Adding upstream version 3.0~b6.
[live-boot-grml.git] / scripts / boot / 9990-misc-helpers.sh
index cc39fcb..3455045 100755 (executable)
@@ -911,7 +911,9 @@ probe_for_file_name ()
        then
                echo ${ret}
        else
+               # unmount and remove mountpoint
                umount ${backing} > /dev/null 2>&1 || true
+               rmdir ${backing} > /dev/null 2>&1 || true
        fi
 }
 
@@ -1231,7 +1233,7 @@ do_union ()
 
 get_custom_mounts ()
 {
-       # Side-effect: leaves $devices with live-persistence.conf mounted in /live/persistence
+       # Side-effect: leaves $devices with persistence.conf mounted in /live/persistence
        # Side-effect: prints info to file $custom_mounts
 
        local custom_mounts=${1}
@@ -1304,7 +1306,7 @@ get_custom_mounts ()
                        local source="${dir}"
                        if [ -n "${opt_source}" ]
                        then
-                               if echo ${opt_source} | grep -q -e "^/" -e "^\(.*/\)\?\.\.\?\(/.*\)\?$" && [ "${source}" != "." ]
+                               if echo ${opt_source} | grep -q -e "^/" -e "^\(.*/\)\?\.\.\?\(/.*\)\?$" && [ "${opt_source}" != "." ]
                                then
                                        log_warning_msg "Skipping unsafe custom mount with option source=${opt_source}: must be either \".\" (the media root) or a relative path w.r.t. the media root that contains neither comas, nor the special \".\" and \"..\" path components"
                                        continue
@@ -1440,23 +1442,23 @@ activate_custom_mounts ()
                fi
 
                # XXX: If CONFIG_AUFS_ROBR is added to the Debian kernel we can
-               # ignore the loop below and set rofs_dest_backing=$dest
-               local rofs_dest_backing=""
+               # ignore the loop below and set rootfs_dest_backing=$dest
+               local rootfs_dest_backing=""
                if [ -n "${opt_link}"]
                then
-                       for d in /live/rofs/*
+                       for d in /live/rootfs/*
                        do
                                if [ -n "${rootmnt}" ]
                                then
-                                       rofs_dest_backing="${d}/$(echo ${dest} | sed -e "s|${rootmnt}||")"
+                                       rootfs_dest_backing="${d}/$(echo ${dest} | sed -e "s|${rootmnt}||")"
                                else
-                                       rofs_dest_backing="${d}/${dest}"
+                                       rootfs_dest_backing="${d}/${dest}"
                                fi
-                               if [ -d "${rofs_dest_backing}" ]
+                               if [ -d "${rootfs_dest_backing}" ]
                                then
                                        break
                                else
-                                       rofs_dest_backing=""
+                                       rootfs_dest_backing=""
                                fi
                        done
                fi
@@ -1479,18 +1481,18 @@ activate_custom_mounts ()
                        mkdir -p ${cow_dir}
                        chown_ref "${source}" "${cow_dir}"
                        chmod_ref "${source}" "${cow_dir}"
-                       do_union ${links_source} ${cow_dir} ${source} ${rofs_dest_backing}
+                       do_union ${links_source} ${cow_dir} ${source} ${rootfs_dest_backing}
                        link_files ${links_source} ${dest} ${rootmnt}
                elif [ -n "${opt_union}" ] && [ -z "${PERSISTENCE_READONLY}" ]
                then
-                       do_union ${dest} ${source} ${rofs_dest_backing}
+                       do_union ${dest} ${source} ${rootfs_dest_backing}
                elif [ -n "${opt_bind}" ] && [ -z "${PERSISTENCE_READONLY}" ]
                then
                        mount --bind "${source}" "${dest}"
                elif [ -n "${opt_bind}" -o -n "${opt_union}" ] && [ -n "${PERSISTENCE_READONLY}" ]
                then
                        # bind-mount and union mount are handled the same
-                       # in read-only mode, but note that rofs_dest_backing
+                       # in read-only mode, but note that rootfs_dest_backing
                        # is non-empty (and necessary) only for unions
                        if [ -n "${rootmnt}" ]
                        then
@@ -1510,7 +1512,7 @@ activate_custom_mounts ()
                        mkdir -p ${cow_dir}
                        chown_ref "${source}" "${cow_dir}"
                        chmod_ref "${source}" "${cow_dir}"
-                       do_union ${dest} ${cow_dir} ${source} ${rofs_dest_backing}
+                       do_union ${dest} ${cow_dir} ${source} ${rootfs_dest_backing}
                fi
 
                PERSISTENCE_IS_ON="1"