrorIs(t, err, bufio.ErrTooLong)
+	assert.Contains(t, err.Error(), "reading env file")
+}
+
+func TestParseEnvFileMissingDelimiter(t *testing.T) {
+	e, envPath := newTestHostEnv(t)
+	require.NoError(t, os.WriteFile(envPath, []byte("FOO<<EOF\nline1\nline2\n"), 0o600))
+
+	env := map[string]string{}
+	err := parseEnvFile(e, envPath, &env)(context.Background())
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "delimiter")
+}

act/exprparser/interpreter.go

@@ -251,7 +251,7 @@ func (impl *interperterImpl) evaluateArrayDeref(arrayDerefNode *actionlint.Array
 
 func (impl *interperterImpl) getPropertyValue(left reflect.Value, property string) (value any, err error) {
 	switch left.Kind() {
-	case reflect.Ptr:
+	case reflect.Pointer:
 		return impl.getPropertyValue(left.Elem(), property)
 
 	case reflect.Struct:
@@ -321,7 +321,7 @@ func (impl *interperterImpl) getPropertyValue(left reflect.Value, property strin
 }
 
 func (impl *interperterImpl) getMapValue(value reflect.Value) (any, error) {
-	if value.Kind() == reflect.Ptr {
+	if value.Kind() == reflect.Pointer {
 		return impl.getMapValue(value.Elem())
 	}
 

act/filecollector/file_collector.go

@@ -73,10 +73,16 @@ func (cc *CopyCollector) WriteFile(fpath string, fi fs.FileInfo, linkName string
 	if err := os.MkdirAll(filepath.Dir(fdestpath), 0o777); err != nil {
 		return err
 	}
+	// Remove any existing destination so we can overwrite read-only files
+	// (e.g. git pack files at mode 0444 trip EACCES on macOS and "Access is
+	// denied" on Windows when reopened with O_WRONLY) and so os.Symlink does
+	// not fail with EEXIST. os.Remove clears the Windows read-only attribute
+	// internally; on Unix unlink only needs write permission on the parent.
+	_ = os.Remove(fdestpath)
 	if f == nil {
 		return os.Symlink(linkName, fdestpath)
 	}
-	df, err := os.OpenFile(fdestpath, os.O_CREATE|os.O_WRONLY, fi.Mode())
+	df, err := os.OpenFile(fdestpath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, fi.Mode())
 	if err != nil {
 		return err
 	}

act/filecollector/file_collector_test.go

@@ -8,7 +8,9 @@ import (
 	"archive/tar"
 	"context"
 	"io"
+	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"testing"
 
@@ -20,6 +22,7 @@ import (
 	"github.com/go-git/go-git/v5/plumbing/format/index"
 	"github.com/go-git/go-git/v5/storage/filesystem"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 type memoryFs struct {
@@ -174,3 +177,47 @@ func TestSymlinks(t *testing.T) {
 	assert.Equal(t, ".env", files["test.env"].Linkname)
 	assert.ErrorIs(t, err, io.EOF, "tar must be read cleanly to EOF")
 }
+
+// Regression for https://gitea.com/gitea/runner/issues/876 and /941:
+// re-copying an action directory must overwrite a pre-existing read-only
+// file (e.g. a git pack .idx at mode 0444) instead of failing with EACCES
+// on macOS or "Access is denied" on Windows.
+func TestCopyCollectorWriteFileOverwritesReadOnlyFile(t *testing.T) {
+	dst := t.TempDir()
+	target := filepath.Join(dst, "sub", "pack.idx")
+	require.NoError(t, os.MkdirAll(filepath.Dir(target), 0o755))
+	require.NoError(t, os.WriteFile(target, []byte("old"), 0o444))
+
+	src := filepath.Join(t.TempDir(), "pack.idx")
+	require.NoError(t, os.WriteFile(src, []byte("new"), 0o444))
+	fi, err := os.Stat(src)
+	require.NoError(t, err)
+
+	cc := &CopyCollector{DstDir: dst}
+	require.NoError(t, cc.WriteFile("sub/pack.idx", fi, "", strings.NewReader("new")))
+
+	got, err := os.ReadFile(target)
+	require.NoError(t, err)
+	assert.Equal(t, "new", string(got))
+}
+
+// Without the destination removal, os.Symlink fails with EEXIST when the
+// path already holds a regular file from an earlier copy of the action.
+func TestCopyCollectorWriteFileOverwritesFileWithSymlink(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		t.Skip("creating symlinks requires elevated privileges on Windows")
+	}
+	dst := t.TempDir()
+	target := filepath.Join(dst, "link")
+	require.NoError(t, os.WriteFile(target, []byte("stale"), 0o644))
+
+	fi, err := os.Lstat(target)
+	require.NoError(t, err)
+
+	cc := &CopyCollector{DstDir: dst}
+	require.NoError(t, cc.WriteFile("link", fi, "target", nil))
+
+	resolved, err := os.Readlink(target)
+	require.NoError(t, err)
+	assert.Equal(t, "target", resolved)
+}

act/lookpath/env.go

@@ -4,18 +4,6 @@
 
 package lookpath
 
-import "os"
-
 type Env interface {
 	Getenv(name string) string
 }
-
-type defaultEnv struct{}
-
-func (*defaultEnv) Getenv(name string) string {
-	return os.Getenv(name)
-}
-
-func LookPath(file string) (string, error) {
-	return LookPath2(file, &defaultEnv{})
-}

act/model/testdata/container-volumes/push.yml

@@ -5,7 +5,7 @@ jobs:
   with-volumes:
     runs-on: ubuntu-latest
     container:
-      image: node:16-buster-slim
+      image: node:24-bookworm-slim
       volumes:
         - my_docker_volume:/path/to/volume
         - /path/to/nonexist/directory

act/runner/action.go

@@ -19,6 +19,7 @@ import (
 	"strings"
 
