Don't panic if you call lucifer with no arguments

kevinburke · Jun 8, 2015 · 8bd2753 · 8bd2753
1 parent 1a41cbe
commit 8bd2753
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lucifer/main.go b/lucifer/main.go
@@ -168,6 +168,9 @@ func main() {
 	grepHelp := "Grep for the given pattern"
 	grep := runflags.String("grep", "", grepHelp)
 	runflags.StringVar(grep, "g", "", grepHelp+" (shorthand)")
+	if len(os.Args) < 2 {
+		usage()
+	}
 	switch os.Args[1] {
 	case "invalidate":
 		err := invalidateflags.Parse(os.Args[2:])