Adding upstream version 4.0~a10.

[live-boot-grml.git] / scripts / boot / 9990-misc-helpers.sh

diff --git a/scripts/boot/9990-misc-helpers.sh b/scripts/boot/9990-misc-helpers.sh
index cb3940b..83b822d 100755 (executable)
--- a/scripts/boot/9990-misc-helpers.sh
+++ b/scripts/boot/9990-misc-helpers.sh
@@ -2,21 +2,21 @@
 
 #set -e
 
-is_live_path ()
+file_pattern_matches()
 {
-       DIRECTORY="${1}"
-
-       if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
-       then
-               for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
-               do
-                       if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
-                       then
-                               return 0
-                       fi
-               done
-       fi
+       [ -e "$1" ]
+}
 
+is_live_path()
+{
+       DIRECTORY="${1}/${LIVE_MEDIA_PATH}"
+       for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs
+       do
+               if file_pattern_matches "${DIRECTORY}/"*.${FILESYSTEM}
+               then
+                       return 0
+               fi
+       done
        return 1
 }
 
@@ -62,32 +62,13 @@ get_backing_device ()
        esac
 }
 
-match_files_in_dir ()
-{
-       # Does any files match pattern ${1} ?
-       local pattern
-       pattern="${1}"
-
-       if [ "$(echo ${pattern})" != "${pattern}" ]
-       then
-               return 0
-       fi
-
-       return 1
-}
-
 mount_images_in_directory ()
 {
        directory="${1}"
        rootmnt="${2}"
        mac="${3}"
 
-       if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
-               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
-               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
-               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
-               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
-               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
+       if is_live_path "${directory}"
        then
                [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
                setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
@@ -1482,7 +1463,7 @@ activate_custom_mounts ()
                # ignore the loop below and set rootfs_dest_backing=$dest
                local rootfs_dest_backing
                rootfs_dest_backing=""
-               if [ -n "${opt_link}" ]
+               if [ -n "${opt_link}" ] || [ -n "${opt_union}" ]
                then
                        for d in /live/rootfs/*
                        do