 	"gitea.com/gitea/runner/act/common"
+	"gitea.com/gitea/runner/act/common/git"
 	"gitea.com/gitea/runner/act/container"
 	"gitea.com/gitea/runner/act/model"
 
@@ -44,6 +45,11 @@ type runAction func(step actionStep, actionDir string, remoteAction *remoteActio
 //go:embed res/trampoline.js
 var trampoline embed.FS
 
+var (
+	ContainerImageExistsLocally     = container.ImageExistsLocally
+	ContainerNewDockerBuildExecutor = container.NewDockerBuildExecutor
+)
+
 func readActionImpl(ctx context.Context, step *model.Step, actionDir, actionPath string, readFile actionYamlReader, writeFile fileWriter) (*model.Action, error) {
 	logger := common.Logger(ctx)
 	allErrors := []error{}
@@ -148,6 +154,8 @@ func maybeCopyToActionDir(ctx context.Context, step actionStep, actionDir, actio
 		return rc.JobContainer.CopyTarStream(ctx, containerActionDirCopy, ta)
 	}
 
+	defer git.AcquireCloneLock(actionDir)()
+
 	if err := removeGitIgnore(ctx, actionDir); err != nil {
 		return err
 	}
@@ -197,7 +205,7 @@ func runActionImpl(step actionStep, actionDir string, remoteAction *remoteAction
 			if remoteAction == nil {
 				location = containerActionDir
 			}
-			return execAsDocker(ctx, step, actionName, location, remoteAction == nil)
+			return execAsDocker(ctx, step, actionName, actionDir, location, remoteAction == nil)
 		case x.IsComposite():
 			if err := maybeCopyToActionDir(ctx, step, actionDir, actionPath, containerActionDir); err != nil {
 				return err
@@ -265,7 +273,7 @@ func removeGitIgnore(ctx context.Context, directory string) error {
 }
 
 // TODO: break out parts of function to reduce complexicity
-func execAsDocker(ctx context.Context, step actionStep, actionName, basedir string, localAction bool) error {
+func execAsDocker(ctx context.Context, step actionStep, actionName, actionDir, basedir string, localAction bool) error {
 	logger := common.Logger(ctx)
 	rc := step.getRunContext()
 	action := step.getActionModel()
@@ -284,12 +292,12 @@ func execAsDocker(ctx context.Context, step actionStep, actionName, basedir stri
 		image = strings.ToLower(image)
 		contextDir, fileName := filepath.Split(filepath.Join(basedir, action.Runs.Image))
 
-		anyArchExists, err := container.ImageExistsLocally(ctx, image, "any")
+		anyArchExists, err := ContainerImageExistsLocally(ctx, image, "any")
 		if err != nil {
 			return err
 		}
 
-		correctArchExists, err := container.ImageExistsLocally(ctx, image, rc.Config.ContainerArchitecture)
+		correctArchExists, err := ContainerImageExistsLocally(ctx, image, rc.Config.ContainerArchitecture)
 		if err != nil {
 			return err
 		}
@@ -321,13 +329,21 @@ func execAsDocker(ctx context.Context, step actionStep, actionName, basedir stri
 				}
 				defer buildContext.Close()
 			}
-			prepImage = container.NewDockerBuildExecutor(container.NewDockerBuildExecutorInput{
+			prepImage = ContainerNewDockerBuildExecutor(container.NewDockerBuildExecutorInput{
 				ContextDir:   contextDir,
 				Dockerfile:   fileName,
 				ImageTag:     image,
 				BuildContext: buildContext,
 				Platform:     rc.Config.ContainerArchitecture,
 			})
+			if buildContext == nil {
+				// Held across the whole build: the daemon drains contextDir lazily.
+				inner := prepImage
+				prepImage = func(ctx context.Context) error {
+					defer git.AcquireCloneLock(actionDir)()
+					return inner(ctx)
+				}
+			}
 		} else {
 			logger.Debugf("image '%s' for architecture '%s' already exists", image, rc.Config.ContainerArchitecture)
 		}
@@ -440,6 +456,7 @@ func newStepContainer(ctx context.Context, step step, image string, cmd, entrypo
 		Options:      rc.Config.ContainerOptions,
 		AutoRemove:   rc.Config.AutoRemove,
 		ValidVolumes: rc.Config.ValidVolumes,
+		AllocatePTY:  rc.Config.AllocatePTY,
 	})
 	return stepContainer
 }

