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| author |   Eric Hameleers <alien@slackware.com> | 2024-04-03 21:28:47 +0200 |
|---|---|---|
| committer | Eric Hameleers <alien@slackware.com> | 2024-04-03 21:28:47 +0200 |
| commit | 97c5a5f9b3e6bbb7748dbf256dc7b6f71c167aa1 (patch) | |
| tree | 73847beee35c57a1a42e521fa00c1bc46aa91640 /upslak.sh | |
| parent | 275c5cec36e186d4246f51e351296f164e38dbdf (diff) | |
| download | liveslak-97c5a5f9b3e6bbb7748dbf256dc7b6f71c167aa1.tar.gz liveslak-97c5a5f9b3e6bbb7748dbf256dc7b6f71c167aa1.tar.xz | |
upslak.sh : prevent loss of persistent data in case of insufficient space
Thanks to Peter Sevens for reporting and showing an example.
Diffstat (limited to 'upslak.sh')
| -rw-r--r-- | upslak.sh | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -1280,7 +1280,19 @@ if [ $CHANGES2SXZ -eq 1 ]; then echo "*** Unable to create file '/mnt/live/changes/.wipe'!" echo "*** Are you sure you are running ${DISTRO^} Live Edition?" else - # Squash the persistence data into a Live .sxz module: + # Squash the persistence data into a Live .sxz module, + # but only if we find the space to do so: + CHANGESSIZE=$(du -sm /mnt/live/changes/ |tr '\t' ' ' |cut -d' ' -f1) + if [ $(( $USBPFREE - $CHANGESSIZE )) -lt $MINFREE ]; then + CHANGES2SXZ=-1 + fi + if [ $CHANGES2SXZ -eq -1 ]; then + echo "*** Not enough space to squash persistence data into a module." + # Don't wipe persistence data on next boot! + rm -f /mnt/live/changes/.wipe + cleanup + exit 1 + fi LIVE_MOD_SYS=$(dirname $(find ${USBMNT} -name "0099-${DISTRO}_zzzconf*.sxz" |head -1)) LIVE_MOD_ADD=$(dirname ${LIVE_MOD_SYS})/addons MODNAME="0100-${DISTRO}_customchanges-$(date +%Y%m%d%H%M%S).sxz" |