main/openrc: fix and cleanup modloop initd

- fix mounting of modloop
- drop support for .cmg
- if modloop=/path/file boot option specified but file does not exist,
  then fail instead of searching for fallback

1 files changed, 10 insertions, 14 deletions

diff --git a/main/openrc/modloop.initd b/main/openrc/modloop.initd
index ec5269744..e26bdcbb4 100644
--- a/main/openrc/modloop.initd
+++ b/main/openrc/modloop.initd
@@ -73,17 +73,17 @@ find_media() {
 }
 
 start() {
-	local modloop= mount_opts= modloop_mounted= modloop_dldir="/lib"
+	local modloop= mount_opts= modloop_dldir="/lib"
 
 	find_media
 
 	case "$KOPT_modloop" in
 		http://*|https://|ftp://*)
 			wget -P "$modloop_dldir" "$KOPT_modloop" \
-				&& modloop=$modloop_dldir/$(basename $KOPT_modloop)
+				&& modloop=$modloop_dldir/${KOPT_modloop##/*}
 			;;
 		*)
-			if [ -z "$alpine_dev" ] ; then
+			if [ -z "$alpine_dev" ]; then
 				return 0
 			fi
 			if [ -z "$alpine_mounted" ]; then
@@ -93,21 +93,17 @@ start() {
 				eend $? || return 1
 			fi
 			for modloop in ${alpine_mnt}$KOPT_modloop \
-				${alpine_mnt}$KOPT_BOOT_IMAGE.modloop.* \
-				${alpine_mnt}$KOPT_BOOT_IMAGE.cmg; do
-			[ -f "$modloop" ] || continue
+				${alpine_mnt}$KOPT_BOOT_IMAGE.modloop.*; do
+
+				[ -f "$modloop" -o -n "$KOPT_modloop" ] && break
 			done
 			;;
 	esac
 
-	if [ -f "$modloop" ]; then
-		ebegin "Mounting modloop $modloop"
-		mkdir -p /.modloop /lib
-		mount -o loop,ro $fs_opt $modloop /.modloop \
-			&& modloop_mounted=1
-		eend $? || return 1
-	fi
-	[ "$modloop_mounted" = "1" ] || return 1
+	ebegin "Mounting modloop $modloop"
+	mkdir -p /.modloop /lib
+	mount -o loop,ro $fs_opt $modloop /.modloop
+	eend $? || return 1
 
 	#use unionfs is available and configured
 	if grep -q -w "unionfs$" /proc/filesystems && [ -n "$unionfs_size" ]; then