act/runner/action_cache_offline_mode.go

@@ -1,45 +0,0 @@
-// Copyright 2024 The Gitea Authors. All rights reserved.
-// Copyright 2024 The nektos/act Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package runner
-
-import (
-	"context"
-	"io"
-	"path"
-
-	git "github.com/go-git/go-git/v5"
-	"github.com/go-git/go-git/v5/plumbing"
-)
-
-type GoGitActionCacheOfflineMode struct {
-	Parent GoGitActionCache
-}
-
-func (c GoGitActionCacheOfflineMode) Fetch(ctx context.Context, cacheDir, url, ref, token string) (string, error) {
-	sha, fetchErr := c.Parent.Fetch(ctx, cacheDir, url, ref, token)
-	gitPath := path.Join(c.Parent.Path, safeFilename(cacheDir)+".git")
-	gogitrepo, err := git.PlainOpen(gitPath)
-	if err != nil {
-		return "", fetchErr
-	}
-	refName := plumbing.ReferenceName("refs/action-cache-offline/" + ref)
-	r, err := gogitrepo.Reference(refName, true)
-	if fetchErr == nil {
-		if err != nil || sha != r.Hash().String() {
-			if err == nil {
-				refName = r.Name()
-			}
-			ref := plumbing.NewHashReference(refName, plumbing.NewHash(sha))
-			_ = gogitrepo.Storer.SetReference(ref)
-		}
-	} else if err == nil {
-		return r.Hash().String(), nil
-	}
-	return sha, fetchErr
-}
-
-func (c GoGitActionCacheOfflineMode) GetTarArchive(ctx context.Context, cacheDir, sha, includePrefix string) (io.ReadCloser, error) {
-	return c.Parent.GetTarArchive(ctx, cacheDir, sha, includePrefix)
-}

act/runner/action_test.go

@@ -9,8 +9,13 @@ import (
 	"io"
 	"io/fs"
 	"strings"
+	"sync"
 	"testing"
+	"time"
 
+	"gitea.com/gitea/runner/act/common"
+	"gitea.com/gitea/runner/act/common/git"
+	"gitea.com/gitea/runner/act/container"
 	"gitea.com/gitea/runner/act/model"
 
 	"github.com/stretchr/testify/assert"
@@ -252,3 +257,153 @@ func TestActionRunner(t *testing.T) {
 		})
 	}
 }
+
+func TestMaybeCopyToActionDirHoldsCloneLock(t *testing.T) {
+	ctx := context.Background()
+
+	actionDir := t.TempDir()
+
+	releaseCopy := make(chan struct{})
+	release := sync.OnceFunc(func() { close(releaseCopy) })
+	defer release()
+
+	copyEntered := make(chan struct{})
+
+	cm := &containerMock{}
+	cm.On("CopyDir", "/var/run/act/actions/", actionDir+"/", false).Return(func(ctx context.Context) error {
+		close(copyEntered)
+		<-releaseCopy
+		return nil
+	})
+
+	step := &stepActionRemote{
+		Step: &model.Step{Uses: "remote/action@v1"},
+		RunContext: &RunContext{
+			Config:       &Config{},
+			JobContainer: cm,
+		},
+	}
+
+	copyDone := make(chan error, 1)
+	go func() {
+		copyDone <- maybeCopyToActionDir(ctx, step, actionDir, "", "/var/run/act/actions/")
+	}()
+
+	select {
+	case <-copyEntered:
+	case err := <-copyDone:
+		t.Fatalf("maybeCopyToActionDir returned before CopyDir was entered: %v", err)
+	case <-time.After(time.Second):
+		t.Fatal("CopyDir was not entered within 1 second")
+	}
+
+	peerAcquired := make(chan struct{})
+	go func() {
+		unlock := git.AcquireCloneLock(actionDir)
+		close(peerAcquired)
+		unlock()
+	}()
+
+	select {
+	case <-peerAcquired:
+		t.Fatal("peer AcquireCloneLock returned while CopyDir was running")
+	case <-time.After(50 * time.Millisecond):
+	}
+
+	release()
+
+	select {
+	case err := <-copyDone:
+		if err != nil {
+			t.Fatalf("maybeCopyToActionDir returned error: %v", err)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("maybeCopyToActionDir did not return after CopyDir was unblocked")
+	}
+
+	select {
+	case <-peerAcquired:
+	case <-time.After(time.Second):
+		t.Fatal("peer AcquireCloneLock did not proceed after lock released")
+	}
+
+	cm.AssertExpectations(t)
+}
+
+func TestExecAsDockerHoldsCloneLockForRemoteUncached(t *testing.T) {
+	actionDir := t.TempDir()
+
+	unlockOnce := sync.OnceFunc(git.AcquireCloneLock(actionDir))
+	defer unlockOnce()
+
+	innerEntered := make(chan struct{})
+	releaseInner := make(chan struct{})
+	releaseOnce := sync.OnceFunc(func() { close(releaseInner) })
+	defer releaseOnce()
+
+	origImageExists := ContainerImageExistsLocally
+	ContainerImageExistsLocally = func(_ context.Context, _, _ string) (bool, error) {
+		return false, nil
+	}
+	defer func() { ContainerImageExistsLocally = origImageExists }()
+
+	origBuildExec := ContainerNewDockerBuildExecutor
+	ContainerNewDockerBuildExecutor = func(_ container.NewDockerBuildExecutorInput) common.Executor {
+		return func(_ context.Context) error {
+			close(innerEntered)
+			<-releaseInner
+			return nil
+		}
+	}
+	defer func() { ContainerNewDockerBuildExecutor = origBuildExec }()
+
+	step := &stepActionRemote{
+		Step: &model.Step{ID: "1", Uses: "remote/action@v1", With: map[string]string{}},
+		RunContext: &RunContext{
+			Config: &Config{},
+			Run: &model.Run{
+				JobID: "1",
+				Workflow: &model.Workflow{
+					Name: "wf",
+					Jobs: map[string]*model.Job{"1": {}},
+				},
+			},
+			JobContainer: &containerMock{},
+		},
+		action: &model.Action{Runs: model.ActionRuns{Using: "docker", Image: "Dockerfile"}},
+		env:    map[string]string{},
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	done := make(chan error, 1)
+	go func() { done <- execAsDocker(ctx, step, "test-action", actionDir, actionDir, false) }()
+
+	select {
+	case <-innerEntered:
+		t.Fatal("inner build executor ran before clone lock was released")
+	case err := <-done:
+		t.Fatalf("execAsDocker returned before inner was entered: %v", err)
+	case <-time.After(50 * time.Millisecond):
+	}
+
+	unlockOnce()
+
+	select {
+	case <-innerEntered:
+	case err := <-done:
+		t.Fatalf("execAsDocker returned without entering inner: %v", err)
+	case <-time.After(time.Second):
+		t.Fatal("inner build executor not entered after lock released")
+	}
+
+	cancel()
+	releaseOnce()
+
+	select {
+	case <-done:
+	case <-time.After(time.Second):
+		t.Fatal("execAsDocker did not return after inner was released and ctx was canceled")
+	}
+}

