feat: support offline mode (#2128)

* Add: Actions Offline Mode

* Add: Actions Offline Mode

---------

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

cmd/input.go

@@ -55,6 +55,7 @@ type Input struct {
 	replaceGheActionTokenWithGithubCom string
 	matrix                             []string
 	actionCachePath                    string
+	actionOfflineMode                  bool
 	logPrefixJobID                     bool
 	networkName                        string
 	useNewActionCache                  bool

cmd/root.go

@@ -97,6 +97,7 @@ func Execute(ctx context.Context, version string) {
 	rootCmd.PersistentFlags().StringVarP(&input.cacheServerAddr, "cache-server-addr", "", common.GetOutboundIP().String(), "Defines the address to which the cache server binds.")
 	rootCmd.PersistentFlags().Uint16VarP(&input.cacheServerPort, "cache-server-port", "", 0, "Defines the port where the artifact server listens. 0 means a randomly available port.")
 	rootCmd.PersistentFlags().StringVarP(&input.actionCachePath, "action-cache-path", "", filepath.Join(CacheHomeDir, "act"), "Defines the path where the actions get cached and host workspaces created.")
+	rootCmd.PersistentFlags().BoolVarP(&input.actionOfflineMode, "action-offline-mode", "", false, "If action contents exists, it will not be fetch and pull again. If turn on this,will turn off force pull")
 	rootCmd.PersistentFlags().StringVarP(&input.networkName, "network", "", "host", "Sets a docker network name. Defaults to host.")
 	rootCmd.PersistentFlags().BoolVarP(&input.useNewActionCache, "use-new-action-cache", "", false, "Enable using the new Action Cache for storing Actions locally")
 	rootCmd.SetArgs(args())
@@ -582,11 +583,12 @@ func newRunCommand(ctx context.Context, input *Input) func(*cobra.Command, []str
 			EventName:                          eventName,
 			EventPath:                          input.EventPath(),
 			DefaultBranch:                      defaultbranch,
-			ForcePull:                          input.forcePull,
+			ForcePull:                          !input.actionOfflineMode && input.forcePull,
 			ForceRebuild:                       input.forceRebuild,
 			ReuseContainers:                    input.reuseContainers,
 			Workdir:                            input.Workdir(),
 			ActionCacheDir:                     input.actionCachePath,
+			ActionOfflineMode:                  input.actionOfflineMode,
 			BindWorkdir:                        input.bindWorkdir,
 			LogOutput:                          !input.noOutput,
 			JSONLogger:                         input.jsonLogger,