fix: return error on reusable workflows (#1093)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

pkg/model/workflow.go

@@ -84,6 +84,7 @@ type Job struct {
 	RawContainer   yaml.Node                 `yaml:"container"`
 	Defaults       Defaults                  `yaml:"defaults"`
 	Outputs        map[string]string         `yaml:"outputs"`
+	Uses           string                    `yaml:"uses"`
 	Result         string
 }
 

pkg/runner/runner.go

@@ -116,6 +116,8 @@ func New(runnerConfig *Config) (Runner, error) {
 	return runner, nil
 }
 
+// NewPlanExecutor ...
+//nolint:gocyclo
 func (runner *runnerImpl) NewPlanExecutor(plan *model.Plan) common.Executor {
 	maxJobNameLen := 0
 
@@ -128,6 +130,11 @@ func (runner *runnerImpl) NewPlanExecutor(plan *model.Plan) common.Executor {
 			for r, run := range stage.Runs {
 				stageExecutor := make([]common.Executor, 0)
 				job := run.Job()
+
+				if job.Uses != "" {
+					return fmt.Errorf("reusable workflows are currently not supported (see https://github.com/nektos/act/issues/826 for updates)")
+				}
+
 				if job.Strategy != nil {
 					strategyRc := runner.newRunContext(run, nil)
 					if err := strategyRc.NewExpressionEvaluator().EvaluateYamlNode(&job.Strategy.RawMatrix); err != nil {

pkg/runner/runner_test.go

@@ -123,6 +123,7 @@ func TestRunEvent(t *testing.T) {
 		{"testdata", "uses-composite", "push", "", platforms, ""},
 		{"testdata", "uses-composite-with-error", "push", "Job 'failing-composite-action' failed", platforms, ""},
 		{"testdata", "uses-nested-composite", "push", "", platforms, ""},
+		{"testdata", "uses-workflow", "push", "reusable workflows are currently not supported (see https://github.com/nektos/act/issues/826 for updates)", platforms, ""},
 		{"testdata", "composite-fail-with-output", "push", "", platforms, ""},
 		{"testdata", "issue-597", "push", "", platforms, ""},
 		{"testdata", "issue-598", "push", "", platforms, ""},

pkg/runner/testdata/uses-workflow/push.yml

@@ -0,0 +1,9 @@
+on: push
+
+jobs:
+  reusable-workflow:
+    uses: nektos/act-tests/.github/workflows/reusable-workflow.yml@master
+    with:
+      username: mona
+    secrets:
+      envPATH: ${{ secrets.envPAT }}