act/runner/command.go

@@ -120,7 +120,7 @@ func (rc *RunContext) setOutput(ctx context.Context, kvPairs map[string]string,
 
 	result, ok := rc.StepResults[stepID]
 	if !ok {
-		logger.Infof("  \U00002757  no outputs used step '%s'", stepID)
+		logger.Infof("No outputs registered for step '%s'", stepID)
 		return
 	}
 

act/runner/reusable_workflow.go

@@ -7,15 +7,11 @@ package runner
 import (
 	"archive/tar"
 	"context"
-	"errors"
 	"fmt"
-	"io/fs"
 	"net/url"
-	"os"
 	"path"
 	"regexp"
 	"strings"
-	"sync"
 
 	"gitea.com/gitea/runner/act/common"
 	"gitea.com/gitea/runner/act/common/git"
@@ -51,7 +47,7 @@ func newLocalReusableWorkflowExecutor(rc *RunContext) common.Executor {
 	token := rc.Config.GetToken()
 
 	return common.NewPipelineExecutor(
-		newMutexExecutor(cloneIfRequired(rc, *remoteReusableWorkflow, workflowDir, token)),
+		cloneRemoteReusableWorkflow(rc, remoteReusableWorkflow.CloneURL(), remoteReusableWorkflow.Ref, workflowDir, token),
 		newReusableWorkflowExecutor(rc, workflowDir, remoteReusableWorkflow.FilePath()),
 	)
 }
@@ -85,7 +81,7 @@ func newRemoteReusableWorkflowExecutor(rc *RunContext) common.Executor {
 	token := getGitCloneToken(rc.Config, remoteReusableWorkflow.CloneURL())
 
 	return common.NewPipelineExecutor(
-		newMutexExecutor(cloneIfRequired(rc, *remoteReusableWorkflow, workflowDir, token)),
+		cloneRemoteReusableWorkflow(rc, remoteReusableWorkflow.CloneURL(), remoteReusableWorkflow.Ref, workflowDir, token),
 		newReusableWorkflowExecutor(rc, workflowDir, remoteReusableWorkflow.FilePath()),
 	)
 }
@@ -125,46 +121,37 @@ func newActionCacheReusableWorkflowExecutor(rc *RunContext, filename string, rem
 	}
 }
 
-var executorLock sync.Mutex
-
-func newMutexExecutor(executor common.Executor) common.Executor {
+// cloneRemoteReusableWorkflow always invokes the clone executor — moving refs
+// (branches, tags) must be re-resolved each run, matching GitHub Actions.
+//
+// Callers must not change remoteReusableWorkflow.URL, because:
+//  1. Gitea doesn't support specifying GithubContext.ServerURL by the GITHUB_SERVER_URL env
+//  2. Gitea has already full URL with rc.Config.GitHubInstance when calling newRemoteReusableWorkflowWithPlat
+//
+// remoteReusableWorkflow.URL = rc.getGithubContext(ctx).ServerURL
+func cloneRemoteReusableWorkflow(rc *RunContext, cloneURL, ref, targetDirectory, token string) common.Executor {
 	return func(ctx context.Context) error {
-		executorLock.Lock()
-		defer executorLock.Unlock()
-
-		return executor(ctx)
+		cloneURL = rc.NewExpressionEvaluator(ctx).Interpolate(ctx, cloneURL)
+		return git.NewGitCloneExecutor(git.NewGitCloneExecutorInput{
+			URL:         cloneURL,
+			Ref:         ref,
+			Dir:         targetDirectory,
+			Token:       token,
+			OfflineMode: rc.Config.ActionOfflineMode,
+		})(ctx)
 	}
 }
 
