diff options
Diffstat (limited to 'bin/live-snapshot')
| -rwxr-xr-x | bin/live-snapshot | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/bin/live-snapshot b/bin/live-snapshot index c50bcc0..b5a7fa4 100755 --- a/bin/live-snapshot +++ b/bin/live-snapshot @@ -2,7 +2,7 @@ # live-snapshot - utility to manage Debian Live systems snapshots # -# This program mount a device (fallback to /tmpfs under /mnt/snapshot +# This program mount a device (fallback to /tmpfs under $MOUNTP # and save the /live/cow (or a different dir) filesystem in it for reusing # in another live-initramfs session. Look at manpage for more info. # @@ -36,7 +36,11 @@ export USERNAME USERFULLNAME HOSTNAME PROGRAM="$(basename $0)" VERSION=0.0.2 -MOUNTP="/mnt/live-snapshot" +# Needs to be available at run and reboot time +SAFE_TMPDIR="/live" + +# Permits multiple runs +MOUNTP="$(mktemp -d -p ${SAFE_TMPDIR} live-snapshot-mnt.XXXXXX)" SNAP_COW="/live/cow" SNAP_DEV="" DEST="${MOUNTP}/live-sn.cpio.gz" @@ -289,10 +293,13 @@ Do_snapshot () { case "${SNAP_TYPE}" in squashfs) - echo "./tmp/exclude_list" > /tmp/exclude_list - ( cd "${SNAP_COW}" && find . -name '*.wh.*' >> /tmp/exclude_list ) - mksquashfs "${SNAP_COW}" "${DEST}" -ef /tmp/exclude_list - rm /tmp/exclude_list + EXCLUDE_LIST="$(mktemp -p ${SAFE_TMPDIR} live-snapshot-exclude-list.XXXXXX)" + echo "./${EXCLUDE_LIST}" > "${EXCLUDE_LIST}" + cd "${SNAP_COW}" + find . -name '*.wh.*' >> "${EXCLUDE_LIST}" + cd "${OLDPWD}" + mksquashfs "${SNAP_COW}" "${DEST}" -ef "${EXCLUDE_LIST}" + rm -f "${EXCLUDE_LIST}" ;; cpio) |