Merge pull request #38 from yuuki/feature/add-help-flag

yuuki · web-flow · commit b43404beaa91 · 2025-06-10T21:38:47.000+09:00
feat: add --help flag support
diff --git a/main.go b/main.go
@@ -121,6 +121,9 @@ func main() {
 	// Handle version flag
 	handleVersion()
 
+	// Handle help flag
+	handleHelp()
+
 	// Handle listen addresses for server mode
 	if serverMode {
 		// Default listen address if none provided
diff --git a/version.go b/version.go
@@ -11,9 +11,11 @@ const version = "0.8.0"
 
 var revision = "HEAD"
 var showVersion bool
+var showHelp bool
 
 func init() {
 	pflag.BoolVar(&showVersion, "version", false, "show version information")
+	pflag.BoolVarP(&showHelp, "help", "h", false, "show help information")
 }
 
 func handleVersion() {
@@ -22,3 +24,10 @@ func handleVersion() {
 		os.Exit(0)
 	}
 }
+
+func handleHelp() {
+	if showHelp {
+		printUsage()
+		os.Exit(0)
+	}
+}

Original file line number	Diff line number	Diff line change
`@@ -11,9 +11,11 @@ const version = "0.8.0"`
`11`	`11`
`12`	`12`	`var revision = "HEAD"`
`13`	`13`	`var showVersion bool`
	`14`	`+var showHelp bool`
`14`	`15`
`15`	`16`	`func init() {`
`16`	`17`	`pflag.BoolVar(&showVersion, "version", false, "show version information")`
	`18`	`+ pflag.BoolVarP(&showHelp, "help", "h", false, "show help information")`
`17`	`19`	`}`
`18`	`20`
`19`	`21`	`func handleVersion() {`
`@@ -22,3 +24,10 @@ func handleVersion() {`
`22`	`24`	`os.Exit(0)`
`23`	`25`	`}`
`24`	`26`	`}`
	`27`	`+`
	`28`	`+func handleHelp() {`
	`29`	`+ if showHelp {`
	`30`	`+ printUsage()`
	`31`	`+ os.Exit(0)`
	`32`	`+ }`
	`33`	`+}`