-func cloneIfRequired(rc *RunContext, remoteReusableWorkflow remoteReusableWorkflow, targetDirectory, token string) common.Executor {
-	return common.NewConditionalExecutor(
-		func(ctx context.Context) bool {
-			_, err := os.Stat(targetDirectory)
-			notExists := errors.Is(err, fs.ErrNotExist)
-			return notExists
-		},
-		func(ctx context.Context) error {
-			// interpolate the cloneURL
-			cloneURL := rc.NewExpressionEvaluator(ctx).Interpolate(ctx, remoteReusableWorkflow.CloneURL())
-			// Do not change the remoteReusableWorkflow.URL, because:
-			// 	1. Gitea doesn't support specifying GithubContext.ServerURL by the GITHUB_SERVER_URL env
-			//	2. Gitea has already full URL with rc.Config.GitHubInstance when calling newRemoteReusableWorkflowWithPlat
-			// remoteReusableWorkflow.URL = rc.getGithubContext(ctx).ServerURL
-			return git.NewGitCloneExecutor(git.NewGitCloneExecutorInput{
-				URL:         cloneURL,
-				Ref:         remoteReusableWorkflow.Ref,
-				Dir:         targetDirectory,
-				Token:       token,
-				OfflineMode: rc.Config.ActionOfflineMode,
-			})(ctx)
-		},
-		nil,
-	)
-}
+var modelNewWorkflowPlanner = model.NewWorkflowPlanner
 
 func newReusableWorkflowExecutor(rc *RunContext, directory, workflow string) common.Executor {
 	return func(ctx context.Context) error {
-		planner, err := model.NewWorkflowPlanner(path.Join(directory, workflow), true)
+		// Scoped to the yaml read so concurrent invocations don't serialize
+		// on the whole job run.
+		planner, err := func() (model.WorkflowPlanner, error) {
+			defer git.AcquireCloneLock(directory)()
+			return modelNewWorkflowPlanner(path.Join(directory, workflow), true)
+		}()
 		if err != nil {
 			return err
 		}
@@ -298,7 +285,7 @@ func setReusedWorkflowCallerResult(rc *RunContext, runner Runner) common.Executo
 				rc.caller.setReusedWorkflowJobResult(rc.JobName, reusedWorkflowJobResult)
 			} else {
 				rc.result(reusedWorkflowJobResult)
-				logger.WithField("jobResult", reusedWorkflowJobResult).Infof("\U0001F3C1  Job %s", reusedWorkflowJobResultMessage)
+				logger.WithField("jobResult", reusedWorkflowJobResult).Infof("Job %s", reusedWorkflowJobResultMessage)
 			}
 		}
 
@@ -321,6 +308,11 @@ func getGitCloneToken(conf *Config, cloneURL string) string {
 // 1. cloneURL is from the same Gitea instance that the runner is registered to
 // 2. the cloneURL does not have basic auth embedded
 func shouldCloneURLUseToken(instanceURL, cloneURL string) bool {
+	if !strings.HasPrefix(instanceURL, "http://") &&
+		!strings.HasPrefix(instanceURL, "https://") {
+		instanceURL = "https://" + instanceURL
+	}
+
 	u1, err1 := url.Parse(instanceURL)
 	u2, err2 := url.Parse(cloneURL)
 	if err1 != nil || err2 != nil {

