Adding ext4 support.

[live-boot-grml.git] / bin / live-snapshot

diff --git a/bin/live-snapshot b/bin/live-snapshot
index 3d4efad..d942c90 100755 (executable)
--- a/bin/live-snapshot
+++ b/bin/live-snapshot
@@ -99,7 +99,7 @@ Help ()
        echo "  -o, --output: output image file (default: ${DEST})."
        echo "  -r, --resync-string: internally used to resync previous made snapshots."
        echo "  -f, --refresh: try to sync a running snapshot."
-       echo "  -t, --type: snapshot filesystem type. Options: \"squashfs\", \"ext2\", \"ext3\", \"jffs2\" or \"cpio\".gz archive (default: ${SNAP_TYPE})"
+       echo "  -t, --type: snapshot filesystem type. Options: \"squashfs\", \"ext2\", \"ext3\", \"ext4\", \"jffs2\" or \"cpio\".gz archive (default: ${SNAP_TYPE})"
        echo
        echo "Look at live-snapshot(1) man page for more information."
 
@@ -257,6 +257,11 @@ Defaults ()
                        ""|*.ext2|*.ext3)
                                SNAP_TYPE="ext2"
                                ;;
+
+                       *.ext4)
+                               SNAP_TYPE="ext4"
+                               ;;
+
                        *)
                                Error "unrecognized resync string"
                                ;;
@@ -276,6 +281,10 @@ Defaults ()
                        ext3)
                                DEST="${MOUNTP}/live-sn.ext2"
                                ;;
+
+                       ext4)
+                               DEST="${MOUNTP}/live-sn.ext4"
+                               ;;
                esac
        else
                DEST="${SNAP_OUTPUT}"
@@ -285,7 +294,7 @@ Defaults ()
 Validate_input ()
 {
        case "${SNAP_TYPE}" in
-               cpio|squashfs|jffs2|ext2|ext3)
+               cpio|squashfs|jffs2|ext2|ext3|ext4)
                        ;;
 
                *)
@@ -427,9 +436,9 @@ Do_snapshot ()
                        cd "${OLDPWD}"
                        ;;
 
-               # ext2|ext3 and jffs2 does not easily support an exclude list; files
+               # ext2|ext3|ext4 and jffs2 does not easily support an exclude list; files
                # should be copied to another directory in order to filter content
-               ext2|ext3)
+               ext2|ext3|ext4)
                        DU_DIM="$(du -ks ${SNAP_COW} | cut -f1)"
                        REAL_DIM="$(expr ${DU_DIM} + ${DU_DIM} / 20)" # Just 5% more to be sure, need something more sophistcated here...
                        genext2fs --size-in-blocks=${REAL_DIM} --reserved-percentage=0 --root="${SNAP_COW}" "${DEST}"
@@ -462,7 +471,7 @@ Warn_user ()
        if [ -z "${SNAP_RESYNC_STRING}" ]
        then
                case ${SNAP_TYPE} in
-                       cpio|ext2|ext3)
+                       cpio|ext2|ext3|ext4)
                                echo "Please move ${DEST} (if is not already in it)" > /dev/null 1>&2
                                echo "in a supported writable partition (e.g ext3, vfat)." > /dev/null 1>&2
                                ;;