apkgrel: optionally bump pkgrel when git is unclean

apkgrel.in

@@ -14,6 +14,10 @@ do_set() {
 do_add () {
 	local f= old=
 	for f in "$@"; do
+		[ -n "$only_clean_git" ] \
+			&& [ -n "$(git diff --name-only $f)" ] \
+			&& continue
+		[ -d "$f" ] && f="$f/APKBUILD"
 		old=$(do_show "$f")
 		setto=$(($old + 1))
 		do_set "$f" || return 1
@@ -22,12 +26,15 @@ do_add () {
 
 do_verify() {
 	[ -n "$force" ] && return 0
-	if ! grep -q '^pkgrel=[0-9]' "$@"; then
-		echo "The following files does not have proper pkgrel:" >&2
-		grep -L '^pkgrel=[0-9]' "$@" >&2
-		return 1
-	fi
-	return 0
+	local f= rc=0
+	for f in "$@"; do
+		[ -d "$f" ] && f="$f/APKBUILD"
+		if ! grep -q '^pkgrel=[0-9]' "$f"; then
+			echo "$f: Has no proper pkgrel" >&2
+			rc=1
+		fi
+	done
+	return $rc
 }
 
 do_nothing() {
@@ -39,6 +46,7 @@ do_usage() {
 Usage: $program -a|-h|-s NUM|-t|-z [-f] FILE...
 Commands:
   -a  Add 1 to current pkgrel
+  -g  Only do the change on files that have clean git status
   -h  Show this help
   -s  Set pkgrel to NUM
   -t  Only verify that files are in proper format
@@ -52,9 +60,10 @@ __EOF__
 
 cmd=do_show
 force=
-while getopts "afhs:tz" opt; do
+while getopts "afghs:tz" opt; do
 	case $opt in
 	a) cmd=do_add;;
+	g) only_clean_git=1;;
 	f) force=1;;
 	h) cmd=do_usage;;
 	s) setto=$OPTARG; cmd=do_set;;