act/runner/reusable_workflow_test.go

@@ -0,0 +1,193 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package runner
+
+import (
+	"context"
+	"errors"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"sync"
+	"testing"
+	"time"
+
+	"gitea.com/gitea/runner/act/common/git"
+	"gitea.com/gitea/runner/act/model"
+
+	"github.com/stretchr/testify/require"
+)
+
+// Regression test for go-gitea/gitea#37483: a remote reusable workflow at a moving
+// ref (branch/tag) must reflect the new tip on every invocation, not stay pinned
+// to the cache populated on the first run.
+func TestReusableWorkflowCachedBranchRefRefreshes(t *testing.T) {
+	if _, err := exec.LookPath("git"); err != nil {
+		t.Skip("git not available in PATH")
+	}
+
+	remoteDir := t.TempDir()
+	gitMust(t, "", "init", "--bare", "--initial-branch=master", remoteDir)
+
+	workDir := t.TempDir()
+	gitMust(t, "", "clone", remoteDir, workDir)
+	gitMust(t, workDir, "config", "user.email", "test@test")
+	gitMust(t, workDir, "config", "user.name", "test")
+	gitMust(t, workDir, "checkout", "-b", "master")
+
+	const workflowPath = ".gitea/workflows/reusable.yml"
+	tmpl := func(tag string) string {
+		return "name: reusable\non:\n  workflow_call:\njobs:\n  build:\n    runs-on: ubuntu-latest\n    steps:\n      - run: echo " + tag + "\n"
+	}
+
+	require.NoError(t, os.MkdirAll(filepath.Join(workDir, ".gitea/workflows"), 0o755))
+	require.NoError(t, os.WriteFile(filepath.Join(workDir, workflowPath), []byte(tmpl("v1")), 0o644))
+	gitMust(t, workDir, "add", workflowPath)
+	gitMust(t, workDir, "commit", "-m", "v1")
+	gitMust(t, workDir, "push", "-u", "origin", "master")
+
+	rc := &RunContext{
+		Config: &Config{},
+		Run: &model.Run{
+			JobID: "j1",
+			Workflow: &model.Workflow{
+				Name: "wf",
+				Jobs: map[string]*model.Job{"j1": {}},
+			},
+		},
+	}
+	cacheDir := t.TempDir()
+
+	require.NoError(t, cloneRemoteReusableWorkflow(rc, remoteDir, "master", cacheDir, "")(context.Background()))
+	got, err := os.ReadFile(filepath.Join(cacheDir, workflowPath))
+	require.NoError(t, err)
+	require.Equal(t, tmpl("v1"), string(got))
+
+	// Branch tip moves; cache key (cacheDir) does not.
+	require.NoError(t, os.WriteFile(filepath.Join(workDir, workflowPath), []byte(tmpl("v2")), 0o644))
+	gitMust(t, workDir, "commit", "-am", "v2")
+	gitMust(t, workDir, "push", "origin", "master")
+
+	require.NoError(t, cloneRemoteReusableWorkflow(rc, remoteDir, "master", cacheDir, "")(context.Background()))
+	got, err = os.ReadFile(filepath.Join(cacheDir, workflowPath))
+	require.NoError(t, err)
+	require.Equal(t, tmpl("v2"), string(got), "cached workflow file must reflect the updated branch tip")
+}
+
+func TestNewReusableWorkflowExecutorHoldsCloneLock(t *testing.T) {
+	workflowDir := t.TempDir()
+
+	unlockOnce := sync.OnceFunc(git.AcquireCloneLock(workflowDir))
+	defer unlockOnce()
+
+	plannerCalled := make(chan struct{})
+
+	origPlanner := modelNewWorkflowPlanner
+	modelNewWorkflowPlanner = func(string, bool) (model.WorkflowPlanner, error) {
+		close(plannerCalled)
+		return nil, errors.New("stop")
+	}
+	defer func() { modelNewWorkflowPlanner = origPlanner }()
+
+	rc := &RunContext{
+		Config: &Config{},
+		Run:    &model.Run{Workflow: &model.Workflow{Jobs: map[string]*model.Job{}}},
+	}
+	exec := newReusableWorkflowExecutor(rc, workflowDir, "reusable.yml")
+
+	done := make(chan error, 1)
+	go func() { done <- exec(context.Background()) }()
+
+	select {
+	case <-plannerCalled:
+		t.Fatal("planner ran while clone lock was held")
+	case err := <-done:
+		t.Fatalf("executor returned before planner was reached: %v", err)
+	case <-time.After(50 * time.Millisecond):
+	}
+
+	unlockOnce()
+
+	select {
+	case <-plannerCalled:
+	case <-time.After(time.Second):
+		t.Fatal("planner not called after lock was released")
+	}
+
+	select {
+	case err := <-done:
+		require.Error(t, err)
+	case <-time.After(time.Second):
+		t.Fatal("executor did not return after planner ran")
+	}
+}
+
+func TestGetGitCloneTokenWithSchemalessGiteaInstance(t *testing.T) {
+	conf := &Config{
+		GitHubInstance: "gitea.example.net",
+		Secrets: map[string]string{
+			"GITEA_TOKEN": "token-value",
+		},
+	}
+
+	token := getGitCloneToken(conf, "https://gitea.example.net/actions/tools")
+
+	require.Equal(t, "token-value", token)
+}
+
+func TestShouldCloneURLUseToken(t *testing.T) {
+	tests := []struct {
+		name        string
+		instanceURL string
+		cloneURL    string
+		want        bool
+	}{
+		{
+			name:        "same host with schemaless instance",
+			instanceURL: "gitea.example.net",
+			cloneURL:    "https://gitea.example.net/actions/tools",
+			want:        true,
+		},
+		{
+			name:        "same host with schemaless instance and port",
+			instanceURL: "gitea.example.net:3000",
+			cloneURL:    "https://gitea.example.net:3000/actions/tools",
+			want:        true,
+		},
+		{
+			name:        "different host",
+			instanceURL: "gitea.example.net",
+			cloneURL:    "https://github.com/actions/tools",
+			want:        false,
+		},
+		{
+			name:        "embedded basic auth",
+			instanceURL: "gitea.example.net",
+			cloneURL:    "https://user:[email protected]/actions/tools",
+			want:        false,
+		},
+		{
+			name:        "invalid clone URL",
+			instanceURL: "gitea.example.net",
+			cloneURL:    "://gitea.example.net/actions/tools",
+			want:        false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			require.Equal(t, tt.want, shouldCloneURLUseToken(tt.instanceURL, tt.cloneURL))
+		})
+	}
+}
+
+func gitMust(t *testing.T, dir string, args ...string) {
+	t.Helper()
+	cmd := exec.Command("git", args...)
+	if dir != "" {
+		cmd.Dir = dir
+	}
+	out, err := cmd.CombinedOutput()
+	require.NoError(t, err, "git %v: %s", args, string(out))
+}

