Improve the support for reusable workflows (#122)

Fix [#32439](https://github.com/go-gitea/gitea/issues/32439)

- Support reusable workflows with conditional jobs
- Support nesting reusable workflows

Reviewed-on: https://gitea.com/gitea/act/pulls/122
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-by: Jason Song <wolfogre@noreply.gitea.com>
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-committed-by: Zettat123 <zettat123@gmail.com>

pkg/runner/job_executor.go

@@ -73,10 +73,6 @@ func newJobExecutor(info jobInfo, sf stepFactory, rc *RunContext) common.Executo
 
 		preExec := step.pre()
 		preSteps = append(preSteps, useStepLogger(rc, stepModel, stepStagePre, func(ctx context.Context) error {
-			if rc.caller != nil { // For Gitea
-				rc.caller.reusedWorkflowJobResults[rc.JobName] = "pending"
-			}
-
 			logger := common.Logger(ctx)
 			preErr := preExec(ctx)
 			if preErr != nil {
@@ -189,34 +185,7 @@ func setJobResult(ctx context.Context, info jobInfo, rc *RunContext, success boo
 	info.result(jobResult)
 	if rc.caller != nil {
 		// set reusable workflow job result
-
-		rc.caller.updateResultLock.Lock()
-		rc.caller.reusedWorkflowJobResults[rc.JobName] = jobResult
-
-		allJobDone := true
-		hasFailure := false
-		for _, result := range rc.caller.reusedWorkflowJobResults {
-			if result == "pending" {
-				allJobDone = false
-				break
-			}
-			if result == "failure" {
-				hasFailure = true
-			}
-		}
-
-		if allJobDone {
-			reusedWorkflowJobResult := "success"
-			reusedWorkflowJobResultMessage := "succeeded"
-			if hasFailure {
-				reusedWorkflowJobResult = "failure"
-				reusedWorkflowJobResultMessage = "failed"
-			}
-			rc.caller.runContext.result(reusedWorkflowJobResult)
-			logger.WithField("jobResult", reusedWorkflowJobResult).Infof("\U0001F3C1  Job %s", reusedWorkflowJobResultMessage)
-		}
-
-		rc.caller.updateResultLock.Unlock()
+		rc.caller.setReusedWorkflowJobResult(rc.JobName, jobResult) // For Gitea
 		return
 	}
 

pkg/runner/reusable_workflow.go

@@ -175,7 +175,11 @@ func newReusableWorkflowExecutor(rc *RunContext, directory string, workflow stri
 			return err
 		}
 
-		return runner.NewPlanExecutor(plan)(ctx)
+		// return runner.NewPlanExecutor(plan)(ctx)
+		return common.NewPipelineExecutor( // For Gitea
+			runner.NewPlanExecutor(plan),
+			setReusedWorkflowCallerResult(rc, runner),
+		)(ctx)
 	}
 }
 
@@ -271,3 +275,47 @@ func newRemoteReusableWorkflow(uses string) *remoteReusableWorkflow {
 		URL:      "https://github.com",
 	}
 }
+
+// For Gitea
+func setReusedWorkflowCallerResult(rc *RunContext, runner Runner) common.Executor {
+	return func(ctx context.Context) error {
+		logger := common.Logger(ctx)
+
+		runnerImpl, ok := runner.(*runnerImpl)
+		if !ok {
+			logger.Warn("Failed to get caller from runner")
+			return nil
+		}
+		caller := runnerImpl.caller
+
+		allJobDone := true
+		hasFailure := false
+		for _, result := range caller.reusedWorkflowJobResults {
+			if result == "pending" {
+				allJobDone = false
+				break
+			}
+			if result == "failure" {
+				hasFailure = true
+			}
+		}
+
+		if allJobDone {
+			reusedWorkflowJobResult := "success"
+			reusedWorkflowJobResultMessage := "succeeded"
+			if hasFailure {
+				reusedWorkflowJobResult = "failure"
+				reusedWorkflowJobResultMessage = "failed"
+			}
+
+			if rc.caller != nil {
+				rc.caller.setReusedWorkflowJobResult(rc.JobName, reusedWorkflowJobResult)
+			} else {
+				rc.result(reusedWorkflowJobResult)
+				logger.WithField("jobResult", reusedWorkflowJobResult).Infof("\U0001F3C1  Job %s", reusedWorkflowJobResultMessage)
+			}
+		}
+
+		return nil
+	}
+}

pkg/runner/run_context.go

@@ -92,7 +92,12 @@ func (rc *RunContext) GetEnv() map[string]string {
 }
 
 func (rc *RunContext) jobContainerName() string {
-	return createSimpleContainerName(rc.Config.ContainerNamePrefix, "WORKFLOW-"+rc.Run.Workflow.Name, "JOB-"+rc.Name)
+	nameParts := []string{rc.Config.ContainerNamePrefix, "WORKFLOW-" + rc.Run.Workflow.Name, "JOB-" + rc.Name}
+	if rc.caller != nil {
+		nameParts = append(nameParts, "CALLED-BY-"+rc.caller.runContext.JobName)
+	}
+	// return createSimpleContainerName(rc.Config.ContainerNamePrefix, "WORKFLOW-"+rc.Run.Workflow.Name, "JOB-"+rc.Name)
+	return createSimpleContainerName(nameParts...) // For Gitea
 }
 
 // Deprecated: use `networkNameForGitea`
@@ -653,6 +658,7 @@ func (rc *RunContext) Executor() (common.Executor, error) {
 	return func(ctx context.Context) error {
 		res, err := rc.isEnabled(ctx)
 		if err != nil {
+			rc.caller.setReusedWorkflowJobResult(rc.JobName, "failure") // For Gitea
 			return err
 		}
 		if res {
@@ -748,6 +754,10 @@ func (rc *RunContext) isEnabled(ctx context.Context) (bool, error) {
 	}
 
 	if !runJob {
+		if rc.caller != nil { // For Gitea
+			rc.caller.setReusedWorkflowJobResult(rc.JobName, "skipped")
+			return false, nil
+		}
 		l.WithField("jobResult", "skipped").Debugf("Skipping job '%s' due to '%s'", job.Name, job.If.Value)
 		return false, nil
 	}

pkg/runner/runner.go

@@ -210,6 +210,9 @@ func (runner *runnerImpl) NewPlanExecutor(plan *model.Plan) common.Executor {
 					if len(rc.String()) > maxJobNameLen {
 						maxJobNameLen = len(rc.String())
 					}
+					if rc.caller != nil { // For Gitea
+						rc.caller.setReusedWorkflowJobResult(rc.JobName, "pending")
+					}
 					stageExecutor = append(stageExecutor, func(ctx context.Context) error {
 						jobName := fmt.Sprintf("%-*s", maxJobNameLen, rc.String())
 						executor, err := rc.Executor()
@@ -281,3 +284,10 @@ func (runner *runnerImpl) newRunContext(ctx context.Context, run *model.Run, mat
 
 	return rc
 }
+
+// For Gitea
+func (c *caller) setReusedWorkflowJobResult(jobName string, result string) {
+	c.updateResultLock.Lock()
+	defer c.updateResultLock.Unlock()
+	c.reusedWorkflowJobResults[jobName] = result
+}