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check if root runs script

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This commit is contained in:
James Barnett 2016-04-26 12:00:57 -05:00
parent deb7d862ed
commit fbb7c5ae81
2 changed files with 11 additions and 3 deletions
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1
10_snapper-pre.hook
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@ -28,3 +28,4 @@ Description = snapper pre snapshot
Depends = snapper Depends = snapper
When = PreTransaction When = PreTransaction
Exec = /usr/share/libalpm/hooks.bin/snap-pac/snap-pac pre Exec = /usr/share/libalpm/hooks.bin/snap-pac/snap-pac pre
AbortOnFail

13
snap-pac
View file

@ -22,9 +22,14 @@
set -e set -e
if [[ $EUID -ne 0 ]]; then
echo "ERROR: Script must be run as root."
exit 1
fi
if [[ "$1" != "pre" ]] && [[ "$1" != "post" ]]; then if [[ "$1" != "pre" ]] && [[ "$1" != "post" ]]; then
echo "ERROR: First argument should either be 'pre' or 'post'." echo "ERROR: First argument should either be 'pre' or 'post'."
exit exit 1
fi fi
declare -r pre_or_post=$1 declare -r pre_or_post=$1
@ -49,12 +54,12 @@ for x in $configurations; do
if [[ "$pre_or_post" == "pre" ]]; then if [[ "$pre_or_post" == "pre" ]]; then
snapper --config $x create --type pre --cleanup-algorithm $cleanupalgo --print-number --description "$pre_description" > $prefile_prefix"_"$x snapper --config $x create --type $pre_or_post --cleanup-algorithm $cleanupalgo --print-number --description "$pre_description" > $prefile_prefix"_"$x
elif [[ "$pre_or_post" == "post" ]]; then elif [[ "$pre_or_post" == "post" ]]; then
if [ -f $prefile_prefix"_"$x ]; then if [ -f $prefile_prefix"_"$x ]; then
snapper --config $x create --cleanup-algorithm $cleanupalgo --type post --pre-number $(cat $prefile_prefix"_"$x) --description "$post_description" snapper --config $x create --type $pre_or_post --cleanup-algorithm $cleanupalgo --pre-number $(cat $prefile_prefix"_"$x) --description "$post_description"
rm $prefile_prefix"_"$x rm $prefile_prefix"_"$x
else else
echo "WARNING: $prefile_prefix"_"$x does not exist, so no post snapshot will be taken. If you are initially installing snap-pac, this is normal." echo "WARNING: $prefile_prefix"_"$x does not exist, so no post snapshot will be taken. If you are initially installing snap-pac, this is normal."
@ -65,3 +70,5 @@ for x in $configurations; do
fi fi
done done
exit