[pacman-dev] [RFC v2 01/13] pacdiff: proper option handling

[Gordian Edenhofer]

Switch to parseopts.

Signed-off-by: Gordian Edenhofer <gordian.edenhofer at gmail.com>
---
 contrib/pacdiff.sh.in | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/contrib/pacdiff.sh.in b/contrib/pacdiff.sh.in
index dff2115..cd93164 100644
--- a/contrib/pacdiff.sh.in
+++ b/contrib/pacdiff.sh.in
@@ -30,6 +30,7 @@ declare -a oldsaves
 declare -i USE_FIND=0 USE_LOCATE=0 USE_PACDB=0 OUTPUTONLY=0
 
 m4_include(../scripts/library/output_format.sh)
+m4_include(../scripts/library/parseopts.sh)
 
 usage() {
 	cat <<EOF
@@ -94,7 +95,17 @@ cmd() {
 	fi
 }
 
-while [[ -n "$1" ]]; do
+# Parse arguments
+OPT_SHORT='lfpoVh'
+OPT_LONG=('locate' 'find' 'pacmandb' 'output' 'nocolor' 'version' 'help')
+if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then
+	usage
+	exit 1
+fi
+set -- "${OPTRET[@]}"
+unset OPT_SHORT OPT_LONG OPTRET
+
+while :; do
 	case "$1" in
 		-l|--locate)
 			USE_LOCATE=1;;
@@ -107,11 +118,14 @@ while [[ -n "$1" ]]; do
 		--nocolor)
 			USE_COLOR='n';;
 		-V|--version)
-			version; exit 0;;
+			version
+			exit 0;;
 		-h|--help)
-			usage; exit 0;;
-		*)
-			usage; exit 1;;
+			usage
+			exit 0;;
+		--)
+			shift
+			break 2;;
 	esac
 	shift
 done
-- 
2.10.0