From 56147b45320723e314f107e4c4c04ed3fcdd776b Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Sun, 15 May 2016 21:08:10 +0200
Subject: add systemd service and timer

This add systemd service file and timer. To enable the timer:

$ systemctl enable etckeeper.timer

When enabled the timer will auto-commit 15 minutes after system boot and
every 24 hours afer that.

Signed-off-by: Christian Hesse <mail@eworm.de>
---
 Makefile                  |  4 ++++
 systemd/etckeeper         | 19 +++++++++++++++++++
 systemd/etckeeper.service | 12 ++++++++++++
 systemd/etckeeper.timer   | 10 ++++++++++
 4 files changed, 45 insertions(+)
 create mode 100755 systemd/etckeeper
 create mode 100644 systemd/etckeeper.service
 create mode 100644 systemd/etckeeper.timer

diff --git a/Makefile b/Makefile
index 640e1e8..206e44c 100644
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,10 @@ install: etckeeper.version
 	$(INSTALL_DATA) etckeeper.8 $(DESTDIR)$(mandir)/man8/etckeeper.8
 	mkdir -p $(DESTDIR)$(completiondir)
 	$(INSTALL_DATA) bash_completion $(DESTDIR)$(completiondir)/etckeeper
+	mkdir -p $(DESTDIR)$(prefix)/lib/systemd/system/ $(DESTDIR)$(prefix)/lib/systemd/scripts/
+	$(INSTALL) systemd/etckeeper $(DESTDIR)$(prefix)/lib/systemd/scripts/etckeeper
+	$(INSTALL_DATA) systemd/etckeeper.service $(DESTDIR)$(prefix)/lib/systemd/system/etckeeper.service
+	$(INSTALL_DATA) systemd/etckeeper.timer $(DESTDIR)$(prefix)/lib/systemd/system/etckeeper.timer
 ifeq ($(HIGHLEVEL_PACKAGE_MANAGER),apt)
 	mkdir -p $(DESTDIR)$(etcdir)/apt/apt.conf.d
 	$(INSTALL_DATA) apt.conf $(DESTDIR)$(etcdir)/apt/apt.conf.d/05etckeeper
diff --git a/systemd/etckeeper b/systemd/etckeeper
new file mode 100755
index 0000000..5255691
--- /dev/null
+++ b/systemd/etckeeper
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+if [ -x /usr/bin/etckeeper ] && [ -e /etc/etckeeper/etckeeper.conf ]; then
+	. /etc/etckeeper/etckeeper.conf
+	if [ "$AVOID_DAILY_AUTOCOMMITS" != "1" ]; then
+		# avoid autocommit if an install run is in progress
+		lockfile=/var/cache/etckeeper/packagelist.pre-install
+		if [ -e "$lockfile" ] && [ -n "$(find "$lockfile" -mtime +1)" ]; then
+			rm -f "$lockfile" # stale
+		fi
+		if [ ! -e "$lockfile" ]; then
+			AVOID_SPECIAL_FILE_WARNING=1
+			export AVOID_SPECIAL_FILE_WARNING
+			if etckeeper unclean; then
+				etckeeper commit "daily autocommit" >/dev/null
+			fi
+		fi
+	fi
+fi
diff --git a/systemd/etckeeper.service b/systemd/etckeeper.service
new file mode 100644
index 0000000..45912bb
--- /dev/null
+++ b/systemd/etckeeper.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Autocommit of changes in /etc directory
+Documentation=man:etckeeper(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+After=local-fs.target time-sync.target
+Before=shutdown.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/lib/systemd/scripts/etckeeper
+IOSchedulingClass=idle
diff --git a/systemd/etckeeper.timer b/systemd/etckeeper.timer
new file mode 100644
index 0000000..364c089
--- /dev/null
+++ b/systemd/etckeeper.timer
@@ -0,0 +1,10 @@
+[Unit]
+Description=Daily autocommit of changes in /etc directory
+Documentation=man:etckeeper(8)
+
+[Timer]
+OnBootSec=15min
+OnUnitActiveSec=1d
+
+[Install]
+WantedBy=multi-user.target
-- 
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