debvm-waitssh: standardize option parser

An option --foo is handled by opt_foo.

1 files changed, 10 insertions, 10 deletions

diff --git a/debvm-waitssh b/debvm-waitssh
index 32db862..246db17 100755
--- a/debvm-waitssh
+++ b/debvm-waitssh
@@ -81,22 +81,25 @@ usage_error() {
 	usage
 }
 
+opt_help() {
+	# shellcheck disable=SC2317 # not dead, called as "opt_$OPTARG"
+	usage
+}
+opt_quiet() {
+	VERBOSITY=0
+}
 opt_timeout() {
 	TOTALTIMEOUT=$1
 }
 
-opt_verbosity() {
-	VERBOSITY=$1
-}
-
 while getopts :qt:-: OPTCHAR; do
 	case "$OPTCHAR" in
-		q)	opt_verbosity 0;;
+		q)	opt_quiet		;;
 		t)	opt_timeout "$OPTARG"	;;
 		-)
 			case "$OPTARG" in
-				help)
-					usage
+				help|quiet)
+					"opt_$OPTARG"
 				;;
 				timeout)
 					test "$OPTIND" -gt "$#" && usage_error "missing argument for --$OPTARG"
@@ -106,9 +109,6 @@ while getopts :qt:-: OPTCHAR; do
 				timeout=)
 					"opt_${OPTARG%%=*}" "${OPTARG#*=}"
 				;;
-				quiet)
-					opt_verbosity 0
-				;;
 				*)
 					usage_error "unrecognized option --$OPTARG"
 				;;