From d43684cd901b4a6d6e9c1439e762bd06d3b16f4a Mon Sep 17 00:00:00 2001
From: Asger Hautop Drewsen <asgerdrewsen@gmail.com>
Date: Tue, 16 Jul 2019 12:09:25 +0200
Subject: [PATCH] Show usage on getopt.Getopts error

---
 aerc.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/aerc.go b/aerc.go
index dafdd22..40e6605 100644
--- a/aerc.go
+++ b/aerc.go
@@ -92,11 +92,16 @@ var (
 	Version  string
 )
 
+func usage() {
+	log.Fatal("Usage: aerc [-v]")
+}
+
 func main() {
 	// TODO: Support starting with mailto links, ad-hoc accounts, etc
 	opts, optind, err := getopt.Getopts(os.Args, "v")
 	if err != nil {
-		panic(err)
+		log.Print(err)
+		usage()
 	}
 	for _, opt := range opts {
 		switch opt.Option {
@@ -106,7 +111,7 @@ func main() {
 		}
 	}
 	if optind != len(os.Args) {
-		log.Fatal("Usage: aerc [-v]")
+		usage()
 	}
 
 	var (