Don't spam usage info on all errors

1 files changed, 6 insertions, 6 deletions

diff --git a/git-shell-commands.go b/git-shell-commands.go
index 2040e23..1b530f0 100644
--- a/git-shell-commands.go
+++ b/git-shell-commands.go
@@ -15,7 +15,7 @@ const codeDir = "/nezuko/code/"
 
 func checkRepoName(name string) (string, error) {
 	if strings.Contains(name, "/") {
-		return "", fmt.Errorf("invalid name %q: contains slashes")
+		return "", fmt.Errorf("invalid name %q: contains slashes", name)
 	}
 	if !strings.HasSuffix(name, ".git") {
 		name += ".git"
@@ -32,10 +32,10 @@ Create a new git repo named REPO.
 	flag.Parse()
 	args := flag.Args()
 	if len(args) == 0 {
-		return fmt.Errorf("missing positional argument")
+		return fmt.Errorf("missing positional argument\nUse create -help for usage info")
 	}
 	if len(args) > 1 {
-		return fmt.Errorf("too many positional arguments")
+		return fmt.Errorf("too many positional arguments\nUse create -help for usage info")
 	}
 	name, err := checkRepoName(args[0])
 	if err != nil {
@@ -77,10 +77,10 @@ Delete the git repo named REPO.
 	flag.Parse()
 	args := flag.Args()
 	if len(args) == 0 {
-		return fmt.Errorf("missing positional argument")
+		return fmt.Errorf("missing positional argument\nUse delete -help for usage info")
 	}
 	if len(args) > 1 {
-		return fmt.Errorf("too many positional arguments")
+		return fmt.Errorf("too many positional arguments\nUse delete -help for usage info")
 	}
 	name, err := checkRepoName(args[0])
 	if err != nil {
@@ -117,7 +117,7 @@ func main() {
 		help()
 	}
 	if err != nil {
-		fmt.Fprintf(os.Stderr, "%s\nUse %s -help for usage info\n", err, cmd)
+		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
 }