Fix actions rerun bug (#35783)

Related issues: #35780, #35782 

Rerunning a job or a run is only allowed when the job is done and the
run is done.

Related PR: #34970

routers/web/repo/actions/view.go

@@ -412,6 +412,12 @@ func Rerun(ctx *context_module.Context) {
 		return
 	}
 
+	// rerun is not allowed if the run is not done
+	if !run.Status.IsDone() {
+		ctx.JSONError(ctx.Locale.Tr("actions.runs.not_done"))
+		return
+	}
+
 	// can not rerun job when workflow is disabled
 	cfgUnit := ctx.Repo.Repository.MustGetUnit(ctx, unit.TypeActions)
 	cfg := cfgUnit.ActionsConfig()
@@ -420,15 +426,7 @@ func Rerun(ctx *context_module.Context) {
 		return
 	}
 
-	// check run (workflow-level) concurrency
-
-	job, jobs := getRunJobs(ctx, runIndex, jobIndex)
-	if ctx.Written() {
-		return
-	}
-
-	// reset run's start and stop time when it is done
-	if run.Status.IsDone() {
+	// reset run's start and stop time
 	run.PreviousDuration = run.Duration()
 	run.Started = 0
 	run.Stopped = 0
@@ -469,6 +467,10 @@ func Rerun(ctx *context_module.Context) {
 		return
 	}
 	notify_service.WorkflowRunStatusUpdate(ctx, run.Repo, run.TriggerUser, run)
+
+	job, jobs := getRunJobs(ctx, runIndex, jobIndex)
+	if ctx.Written() {
+		return
 	}
 
 	isRunBlocked := run.Status == actions_model.StatusBlocked
@@ -501,7 +503,7 @@ func Rerun(ctx *context_module.Context) {
 
 func rerunJob(ctx *context_module.Context, job *actions_model.ActionRunJob, shouldBlock bool) error {
 	status := job.Status
-	if !status.IsDone() || !job.Run.Status.IsDone() {
+	if !status.IsDone() {
 		return nil
 	}
 

tests/integration/actions_rerun_test.go

@@ -0,0 +1,118 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"testing"
+
+	auth_model "code.gitea.io/gitea/models/auth"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+
+	runnerv1 "code.gitea.io/actions-proto-go/runner/v1"
+)
+
+func TestActionsRerun(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+		session := loginUser(t, user2.Name)
+		token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteRepository, auth_model.AccessTokenScopeWriteUser)
+
+		apiRepo := createActionsTestRepo(t, token, "actions-rerun", false)
+		repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: apiRepo.ID})
+		httpContext := NewAPITestContext(t, user2.Name, repo.Name, auth_model.AccessTokenScopeWriteRepository)
+		defer doAPIDeleteRepository(httpContext)(t)
+
+		runner := newMockRunner()
+		runner.registerAsRepoRunner(t, repo.OwnerName, repo.Name, "mock-runner", []string{"ubuntu-latest"}, false)
+
+		wfTreePath := ".gitea/workflows/actions-rerun-workflow-1.yml"
+		wfFileContent := `name: actions-rerun-workflow-1
+on: 
+  push:
+    paths:
+      - '.gitea/workflows/actions-rerun-workflow-1.yml'
+jobs:
+  job1:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo 'job1'
+  job2:
+    runs-on: ubuntu-latest
+    needs: [job1]
+    steps:
+      - run: echo 'job2'
+`
+
+		opts := getWorkflowCreateFileOptions(user2, repo.DefaultBranch, "create"+wfTreePath, wfFileContent)
+		createWorkflowFile(t, token, user2.Name, repo.Name, wfTreePath, opts)
+
+		// fetch and exec job1
+		job1Task := runner.fetchTask(t)
+		_, _, run := getTaskAndJobAndRunByTaskID(t, job1Task.Id)
+		runner.execTask(t, job1Task, &mockTaskOutcome{
+			result: runnerv1.Result_RESULT_SUCCESS,
+		})
+		// RERUN-FAILURE: the run is not done
+		req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/actions/runs/%d/rerun", user2.Name, repo.Name, run.Index), map[string]string{
+			"_csrf": GetUserCSRFToken(t, session),
+		})
+		session.MakeRequest(t, req, http.StatusBadRequest)
+		// fetch and exec job2
+		job2Task := runner.fetchTask(t)
+		runner.execTask(t, job2Task, &mockTaskOutcome{
+			result: runnerv1.Result_RESULT_SUCCESS,
+		})
+
+		// RERUN-1: rerun the run
+		req = NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/actions/runs/%d/rerun", user2.Name, repo.Name, run.Index), map[string]string{
+			"_csrf": GetUserCSRFToken(t, session),
+		})
+		session.MakeRequest(t, req, http.StatusOK)
+		// fetch and exec job1
+		job1TaskR1 := runner.fetchTask(t)
+		runner.execTask(t, job1TaskR1, &mockTaskOutcome{
+			result: runnerv1.Result_RESULT_SUCCESS,
+		})
+		// fetch and exec job2
+		job2TaskR1 := runner.fetchTask(t)
+		runner.execTask(t, job2TaskR1, &mockTaskOutcome{
+			result: runnerv1.Result_RESULT_SUCCESS,
+		})
+
+		// RERUN-2: rerun job1
+		req = NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/actions/runs/%d/jobs/%d/rerun", user2.Name, repo.Name, run.Index, 0), map[string]string{
+			"_csrf": GetUserCSRFToken(t, session),
+		})
+		session.MakeRequest(t, req, http.StatusOK)
+		// job2 needs job1, so rerunning job1 will also rerun job2
+		// fetch and exec job1
+		job1TaskR2 := runner.fetchTask(t)
+		runner.execTask(t, job1TaskR2, &mockTaskOutcome{
+			result: runnerv1.Result_RESULT_SUCCESS,
+		})
+		// fetch and exec job2
+		job2TaskR2 := runner.fetchTask(t)
+		runner.execTask(t, job2TaskR2, &mockTaskOutcome{
+			result: runnerv1.Result_RESULT_SUCCESS,
+		})
+
+		// RERUN-3: rerun job2
+		req = NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/actions/runs/%d/jobs/%d/rerun", user2.Name, repo.Name, run.Index, 1), map[string]string{
+			"_csrf": GetUserCSRFToken(t, session),
+		})
+		session.MakeRequest(t, req, http.StatusOK)
+		// only job2 will rerun
+		// fetch and exec job2
+		job2TaskR3 := runner.fetchTask(t)
+		runner.execTask(t, job2TaskR3, &mockTaskOutcome{
+			result: runnerv1.Result_RESULT_SUCCESS,
+		})
+		runner.fetchNoTask(t)
+	})
+}