zfs-auto-snapshot-CoryAlbrecht

0001-alpine.patch

--- zfs-auto-snapshot-upstream-1.2.4/Makefile
+++ zfs-auto-snapshot-upstream-1.2.4-alpine/Makefile
@@ -3,16 +3,16 @@
 all:
 
 install:
-	install -d $(DESTDIR)/etc/cron.d
-	install -d $(DESTDIR)/etc/cron.daily
-	install -d $(DESTDIR)/etc/cron.hourly
-	install -d $(DESTDIR)/etc/cron.weekly
-	install -d $(DESTDIR)/etc/cron.monthly
-	install -m 0644 etc/zfs-auto-snapshot.cron.frequent $(DESTDIR)/etc/cron.d/zfs-auto-snapshot
-	install etc/zfs-auto-snapshot.cron.hourly   $(DESTDIR)/etc/cron.hourly/zfs-auto-snapshot
-	install etc/zfs-auto-snapshot.cron.daily    $(DESTDIR)/etc/cron.daily/zfs-auto-snapshot
-	install etc/zfs-auto-snapshot.cron.weekly   $(DESTDIR)/etc/cron.weekly/zfs-auto-snapshot
-	install etc/zfs-auto-snapshot.cron.monthly  $(DESTDIR)/etc/cron.monthly/zfs-auto-snapshot
+	install -d $(DESTDIR)/etc/periodic/15min
+	install -d $(DESTDIR)/etc/periodic/daily
+	install -d $(DESTDIR)/etc/periodic/hourly
+	install -d $(DESTDIR)/etc/periodic/weekly
+	install -d $(DESTDIR)/etc/periodic/monthly
+	install -m 0755 etc/zfs-auto-snapshot.cron.frequent $(DESTDIR)/etc/periodic/15min/zfs-auto-snapshot
+	install etc/zfs-auto-snapshot.cron.hourly   $(DESTDIR)/etc/periodic/hourly/zfs-auto-snapshot
+	install etc/zfs-auto-snapshot.cron.daily    $(DESTDIR)/etc/periodic/daily/zfs-auto-snapshot
+	install etc/zfs-auto-snapshot.cron.weekly   $(DESTDIR)/etc/periodic/weekly/zfs-auto-snapshot
+	install etc/zfs-auto-snapshot.cron.monthly  $(DESTDIR)/etc/periodic/monthly/zfs-auto-snapshot
 	install -d $(DESTDIR)$(PREFIX)/share/man/man8
 	install src/zfs-auto-snapshot.8 $(DESTDIR)$(PREFIX)/share/man/man8/zfs-auto-snapshot.8
 	install -d $(DESTDIR)$(PREFIX)/sbin

APKBUILD

# Contributor: Henrik Riomar <[email protected]>
# Maintainer: Henrik Riomar <[email protected]>
pkgname=zfs-auto-snapshot
pkgver=1.2.5
pkgrel=1
pkgdesc="ZFS Automatic Snapshot Service for Linux"
url="https://github.com/zfsonlinux/zfs-auto-snapshot"
arch="noarch !armhf !armv7" # limited by zfs
license="GPL-2.0-or-later"
depends="zfs"
checkdepends="checkbashisms"
subpackages="$pkgname-doc"
source="$pkgname-v$pkgver.tar.gz::https://github.com/CoryAlbrecht/zfs-auto-snapshot/archive/release/v$pkgver.tar.gz
	0001-alpine.patch
    whitespace-splitting-fix.patch
    changed.patch
	"
builddir="$srcdir/$pkgname-release-v$pkgver"

check() {
	checkbashisms src/zfs-auto-snapshot.sh
}

package() {
	make install PREFIX="/usr" DESTDIR="$pkgdir"
}

sha512sums="
6c226cc1862e003dc2cddde5ef554e864fa29dc84c952f598452783bee9ebe46eddf64416be237be23900bb7ae570bd7f4018445ba792194cd698a5b3cb2d17e  zfs-auto-snapshot-v1.2.5.tar.gz
0d897ce244723ad1df83d18ec268d405cad1bef991550d0058dfe926308ddc5df589c9bcd197552aad8dea7269d7a7087c2ae17c6ad4eafccc78e803c7879cc4  0001-alpine.patch
ee5a2fb2b5c5d72988b17a1531951d6ee6683daa8e62ea4ecd1617ce587e16ae938561def8078c9b694c61c5e12f3664cbba17f7c346eb842fc51335f678b19d  whitespace-splitting-fix.patch
207850a1430c2bb9414d4562834bd6f9177ead2ea80185cac9ec2057e6e567e234a1ab462c508e661f496989af1f074ba03e06331f22ed1dd9863f21dc16abf4  changed.patch
"

