Transforming link targets so they work after the mount was moved (Closes: #702421).

[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 2509c90..cb3940b 100755 (executable)
--- a/scripts/boot/9990-misc-helpers.sh
+++ b/scripts/boot/9990-misc-helpers.sh
@@ -100,16 +100,7 @@ is_nice_device ()
 {
        sysfs_path="${1#/sys}"
 
-       if [ -e /lib/udev/path_id ]
-       then
-               # squeeze
-               PATH_ID="/lib/udev/path_id"
-       else
-               # wheezy/sid (udev >= 174)
-               PATH_ID="/sbin/udevadm test-builtin path_id"
-       fi
-
-       if ${PATH_ID} "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|sas|scsi|usb|virtio)|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci)"
+       if /sbin/udevadm test-builtin path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|sas|scsi|usb|virtio)|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci)"
        then
                return 0
        elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
@@ -617,7 +608,7 @@ load_keymap ()
        # Load custom keymap
        if [ -x /bin/loadkeys -a -r /etc/boottime.kmap.gz ]
        then
-               loadkeys /etc/boottime.kmap.gz
+               loadkeys --quiet /etc/boottime.kmap.gz
        fi
 }
 
@@ -1149,12 +1140,12 @@ link_files ()
        # is non-empty, remove mask from all source paths when
        # creating links (will be necessary if we change root, which
        # live-boot normally does (into $rootmnt)).
-       local src_dir dest_dir src_mask
+       local src_dir dest_dir src_transform
 
        # remove multiple /:s and ensure ending on /
        src_dir="$(trim_path ${1})/"
        dest_dir="$(trim_path ${2})/"
-       src_mask="${3}"
+       src_transform="${3}"
 
        # This check can only trigger on the inital, non-recursive call since
        # we create the destination before recursive calls
@@ -1181,12 +1172,12 @@ link_files ()
                                chown_ref "${src}" "${dest}"
                                chmod_ref "${src}" "${dest}"
                        fi
-                       link_files "${src}" "${dest}" "${src_mask}"
+                       link_files "${src}" "${dest}" "${src_transform}"
                else
                        final_src=${src}
-                       if [ -n "${src_mask}" ]
+                       if [ -n "${src_transform}" ]
                        then
-                               final_src="$(echo ${final_src} | sed "s|^${src_mask}||")"
+                               final_src="$(echo ${final_src} | sed "${src_transform}")"
                        fi
                        rm -rf "${dest}" 2> /dev/null
                        ln -s "${final_src}" "${dest}"
@@ -1491,7 +1482,7 @@ activate_custom_mounts ()
                # ignore the loop below and set rootfs_dest_backing=$dest
                local rootfs_dest_backing
                rootfs_dest_backing=""
-               if [ -n "${opt_link}"]
+               if [ -n "${opt_link}" ]
                then
                        for d in /live/rootfs/*
                        do
@@ -1511,7 +1502,7 @@ activate_custom_mounts ()
                local cow_dir links_source
                if [ -n "${opt_link}" ] && [ -z "${PERSISTENCE_READONLY}" ]
                then
-                       link_files ${source} ${dest} ${rootmnt}
+                       link_files ${source} ${dest} "s|^/live/|/lib/live/mount/|"
                elif [ -n "${opt_link}" ] && [ -n "${PERSISTENCE_READONLY}" ]
                then
                        mkdir -p ${rootmnt}/lib/live/mount/persistence
@@ -1528,7 +1519,7 @@ activate_custom_mounts ()
                        chown_ref "${source}" "${cow_dir}"
                        chmod_ref "${source}" "${cow_dir}"
                        do_union ${links_source} ${cow_dir} ${source} ${rootfs_dest_backing}
-                       link_files ${links_source} ${dest} ${rootmnt}
+                       link_files ${links_source} ${dest} "s|^${rootmnt}||"
                elif [ -n "${opt_union}" ] && [ -z "${PERSISTENCE_READONLY}" ]
                then
                        do_union ${dest} ${source} ${rootfs_dest_backing}
@@ -1566,32 +1557,6 @@ activate_custom_mounts ()
        echo ${used_devices}
 }
 
-fix_backwards_compatibility ()
-{
-       local device dir opt backing include_list
-       device=${1}
-       dir=${2}
-       opt=${3}
-
-       if [ -n "${PERSISTENCE_READONLY}" ]
-       then
-               return
-       fi
-
-       backing="$(mount_persistence_media ${device})"
-       if [ -z "${backing}" ]
-       then
-               return
-       fi
-
-       include_list="${backing}/${persistence_list}"
-       if [ ! -r "${include_list}" ] && [ ! -r "${backing}/${old_persistence_list}" ]
-       then
-               echo "# persistence backwards compatibility:
-${dir} ${opt},source=." > "${include_list}"
-       fi
-}
-
 is_mountpoint ()
 {
        directory="$1"