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make sure defaults are set if user removes options

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This commit is contained in:
James Barnett 2016-04-25 12:36:37 -05:00
parent 8194b4ac7b
commit 33efa4484d
3 changed files with 16 additions and 4 deletions
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6
README.md
View file

@ -28,6 +28,12 @@ AUR](https://aur.archlinux.org/packages/snap-pac/).
After installation, the hooks are located at `/usr/share/libalpm/hooks`, and the
scripts are located at `/usr/share/libalpm/hooks.bin/snap-pac`.
## Configuration
The configuration file is located at `/etc/snap-pac.conf`. There you can choose
which snapper configurations of which to take snapshots, the descriptions used
for the snapshots, and the snapper algorithm to use.
## Usage
### Taking snapshots

7
snapper-post
View file

@ -22,11 +22,14 @@
source /etc/snap-pac.conf
cleanupalgo=${CLEANUP_ALGORITHM:-"number"}
description=${POST_DESCRIPTION:-"$(ps -C pacman -o args=)"}
configurations=${CONFIGS:-"root"}
PREFILE_PREFIX="/usr/share/libalpm/hooks.bin/snap-pac/.pre"
for x in $CONFIGS; do
for x in $configurations; do
if [ -f $PREFILE_PREFIX"_"$x ]; then
SNAPPERPACPRE=$(cat $PREFILE_PREFIX"_"$x)
snapper --config $x create --cleanup-algorithm $CLEANUP_ALGORITHM --type post --pre-number $SNAPPERPACPRE --description "$PRE_DESCRIPTION"
snapper --config $x create --cleanup-algorithm $cleanupalgo --type post --pre-number $SNAPPERPACPRE --description "$description"
rm $PREFILE_PREFIX"_"$x
else
echo "WARNING: $PREFILE_PREFIX"_"$x does not exist, so not performing post snapshot. If you are initially installing snap-pac, this is normal."

7
snapper-pre
View file

@ -22,7 +22,10 @@
source /etc/snap-pac.conf
cleanupalgo=${CLEANUP_ALGORITHM:-"number"}
description=${PRE_DESCRIPTION:-"$(ps -C pacman -o args=)"}
configurations=${CONFIGS:-"root"}
PREFILE_PREFIX="/usr/share/libalpm/hooks.bin/snap-pac/.pre"
for x in $CONFIGS; do
snapper --config $x create --type pre --cleanup-algorithm $CLEANUP_ALGORITHM --print-number --description "$POST_DESCRIPTION" > $PREFILE_PREFIX"_"$x
for x in $configurations; do
snapper --config $x create --type pre --cleanup-algorithm $cleanupalgo --print-number --description "$description" > $PREFILE_PREFIX"_"$x
done