act/runner/run_context.go

@@ -193,7 +193,7 @@ func (rc *RunContext) GetBindsAndMounts() ([]string, map[string]string) {
 func (rc *RunContext) startHostEnvironment() common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
-		rawLogger := logger.WithField("raw_output", true)
+		rawLogger := logger.WithField(rawOutputField, true)
 		logWriter := common.NewLineWriter(rc.commandHandler(ctx), func(s string) bool {
 			if rc.Config.LogOutput {
 				rawLogger.Infof("%s", s)
@@ -220,16 +220,17 @@ func (rc *RunContext) startHostEnvironment() common.Executor {
 		}
 		toolCache := filepath.Join(cacheDir, "tool_cache")
 		rc.JobContainer = &container.HostEnvironment{
-			Path:        path,
-			TmpDir:      runnerTmp,
-			ToolCache:   toolCache,
-			Workdir:     rc.Config.Workdir,
-			BindWorkdir: rc.Config.BindWorkdir,
-			ActPath:     actPath,
+			Path:         path,
+			TmpDir:       runnerTmp,
+			ToolCache:    toolCache,
+			Workdir:      rc.Config.Workdir,
+			CleanWorkdir: rc.Config.CleanWorkdir,
+			ActPath:      actPath,
 			CleanUp: func() {
 				os.RemoveAll(miscpath)
 			},
-			StdOut: logWriter,
+			StdOut:      logWriter,
+			AllocatePTY: rc.Config.AllocatePTY,
 		}
 		rc.cleanUpJobContainer = rc.JobContainer.Remove()
 		for k, v := range rc.JobContainer.GetRunnerContext(ctx) {
@@ -260,11 +261,24 @@ func (rc *RunContext) startHostEnvironment() common.Executor {
 	}
 }
 
+// printStartJobContainerGroup mirrors actions/runner's "Starting job container"
+// section: emit the group header and summary, return a closer for ::endgroup::.
+func printStartJobContainerGroup(ctx context.Context, image, name, network string) func() {
+	rawLogger := common.Logger(ctx).WithField(rawOutputField, true)
+	rawLogger.Infof("::group::Starting job container")
+	rawLogger.Infof("image: %s", image)
+	rawLogger.Infof("name: %s", name)
+	rawLogger.Infof("network: %s", network)
+	return func() {
+		rawLogger.Infof("::endgroup::")
+	}
+}
+
 func (rc *RunContext) startJobContainer() common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
 		image := rc.platformImage(ctx)
-		rawLogger := logger.WithField("raw_output", true)
+		rawLogger := logger.WithField(rawOutputField, true)
 		logWriter := common.NewLineWriter(rc.commandHandler(ctx), func(s string) bool {
 			if rc.Config.LogOutput {
 				rawLogger.Infof("%s", s)
@@ -279,7 +293,6 @@ func (rc *RunContext) startJobContainer() common.Executor {
 			return fmt.Errorf("failed to handle credentials: %s", err)
 		}
 
-		logger.Infof("\U0001f680  Start image=%s", image)
 		name := rc.jobContainerName()
 		// For gitea, to support --volumes-from <container_name_or_id> in options.
 		// We need to set the container name to the environment variable.
@@ -359,6 +372,7 @@ func (rc *RunContext) startJobContainer() common.Executor {
 				NetworkAliases: []string{serviceID},
 				ExposedPorts:   exposedPorts,
 				PortBindings:   portBindings,
+				AllocatePTY:    rc.Config.AllocatePTY,
 			})
 			rc.ServiceContainers = append(rc.ServiceContainers, c)
 		}
@@ -419,11 +433,13 @@ func (rc *RunContext) startJobContainer() common.Executor {
 			Options:        rc.options(ctx),
 			AutoRemove:     rc.Config.AutoRemove,
 			ValidVolumes:   rc.Config.ValidVolumes,
+			AllocatePTY:    rc.Config.AllocatePTY,
 		})
 		if rc.JobContainer == nil {
 			return errors.New("Failed to create job container")
 		}
 
+		defer printStartJobContainerGroup(ctx, image, name, networkName)()
 		return common.NewPipelineExecutor(
 			rc.pullServicesImages(rc.Config.ForcePull),
 			rc.JobContainer.Pull(rc.Config.ForcePull),
@@ -753,7 +769,7 @@ func (rc *RunContext) isEnabled(ctx context.Context) (bool, error) {
 	img := rc.platformImage(ctx)
 	if img == "" {
 		for _, platformName := range rc.runsOnPlatformNames(ctx) {
-			l.Infof("\U0001F6A7  Skipping unsupported platform -- Try running with `-P %+v=...`", platformName)
+			l.Infof("Skipping unsupported platform -- Try running with `-P %+v=...`", platformName)
 		}
 		return false, nil
 	}

act/runner/run_context_test.go

@@ -5,6 +5,7 @@
 package runner
 
 import (
+	"bytes"
 	"context"
 	"fmt"
 	"os"
@@ -12,6 +13,7 @@ import (
 	"strings"
 	"testing"
 
+	"gitea.com/gitea/runner/act/common"
 	"gitea.com/gitea/runner/act/exprparser"
 	"gitea.com/gitea/runner/act/model"
 