changed.patch

diff -ur a/etc/zfs-auto-snapshot.cron.daily b/etc/zfs-auto-snapshot.cron.daily
--- a/etc/zfs-auto-snapshot.cron.daily	2025-07-03 16:50:29.000000000 -0500
+++ b/etc/zfs-auto-snapshot.cron.daily	2026-02-17 01:53:24.880609086 -0600
@@ -2,4 +2,4 @@
 
 # Only call zfs-auto-snapshot if it's available
 which zfs-auto-snapshot > /dev/null || exit 0
-zfs-auto-snapshot --default-exclude --quiet --syslog --label=daily --keep=31 //
+zfs-auto-snapshot --default-exclude --quiet --syslog --label=daily --keep=31 --changed //
diff -ur a/etc/zfs-auto-snapshot.cron.hourly b/etc/zfs-auto-snapshot.cron.hourly
--- a/etc/zfs-auto-snapshot.cron.hourly	2025-07-03 16:50:29.000000000 -0500
+++ b/etc/zfs-auto-snapshot.cron.hourly	2026-02-17 01:54:08.514867415 -0600
@@ -2,4 +2,4 @@
 
 # Only call zfs-auto-snapshot if it's available
 which zfs-auto-snapshot > /dev/null || exit 0
-zfs-auto-snapshot --default-exclude --quiet --syslog --label=hourly --keep=24 //
\ No newline at end of file
+zfs-auto-snapshot --default-exclude --quiet --syslog --label=hourly --keep=24 --changed //
diff -ur a/etc/zfs-auto-snapshot.cron.monthly b/etc/zfs-auto-snapshot.cron.monthly
--- a/etc/zfs-auto-snapshot.cron.monthly	2025-07-03 16:50:29.000000000 -0500
+++ b/etc/zfs-auto-snapshot.cron.monthly	2026-02-17 01:54:15.899249607 -0600
@@ -2,4 +2,4 @@
 
 # Only call zfs-auto-snapshot if it's available
 which zfs-auto-snapshot > /dev/null || exit 0
-zfs-auto-snapshot --default-exclude --quiet --syslog --label=monthly --keep=12 //
+zfs-auto-snapshot --default-exclude --quiet --syslog --label=monthly --keep=12 --changed //
diff -ur a/etc/zfs-auto-snapshot.cron.weekly b/etc/zfs-auto-snapshot.cron.weekly
--- a/etc/zfs-auto-snapshot.cron.weekly	2025-07-03 16:50:29.000000000 -0500
+++ b/etc/zfs-auto-snapshot.cron.weekly	2026-02-17 01:54:21.549542049 -0600
@@ -2,4 +2,4 @@
 
 # Only call zfs-auto-snapshot if it's available
 which zfs-auto-snapshot > /dev/null || exit 0
-zfs-auto-snapshot --default-exclude --quiet --syslog --label=weekly --keep=8 //
+zfs-auto-snapshot --default-exclude --quiet --syslog --label=weekly --keep=8 --changed //
diff -ur a/etc/zfs-auto-snapshot.cron.frequent b/etc/zfs-auto-snapshot.cron.frequent
--- a/etc/zfs-auto-snapshot.cron.frequent	2026-02-17 02:17:31.454459001 -0600
+++ b/etc/zfs-auto-snapshot.cron.frequent	2026-02-17 02:15:18.399405304 -0600
@@ -1,3 +1,5 @@
-PATH="/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"
+#!/bin/sh
 
-*/15 * * * * root which zfs-auto-snapshot > /dev/null || exit 0 ; zfs-auto-snapshot --default-exclude --quiet --syslog --label=frequent --keep=4 //
+# Only call zfs-auto-snapshot if it's available
+which zfs-auto-snapshot > /dev/null || exit 0
+exec zfs-auto-snapshot --default-exclude --quiet --syslog --label=frequent --keep=4 --changed //

