Hi Joey,

Thanks for the quick review.

Joey Hess <jo...@debian.org> writes:
> The only questionable part seems to be the direct use of of
> /etc/systemd/system/. Is there a consensus that this is the right thing
> to do? I see symlinks being dropped in there by many packages
> currently.
I talked to mbiebl and Mithrandir about it and we’ve come to the
conclusion that we want to ship the files in /lib instead (for
consistency with upstream packages and other distributions) and maybe
work on UCF support for this location instead of shipping the service
files in /etc.

I have updated the patch and attached the new version.

-- 
Best regards,
Michael
>From 836c4369f15d641648a7e26d9a12ac4d6d28941b Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <stapelb...@debian.org>
Date: Sun, 29 Jul 2012 19:46:53 +0200
Subject: [PATCH] Support systemd in dh_installinit and postinst/postrm

---
 autoscripts/postinst-init         |    6 +++++
 autoscripts/postinst-init-nostart |    6 +++++
 autoscripts/postinst-init-restart |    6 +++++
 autoscripts/postrm-init           |    7 ++++++
 dh_installinit                    |   47 +++++++++++++++++++++++++++++++++----
 5 files changed, 67 insertions(+), 5 deletions(-)

diff --git a/autoscripts/postinst-init b/autoscripts/postinst-init
index 2430b2c..f5371ce 100644
--- a/autoscripts/postinst-init
+++ b/autoscripts/postinst-init
@@ -1,4 +1,10 @@
 if [ -x "/etc/init.d/#SCRIPT#" ]; then
+	# In case this system is running systemd, we need to ensure that all
+	# necessary tmpfiles (if any) are created before starting.
+	if [ -d /sys/fs/cgroup/systemd ] ; then
+		systemd-tmpfiles --create >/dev/null || true
+	fi
+
 	update-rc.d #SCRIPT# #INITPARMS# >/dev/null
 	invoke-rc.d #SCRIPT# start || #ERROR_HANDLER#
 fi
diff --git a/autoscripts/postinst-init-nostart b/autoscripts/postinst-init-nostart
index 7a1bd5e..ec6bdbd 100644
--- a/autoscripts/postinst-init-nostart
+++ b/autoscripts/postinst-init-nostart
@@ -1,3 +1,9 @@
 if [ -x "/etc/init.d/#SCRIPT#" ]; then
+	# In case this system is running systemd, we need to ensure that all
+	# necessary tmpfiles (if any) are created before starting.
+	if [ -d /sys/fs/cgroup/systemd ] ; then
+		systemd-tmpfiles --create >/dev/null || true
+	fi
+
 	update-rc.d #SCRIPT# #INITPARMS# >/dev/null || #ERROR_HANDLER#
 fi
diff --git a/autoscripts/postinst-init-restart b/autoscripts/postinst-init-restart
index 35bba20..862f9cc 100644
--- a/autoscripts/postinst-init-restart
+++ b/autoscripts/postinst-init-restart
@@ -1,4 +1,10 @@
 if [ -x "/etc/init.d/#SCRIPT#" ]; then
+	# In case this system is running systemd, we need to ensure that all
+	# necessary tmpfiles (if any) are created before starting.
+	if [ -d /sys/fs/cgroup/systemd ] ; then
+		systemd-tmpfiles --create >/dev/null || true
+	fi
+
 	update-rc.d #SCRIPT# #INITPARMS# >/dev/null
 	if [ -n "$2" ]; then
 		_dh_action=restart
diff --git a/autoscripts/postrm-init b/autoscripts/postrm-init
index 1c29298..61dcfc5 100644
--- a/autoscripts/postrm-init
+++ b/autoscripts/postrm-init
@@ -1,3 +1,10 @@
 if [ "$1" = "purge" ] ; then
 	update-rc.d #SCRIPT# remove >/dev/null
 fi
+
+
+# In case this system is running systemd, we make systemd reload the unit files
+# to pick up changes.
+if [ -d /sys/fs/cgroup/systemd ] ; then
+	systemctl --system daemon-reload >/dev/null || true
+fi
diff --git a/dh_installinit b/dh_installinit
index 9c8c155..65e143a 100755
--- a/dh_installinit
+++ b/dh_installinit
@@ -2,7 +2,7 @@
 
 =head1 NAME
 
-dh_installinit - install init scripts and/or upstart jobs into package build directories
+dh_installinit - install init scripts and/or upstart jobs and/or systemd services into package build directories
 
 =cut
 
@@ -42,6 +42,16 @@ build directory.
 If this exists, it is installed into etc/init/I<package>.conf in the package
 build directory.
 
+=item debian/I<package>.service
+
+If this exists, it is installed into lib/systemd/system/I<package>.service in
+the package build directory.
+
+=item debian/I<package>.tmpfile
+
+If this exists, it is installed into usr/lib/tmpfiles.d/I<package>.conf in the
+package build directory.
+
 =back
 
 =head1 OPTIONS
@@ -55,9 +65,10 @@ Do not modify F<postinst>/F<postrm>/F<prerm> scripts.
 =item B<-o>, B<--onlyscripts>
 
 Only modify F<postinst>/F<postrm>/F<prerm> scripts, do not actually install any init
-script, default files, or upstart job. May be useful if the init script or
-upstart job is shipped and/or installed by upstream in a way that doesn't
-make it easy to let B<dh_installinit> find it.
+script, default files, upstart job or systemd service file. May be useful if
+the init script, upstart job or systemd service file is shipped and/or
+installed by upstream in a way that doesn't make it easy to let
+B<dh_installinit> find it.
 
 =item B<-R>, B<--restart-after-upgrade>
 
@@ -171,6 +182,26 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
 		$script=$package;
 	}       
 
+	my $service=pkgfile($package,"service");
+	if ($service ne '' && ! $dh{ONLYSCRIPTS}) {
+		my $path="$tmp/lib/systemd/system";
+		if (! -d "$path") {
+			doit("install","-d","$path");
+		}
+
+		doit("install","-p","-m644",$service,"$path/$script.service");
+	}
+
+	my $tmpfile=pkgfile($package,"tmpfile");
+	if ($tmpfile ne '' && ! $dh{ONLYSCRIPTS}) {
+		my $path="$tmp/usr/lib/tmpfiles.d";
+		if (! -d "$path") {
+			doit("install","-d","$path");
+		}
+
+		doit("install","-p","-m644",$tmpfile,"$path/$script.conf");
+	}
+
 	my $job=pkgfile($package,"upstart");
 
 	if ($job ne '' && ! $dh{ONLYSCRIPTS}) {
@@ -203,7 +234,11 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
 		error("Can't use --init-script with an upstart job");
 	}
 
-	if ($job ne '' || $init ne '' || $dh{ONLYSCRIPTS}) {
+	# NB: The case that only $tmpfile is set makes no sense. The
+	# tmpfiles.d(5) mechanism is only available when using systemd (at
+	# least currently), so there has to be an init script which does the
+	# same thing for sysvinit.
+	if ($service ne '' || $job ne '' || $init ne '' || $dh{ONLYSCRIPTS}) {
 		# This is set by the -u "foo" command line switch, it's
 		# the parameters to pass to update-rc.d. If not set,
 		# we have to say "defaults".
@@ -265,4 +300,6 @@ Joey Hess <jo...@debian.org>
 
 Steve Langasek <steve.langa...@canonical.com>
 
+Michael Stapelberg <stapelb...@debian.org>
+
 =cut
-- 
1.7.10.4

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