@@ -635,3 +637,25 @@ func TestCreateContainerNameBoundedForLongMatrixInput(t *testing.T) {
 	assert.LessOrEqual(t, len(name+"-network"), 255)
 	assert.LessOrEqual(t, len(name+"-job1234567890"), 255)
 }
+
+func TestPrintStartJobContainerGroupGolden(t *testing.T) {
+	buf := &bytes.Buffer{}
+	logger := log.New()
+	logger.SetOutput(buf)
+	logger.SetLevel(log.InfoLevel)
+	logger.SetFormatter(&jobLogFormatter{color: cyan})
+	entry := logger.WithFields(log.Fields{"job": "j1"})
+	ctx := common.WithLogger(context.Background(), entry)
+
+	printStartJobContainerGroup(ctx, "node:20", "GITEA-WORKFLOW-build-JOB-test", "gitea-runner-network")()
+
+	want := strings.Join([]string{
+		"[j1]   | ::group::Starting job container",
+		"[j1]   | image: node:20",
+		"[j1]   | name: GITEA-WORKFLOW-build-JOB-test",
+		"[j1]   | network: gitea-runner-network",
+		"[j1]   | ::endgroup::",
+		"",
+	}, "\n")
+	assert.Equal(t, want, buf.String())
+}

act/runner/runner.go

@@ -16,7 +16,7 @@ import (
 	"gitea.com/gitea/runner/act/common"
 	"gitea.com/gitea/runner/act/model"
 
-	docker_container "github.com/docker/docker/api/types/container"
+	docker_container "github.com/moby/moby/api/types/container"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -73,12 +73,14 @@ type Config struct {
 	EventJSON             string                       // the content of JSON file to use for event.json in containers, overrides EventPath
 	ContainerNamePrefix   string                       // the prefix of container name
 	ContainerMaxLifetime  time.Duration                // the max lifetime of job containers
+	CleanWorkdir          bool                         // remove host executor workdir on teardown
 	DefaultActionInstance string                       // the default actions web site
 	PlatformPicker        func(labels []string) string // platform picker, it will take precedence over Platforms if isn't nil
 	JobLoggerLevel        *log.Level                   // the level of job logger
 	ValidVolumes          []string                     // only volumes (and bind mounts) in this slice can be mounted on the job container or service containers
 	InsecureSkipTLS       bool                         // whether to skip verifying TLS certificate of the Gitea instance
 	MaxParallel           int                          // max parallel jobs to run across all workflows (0 = no limit, uses CPU count)
+	AllocatePTY           bool                         // allocate a pseudo-TTY for each step's process
 }
 
 // GetToken: Adapt to Gitea
@@ -90,6 +92,17 @@ func (c Config) GetToken() string {
 	return token
 }
 
+// DefaultActionURL returns the host used for implicit remote actions.
+func (c Config) DefaultActionURL() string {
+	if c.DefaultActionInstance != "" {
+		return c.DefaultActionInstance
+	}
+	if c.GitHubInstance != "" {
+		return c.GitHubInstance
+	}
+	return "github.com"
+}
+
 type caller struct {
 	runContext *RunContext
 

act/runner/runner_test.go

@@ -26,7 +26,7 @@ import (
 )
 
 var (
-	baseImage = "node:16-buster-slim"
+	baseImage = "node:24-bookworm-slim"
 	platforms map[string]string
 	logLevel  = log.DebugLevel
 	workdir   = "testdata"
@@ -230,11 +230,9 @@ func TestRunEvent(t *testing.T) {
 	tables := []TestJobFileInfo{
 		// Shells
 		{workdir, "shells/defaults", "push", "", platforms, secrets},
-		// TODO: figure out why it fails
-		// {workdir, "shells/custom", "push", "", map[string]string{"ubuntu-latest": "catthehacker/ubuntu:pwsh-latest"}, }, // custom image with pwsh
 		{workdir, "shells/pwsh", "push", "", map[string]string{"ubuntu-latest": "catthehacker/ubuntu:pwsh-latest"}, secrets}, // custom image with pwsh
 		{workdir, "shells/bash", "push", "", platforms, secrets},
-		{workdir, "shells/python", "push", "", map[string]string{"ubuntu-latest": "node:16-buster"}, secrets}, // slim doesn't have python
+		{workdir, "shells/python", "push", "", map[string]string{"ubuntu-latest": "node:24-bookworm"}, secrets}, // slim doesn't have python
 		{workdir, "shells/sh", "push", "", platforms, secrets},
 
 		// Local action
@@ -463,7 +461,7 @@ func TestDryrunEvent(t *testing.T) {
 		{workdir, "shells/defaults", "push", "", platforms, secrets},
 		{workdir, "shells/pwsh", "push", "", map[string]string{"ubuntu-latest": "catthehacker/ubuntu:pwsh-latest"}, secrets}, // custom image with pwsh
 		{workdir, "shells/bash", "push", "", platforms, secrets},
-		{workdir, "shells/python", "push", "", map[string]string{"ubuntu-latest": "node:16-buster"}, secrets}, // slim doesn't have python
+		{workdir, "shells/python", "push", "", map[string]string{"ubuntu-latest": "node:24-bookworm"}, secrets}, // slim doesn't have python
 		{workdir, "shells/sh", "push", "", platforms, secrets},
 
 		// Local action
@@ -593,7 +591,7 @@ func TestRunWithService(t *testing.T) {
 	ctx := context.Background()
 
 	platforms := map[string]string{
-		"ubuntu-latest": "node:12.20.1-buster-slim",
+		"ubuntu-latest": "node:24-bookworm-slim",
 	}
 
 	workflowPath := "services"