abuild: -k option for keeping built packages

abuild

@@ -383,7 +383,11 @@ up2date() {
 	local pkg="$PKGDEST/$pkgname-$pkgver-r$pkgrel.apk"
 	local i s
 	cd "$startdir"
-	[ -f "$pkg" ] || return 1
+	for i in $pkgname $subpackages; do
+		[ -f "$PKGDEST/$pkgname-$pkgver-r$pkgrel.apk" ] || return 1
+	done
+	[ -n "$keep" ] && return 0
+
 	for i in $source APKBUILD; do
 		local s
 		if is_remote "$i"; then
@@ -527,6 +531,7 @@ usage() {
 	echo " -f  Force specified cmd, even if they are already done"
 	echo " -h  Show this help"
 	echo " -i  Install PKG after successul build"
+	echo " -k  Keep built packages, even if APKBUILD or sources are newer"
 	echo " -q  Quiet"
 	echo " -r  Recursively build and install missing dependencies (using sudo)"
 	echo " -u  Recursively build and upgrade dependencies (using sudo)"
@@ -555,11 +560,12 @@ APKBUILD="${APKBUILD:-./APKBUILD}"
 
 unset force
 unset recursive
-while getopts "fhi:qru" opt; do
+while getopts "fhi:kqru" opt; do
 	case $opt in
 		'f') force=1;;
 		'h') usage;;
 		'i') install_after="$install_after $OPTARG";;
+		'k') keep=1;;
 		'q') quiet=1;;
 		'r') recursive=1;;
 		'u') upgrade=1