PKGBUILD

# Maintainer: Cody Schafer <[email protected]>
# Maintainer: Mike Swanson <[email protected]>

pkgname=zfs-auto-snapshot
pkgdesc="Implementation of a snapshotting service for ZFS"
pkgver=1.2.5
pkgrel=1
arch=('any')
url="https://github.com/CoryAlbrecht/zfs-auto-snapshot"
license=('GPL2')
depends=('systemd>=212' 'zfs')
source=("$url/archive/release/v$pkgver.tar.gz" "whitespace-splitting-fix.patch")
sha512sums=('6c226cc1862e003dc2cddde5ef554e864fa29dc84c952f598452783bee9ebe46eddf64416be237be23900bb7ae570bd7f4018445ba792194cd698a5b3cb2d17e'
            'f31f482f1def92f46b46e61e66685f50d0b789b2e5df65264b56a875c10f6c95d8e3bb0a20f2acf51fa6f394c2409f9fd94f6506ab9c53c3b90ed57ef6c76403')

prepare() {
  cd "$pkgname-release-v$pkgver"

  for patch in ../*.patch; do
    if [ ! -f "$patch" ]; then
      break;
    else
      patch -p1 -i "$patch"
    fi
  done

  mkdir -p "../systemd"
  cd "../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 $i | cut -d'|' -f3)"
    _prefix="--prefix=znap"
    cat > zfs-auto-snapshot-${_label}.service <<EOF
[Unit]
Description=ZFS $_label snapshot service

[Service]
ExecStart=$_PREFIX/bin/zfs-auto-snapshot --skip-scrub $_prefix --label=$_label --keep=$_keep --changed //
EOF

    # write timer files
    cat > 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 "$pkgname-release-v$pkgver"

  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"
}

whitespace-splitting-fix.patch

--- a/src/zfs-auto-snapshot.sh	2026-02-16 14:08:08.583544542 -0600
+++ b/src/zfs-auto-snapshot.sh	2026-02-16 14:17:47.981012208 -0600
@@ -255,7 +255,7 @@
   --longoptions=debug,help,quiet,syslog,verbose \
   --longoptions=pre-snapshot:,post-snapshot:,destroy-only \
   --longoptions=min-size: \
-  --longoptions=changed: \
+  --longoptions=changed \
   --options=dnshe:l:Lk:p:rs:qgcvm: \
   -- "$@" ) \
   || exit 128
@@ -394,6 +394,10 @@
 			shift 1
 			break
 			;;
+		(*)
+			print_log error "Unknown option or parser error near '$1'."
+			exit 140
+			;;
 	esac
 done
 
@@ -570,14 +574,16 @@
 		then
 			# Snapshot this dataset non-recursively.
 			print_log debug "Including $ii for regular snapshot."
-			TARGETS_REGULAR="${TARGETS_REGULAR:+$TARGETS_REGULAR	}$ii" # nb: \t
+				TARGETS_REGULAR="${TARGETS_REGULAR:+$TARGETS_REGULAR
+}$ii"
 			continue 2
 		# Check whether the candidate name is a prefix of any excluded dataset name.
 		elif [ "$jjj" != "${jjj#$iii}" ]
 		then
 			# Snapshot this dataset non-recursively.
 			print_log debug "Including $ii for regular snapshot."
-			TARGETS_REGULAR="${TARGETS_REGULAR:+$TARGETS_REGULAR	}$ii" # nb: \t
+				TARGETS_REGULAR="${TARGETS_REGULAR:+$TARGETS_REGULAR
+}$ii"
 			continue 2
 		fi
 	done
@@ -603,7 +609,8 @@
 	if [ -z "$opt_recursive" ]
 	then
 		print_log debug "Including $ii for regular snapshot."
-		TARGETS_REGULAR="${TARGETS_REGULAR:+$TARGETS_REGULAR	}$ii" # nb: \t
+		TARGETS_REGULAR="${TARGETS_REGULAR:+$TARGETS_REGULAR
+}$ii"
 	else
 		# Append this candidate to the recursive snapshot list because it additionally:
 		#
@@ -611,7 +618,8 @@
 		#   * Is not the descendant of an already included filesystem.
 		#
 		print_log debug "Including $ii for recursive snapshot."
-		TARGETS_RECURSIVE="${TARGETS_RECURSIVE:+$TARGETS_RECURSIVE	}$ii" # nb: \t
+		TARGETS_RECURSIVE="${TARGETS_RECURSIVE:+$TARGETS_RECURSIVE
+}$ii"
 	fi
 done