From 9076fc79b27a7b7aa5f8a1e3b1e0f54a781aefba Mon Sep 17 00:00:00 2001
From: Daniele Nicolodi <daniele@grinta.net>
Date: Tue, 12 Jun 2018 19:47:20 -0600
Subject: dh_installsystemduser: New helper to handle systemd user instance
 units

Add a new 'dh_installsystemduser' helper responsible for istalling
package maintainer supplied systemd user instance units and to produce
postinst and postrm maintiner scripts code blocks to appropriately
enable, mask and disable units when the package is installed,
upgraded, or removed.
---
 autoscripts/postinst-systemd-user-dont-enable | 15 +++++++++++++++
 autoscripts/postinst-systemd-user-enable      | 15 +++++++++++++++
 autoscripts/postrm-systemd-user               | 12 ++++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 autoscripts/postinst-systemd-user-dont-enable
 create mode 100644 autoscripts/postinst-systemd-user-enable
 create mode 100644 autoscripts/postrm-systemd-user

(limited to 'autoscripts')

diff --git a/autoscripts/postinst-systemd-user-dont-enable b/autoscripts/postinst-systemd-user-dont-enable
new file mode 100644
index 00000000..0837257f
--- /dev/null
+++ b/autoscripts/postinst-systemd-user-dont-enable
@@ -0,0 +1,15 @@
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
+	if deb-systemd-helper --user debian-installed #UNITFILE# ; then
+		# This will only remove masks created by d-s-h on package removal.
+		deb-systemd-helper --user unmask #UNITFILE# >/dev/null || true
+
+		if deb-systemd-helper --quiet --user was-enabled #UNITFILE# ; then
+			# Create new symlinks, if any.
+			deb-systemd-helper --user enable #UNITFILE# >/dev/null || true
+		fi
+	fi
+
+	# Update the statefile to add new symlinks (if any), which need to be cleaned
+	# up on purge. Also remove old symlinks.
+	deb-systemd-helper --user update-state #UNITFILE# >/dev/null || true
+fi
diff --git a/autoscripts/postinst-systemd-user-enable b/autoscripts/postinst-systemd-user-enable
new file mode 100644
index 00000000..b16f61fb
--- /dev/null
+++ b/autoscripts/postinst-systemd-user-enable
@@ -0,0 +1,15 @@
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
+	# This will only remove masks created by d-s-h on package removal.
+	deb-systemd-helper --user unmask #UNITFILE# >/dev/null || true
+
+	# was-enabled defaults to true, so new installations run enable.
+	if deb-systemd-helper --quiet --user was-enabled #UNITFILE# ; then
+		# Enables the unit on first installation, creates new
+		# symlinks on upgrades if the unit file has changed.
+		deb-systemd-helper --user enable #UNITFILE# >/dev/null || true
+	else
+		# Update the statefile to add new symlinks (if any), which need to be
+		# cleaned up on purge. Also remove old symlinks.
+		deb-systemd-helper --user update-state #UNITFILE# >/dev/null || true
+	fi
+fi
diff --git a/autoscripts/postrm-systemd-user b/autoscripts/postrm-systemd-user
new file mode 100644
index 00000000..bf48d1a3
--- /dev/null
+++ b/autoscripts/postrm-systemd-user
@@ -0,0 +1,12 @@
+if [ "$1" = "remove" ]; then
+	if [ -x "/usr/bin/deb-systemd-helper" ] ; then
+		deb-systemd-helper --user mask #UNITFILES# >/dev/null || true
+	fi
+fi
+
+if [ "$1" = "purge" ]; then
+	if [ -x "/usr/bin/deb-systemd-helper" ] ; then
+		deb-systemd-helper --user purge #UNITFILES# >/dev/null || true
+		deb-systemd-helper --user unmask #UNITFILES# >/dev/null || true
+	fi
+fi
-- 
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