Mercurial > repos > other > usr-local-bin
annotate umount-crypt @ 27:c7621908cb47
Try to manage disk usage for backup
| author | IBBoard <dev@ibboard.co.uk> |
|---|---|
| date | Sat, 07 Mar 2020 16:37:38 +0000 |
| parents | 14e726efe9b0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 #! /bin/bash |
| 2 | |
| 3 if [ $# -ne 1 ]; then | |
| 4 echo "Usage: $0 <filename>" >&2 | |
| 5 exit 1 | |
| 6 fi | |
| 7 | |
| 8 if [ ! -d "$1" ]; then | |
| 9 echo "Directory doesn't exist" >&2 | |
| 10 exit 2 | |
| 11 fi | |
| 12 | |
| 13 ARG=${1%/} | |
| 14 LOOP_DEV=${ARG##*/} | |
| 15 | |
| 16 if [ ! -d "/media/$LOOP_DEV" -o ! -b "/dev/mapper/$LOOP_DEV" ]; then | |
| 17 echo "Not a crypto loop" >&2 | |
| 18 exit 3 | |
| 19 fi | |
| 20 | |
|
5
14e726efe9b0
Change from sudo (which may record command) to su, since we're mounting something private/encrypted
IBBoard <dev@ibboard.co.uk>
parents:
0
diff
changeset
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21 su -c "umount \"/media/$LOOP_DEV\" && rmdir \"/media/$LOOP_DEV\" && cryptsetup luksClose \"/dev/mapper/$LOOP_DEV\" && losetup -d \"/dev/$LOOP_DEV\"" |