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# Maintainer: Cody Schafer <aur@codyps.com>
# Maintainer: Mike Swanson <mikeonthecomputer@gmail.com>
pkgname=zfs-auto-snapshot
pkgdesc="Implementation of a snapshotting service for ZFS"
pkgver=1.2.1.1
pkgrel=0
arch=('any')
url="https://github.com/zfsonlinux/zfs-auto-snapshot"
license=('GPL2')
depends=('systemd>=212' 'zfs')
makedepends=('git')
source=('git+https://github.com/zfsonlinux/zfs-auto-snapshot#commit=63e4438edb618066e9cc4303df4a7c1331d26654')
sha256sums=('SKIP')
build() {
cd "$srcdir/$pkgname"
### COMMENT the following 4 lines to NOT change the snapshot name to
### @PREFIX_DATE_LABEL instead of @PREFIX-LABEL_DATE
### (the following makes the snapshots nicely sorted by time)
sed -r -i \
-e 's@^(SNAPNAME="\$)(opt_prefix)(.*)-\$DATE@\1{\2}_$DATE\3@' \
-e 's@^(SNAPGLOB="\$)(opt_prefix)(.*})([?]+)@\1{\2}\4\3@' \
src/zfs-auto-snapshot.sh
mkdir -p systemd
### "Label|NumberOfKeptSnapshots|systemd-timer-spec" of snapshots,
### eg. timer and service files, being created adjust/extend if required
declare -a arr=(
"frequent|4|*:0/15"
"hourly|24|hourly"
"daily|31|daily"
"weekly|8|weekly"
"monthly|12|monthly")
for i in "${arr[@]}"
do
_label="$(echo $i | cut -d'|' -f1)"
_keep="$(echo $i | cut -d'|' -f2)"
_OnCalendarSpec="$(echo $i | cut -d'|' -f3)"
_prefix="--prefix=znap"
cat > systemd/zfs-auto-snapshot-${_label}.service <<EOF
[Unit]
Description=ZFS $_label snapshot service
[Service]
ExecStart=$_PREFIX/bin/zfs-auto-snapshot --skip-scrub $_prefix --label=$_label --keep=$_keep //
EOF
# write timer files
cat > systemd/zfs-auto-snapshot-${_label}.timer <<EOF
# See systemd.timers and systemd.time manpages for details
[Unit]
Description=ZFS $_label snapshot timer
[Timer]
OnCalendar=$_OnCalendarSpec
Persistent=true
[Install]
WantedBy=timers.target
EOF
done
}
package() {
cd "$srcdir/$pkgname"
install -d "$pkgdir/usr/bin"
install -d "$pkgdir/usr/lib/systemd/system"
install -d "$pkgdir/usr/share/man/man8"
install -m 755 src/zfs-auto-snapshot.sh "$pkgdir/usr/bin/zfs-auto-snapshot"
install -m 644 src/zfs-auto-snapshot.8 "$pkgdir/usr/share/man/man8"
install -m 644 systemd/* "$pkgdir/usr/lib/systemd/system"
}
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