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| author | Marco Amadori <marco.amadori@gmail.com> | 2008-09-28 00:07:22 +0200 |
|---|---|---|
| committer | Daniel Baumann <daniel@debian.org> | 2011-03-09 17:48:02 +0100 |
| commit | 6fd3b2db8ca683513709560744aebd4cff3d378d (patch) | |
| tree | e0875b29670eedf11114c0a38624c1a1d1c50a65 /bin | |
| parent | 990480f58dde1722f8ab87514b4443c1ea418b85 (diff) | |
| download | live-boot-6fd3b2db8ca683513709560744aebd4cff3d378d.tar.gz live-boot-6fd3b2db8ca683513709560744aebd4cff3d378d.zip | |
Implemented a snapshot exclude list.
* This finally enables one of the most requested feature to exclude
things like disk caches and temporary files from the snapshots, just
by editing "/etc/live-snapshot.exclude_list".
This only works for cpio targets and for squashfs creations.
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/live-snapshot | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/bin/live-snapshot b/bin/live-snapshot index 5606436..5a7b979 100755 --- a/bin/live-snapshot +++ b/bin/live-snapshot @@ -63,6 +63,7 @@ SNAP_OUTPUT="" SNAP_RESYNC_STRING="" SNAP_TYPE="cpio" SNAP_LIST="/etc/live-snapshot.list" +EXCLUDE_LIST="/etc/live-snapshot.exclude_list" Error () { @@ -392,6 +393,13 @@ Do_snapshot () # Removing whiteheads of unionfs cd "${SNAP_COW}" find . -name '*.wh.*' >> "${TMP_FILELIST}" + + if [ -e "${EXCLUDE_LIST}" ] + then + # Add explicitly excluded files + cat "${EXCLUDE_LIST}" | grep -v '^#.*$' | grep -v '^ *$' >> "${TMP_FILELIST}" + fi + cd "${OLDPWD}" mksquashfs "${SNAP_COW}" "${DEST}" -ef "${TMP_FILELIST}" ;; @@ -399,10 +407,18 @@ Do_snapshot () cpio) WORKING_DIR=$(Do_filelist "${TMP_FILELIST}") cd "${WORKING_DIR}" - cat "${TMP_FILELIST}" | cpio --quiet -o0 -H newc | gzip -9c > "${DEST}" || exit 1 + if [ -e "${EXCLUDE_LIST}" ] + then + # Convert \0 to \n and tag existing (rare but possible) \n in filenames, + # this to let grep -F -v do a proper work in filtering out + cat "${TMP_FILELIST}" | tr '\n' '\1' | tr '\0' '\n' | grep -F -v -f "${EXCLUDE_LIST}" | tr '\n' '\0' | tr '\1' '\n' | cpio --quiet -o0 -H newc | gzip -9c > "${DEST}" || exit 1 + else + cat "${TMP_FILELIST}" | cpio --quiet -o0 -H newc | gzip -9c > "${DEST}" || exit 1 + fi cd "${OLDPWD}" ;; + # ext2|ext3 and jffs2 does not support easely an exclude list, files should be copied in another directory in order to filter content ext2|ext3) DU_DIM="$(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... |