add verify-config flag

zakuro9715 · May 6, 2021 · c682829 · c682829
1 parent 1a61f01
commit c682829
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Showing 2 changed files with 15 additions and 0 deletions.
diff --git a/cli/cli.go b/cli/cli.go
@@ -26,6 +26,7 @@ Usage:
 Options:
   -c config, --config=config Specify config file [default: z.yaml, env: ZCONFIG]
   -v, --verbose              Enbale verbose log [env: ZVERBOSE]
+  --verify-config            Only verify config. no task will run
   --silent                   Supress output [env: ZSILENT]
   -h, --help                 Print help
   -V, --verison              Print version
@@ -104,6 +105,7 @@ func processFlags(nzargs []nzflag.Value) (i int, cfg *config.Config, rconfig *ru
 
 	helpFlag := false
 	verboseFlag := isEnvValTrue(os.Getenv(ENV_KEY_ZVERBOSE))
+	verifyConfigFlag := false
 	rconfig = &runner.Config{Silent: isEnvValTrue(os.Getenv(ENV_KEY_ZSILENT))}
 	for ; i < len(nzargs); i++ {
 		arg := nzargs[i]
@@ -123,6 +125,8 @@ func processFlags(nzargs []nzflag.Value) (i int, cfg *config.Config, rconfig *ru
 			configPath = arg.Flag().Values[0]
 		case arg.Flag().Name == "silent":
 			rconfig.Silent = true
+		case arg.Flag().Name == "verify-config":
+			verifyConfigFlag = true
 		default: // unknow flag
 			goto parse_end
 		}
@@ -151,6 +155,12 @@ parse_end:
 		return
 	}
 
+	if verifyConfigFlag {
+		// Config is loaded above. So config is valid at here.
+		code = 0
+		return
+	}
+
 	code = -1
 	return
 }

diff --git a/examples_test.go b/examples_test.go
@@ -88,3 +88,8 @@ func ExampleAlias() {
 	// Output:
 	// hello world alias
 }
+
+func ExampleVerifyConfig() {
+	cli.Main([]string{"--verify-config"})
+	// Output:
+}