Revert supporting multiple default actions URLs and use github for exec by default (#262)

## ⚠️ BREAKING ⚠️

Follow https://github.com/go-gitea/gitea/pull/25581 and gitea/act#70 .

- Revert "Parse multiple default actions URLs (#200)"
- Revert "fix defaultActionsUrls config for exec (#233)"
- Use `https://github.com` for exec by default.

Reviewed-on: https://gitea.com/gitea/act_runner/pulls/262

go.mod

@@ -89,4 +89,4 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
-replace github.com/nektos/act => gitea.com/gitea/act v0.246.1-0.20230620073610-515c2c429d6d
+replace github.com/nektos/act => gitea.com/gitea/act v0.246.1

go.sum

@@ -2,8 +2,8 @@ code.gitea.io/actions-proto-go v0.3.0 h1:9Tvg8+TaaCXPKi6EnWl9vVgs2VZsj1Cs5afnsHa
 code.gitea.io/actions-proto-go v0.3.0/go.mod h1:00ys5QDo1iHN1tHNvvddAcy2W/g+425hQya1cCSvq9A=
 code.gitea.io/gitea-vet v0.2.3-0.20230113022436-2b1561217fa5 h1:daBEK2GQeqGikJESctP5Cu1i33z5ztAD4kyQWiw185M=
 code.gitea.io/gitea-vet v0.2.3-0.20230113022436-2b1561217fa5/go.mod h1:zcNbT/aJEmivCAhfmkHOlT645KNOf9W2KnkLgFjGGfE=
-gitea.com/gitea/act v0.246.1-0.20230620073610-515c2c429d6d h1:msAht+dSo+RLcKox3imOiMWUEAID386ffpG+SMrQdbY=
+gitea.com/gitea/act v0.246.1 h1:/HGPW/VqpvlDYgnCQNp1/cIPKwEhiwpYxx4r+xrUwIk=
-gitea.com/gitea/act v0.246.1-0.20230620073610-515c2c429d6d/go.mod h1:oU/5klyP5O+J2psPS3t50t09+SNVg+fZ/jN4lDZAq1U=
+gitea.com/gitea/act v0.246.1/go.mod h1:oU/5klyP5O+J2psPS3t50t09+SNVg+fZ/jN4lDZAq1U=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=

internal/app/cmd/exec.go

@@ -39,7 +39,7 @@ type executeArgs struct {
 	envs                  []string
 	envfile               string
 	secrets               []string
-	defaultActionsUrls    []string
+	defaultActionsUrl     string
 	insecureSecrets       bool
 	privileged            bool
 	usernsMode            string
@@ -407,7 +407,7 @@ func runExec(ctx context.Context, execArgs *executeArgs) func(cmd *cobra.Command
 			ContainerNamePrefix:   fmt.Sprintf("GITEA-ACTIONS-TASK-%s", eventName),
 			ContainerMaxLifetime:  maxLifetime,
 			ContainerNetworkMode:  container.NetworkMode(execArgs.network),
-			DefaultActionsURLs:   execArgs.defaultActionsUrls,
+			DefaultActionInstance: execArgs.defaultActionsUrl,
 			PlatformPicker: func(_ []string) string {
 				return execArgs.image
 			},
@@ -480,7 +480,7 @@ func loadExecCmd(ctx context.Context) *cobra.Command {
 	execCmd.PersistentFlags().StringVarP(&execArg.artifactServerPath, "artifact-server-path", "", ".", "Defines the path where the artifact server stores uploads and retrieves downloads from. If not specified the artifact server will not start.")
 	execCmd.PersistentFlags().StringVarP(&execArg.artifactServerAddr, "artifact-server-addr", "", "", "Defines the address where the artifact server listens")
 	execCmd.PersistentFlags().StringVarP(&execArg.artifactServerPort, "artifact-server-port", "", "34567", "Defines the port where the artifact server listens (will only bind to localhost).")
-	execCmd.PersistentFlags().StringArrayVarP(&execArg.defaultActionsUrls, "default-actions-url", "", []string{"https://gitea.com", "https://github.com"}, "Defines the default url list of action instance.")
+	execCmd.PersistentFlags().StringVarP(&execArg.defaultActionsUrl, "default-actions-url", "", "https://github.com", "Defines the default url of action instance.")
 	execCmd.PersistentFlags().BoolVarP(&execArg.noSkipCheckout, "no-skip-checkout", "", false, "Do not skip actions/checkout")
 	execCmd.PersistentFlags().BoolVarP(&execArg.debug, "debug", "d", false, "enable debug log")
 	execCmd.PersistentFlags().BoolVarP(&execArg.dryrun, "dryrun", "n", false, "dryrun mode")

internal/app/run/runner.go

@@ -197,7 +197,7 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
 		ContainerOptions:      r.cfg.Container.Options,
 		ContainerDaemonSocket: r.cfg.Container.DockerHost,
 		Privileged:            r.cfg.Container.Privileged,
-		DefaultActionsURLs:    parseDefaultActionsURLs(taskContext["gitea_default_actions_url"].GetStringValue()),
+		DefaultActionInstance: taskContext["gitea_default_actions_url"].GetStringValue(),
 		PlatformPicker:        r.labels.PickPlatform,
 		Vars:                  task.Vars,
 		ValidVolumes:          r.cfg.Container.ValidVolumes,
@@ -219,16 +219,6 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
 	return execErr
 }
 
-func parseDefaultActionsURLs(s string) []string {
-	urls := strings.Split(s, ",")
-	trimmed := make([]string, 0, len(urls))
-	for _, u := range urls {
-		t := strings.TrimRight(strings.TrimSpace(u), "/")
-		trimmed = append(trimmed, t)
-	}
-	return trimmed
-}
-
 func (r *Runner) Declare(ctx context.Context, labels []string) (*connect.Response[runnerv1.DeclareResponse], error) {
 	return r.client.Declare(ctx, connect.NewRequest(&runnerv1.DeclareRequest{
 		Version: ver.Version(),