Adding patch from Thierry Walrant <debian.tgc@walrant.net> to allow setting a path...

[live-boot-grml.git] / scripts / live-helpers

diff --git a/scripts/live-helpers b/scripts/live-helpers
index 8875248..8970834 100644 (file)
--- a/scripts/live-helpers
+++ b/scripts/live-helpers
@@ -299,6 +299,13 @@ find_cow_device ()
        cow_backing="/${pers_label}-backing"
        black_listed_devices="${2}"
 
+       if [ -z "${PERSISTENT_PATH}" ]
+       then
+               pers_fpath=${cow_backing}/${pers_label}
+       else
+               pers_fpath=${cow_backing}/${PERSISTENT_PATH}/${pers_label}
+       fi
+
        for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram | grep -v fd)
        do
                for dev in $(subdevices "${sysblock}")
@@ -332,9 +339,9 @@ find_cow_device ()
                                                break
                                        fi
 
-                                       if [ -f "${cow_backing}/${pers_label}" ]
+                                       if [ -f "${pers_fpath}" ]
                                        then
-                                               echo $(setup_loop "${cow_backing}/${pers_label}" "loop" "/sys/block/loop*")
+                                               echo $(setup_loop "${pers_fpath}" "loop" "/sys/block/loop*")
                                                return 0
                                        else
                                                umount ${cow_backing}