deal with unreachable code warning.

spf13 · May 22, 2019 · 64400ad · 64400ad
1 parent 8edc57e
commit 64400ad
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/fish_completions.go b/fish_completions.go
@@ -119,14 +119,16 @@ func flagRequiresArgumentCompletion(flag *pflag.Flag) string {
 func subCommandPath(rootCmd *Command, cmd *Command) string {
 	path := []string{}
 	currentCmd := cmd
+	if rootCmd == cmd {
+		return ""
+	}
 	for {
 		path = append([]string{currentCmd.Name()}, path...)
 		if currentCmd.Parent() == rootCmd {
 			return strings.Join(path, " ")
 		}
 		currentCmd = currentCmd.Parent()
 	}
-	return ""
 }
 
 func rangeCommands(cmd *Command, callback func(subCmd *Command)) {