Really fix package initial installation when PID1 is systemd (Closes: #747863)

debian/changelog

@@ -1,3 +1,10 @@
+nut (2.7.2-4) UNRELEASED; urgency=medium
+
+  * Really fix package initial installation when PID1 is systemd (Closes:
+    #747863)
+
+ -- Laurent Bigonville <bigon@debian.org>  Fri, 20 Mar 2015 00:44:01 +0100
+
 nut (2.7.2-3) unstable; urgency=medium
 
   * debian/NEWS: Fix NEWS file syntax

debian/nut-client.postinst

@@ -1,5 +1,16 @@
 #!/bin/sh -e
 
+handle_start_failure () {
+# The nut client part (upsmon) must run in all cases except when MODE in
+# /etc/nut/nut.conf is set to "none" or not set at all.
+  [ -r /etc/nut/nut.conf ] && . /etc/nut/nut.conf
+  if [ -d /run/systemd/system ] && [ "$MODE" = "none" -o -z "$MODE" ]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
 case "$1" in
 
   configure)

debian/nut-client.prerm

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+
+handle_start_failure () {
+# The MODE defined in /etc/nut/nut.conf shouldn't affect the exit code when the
+# daemon is stopped. If it fails to stop, the maintainer script should fail
+# too.
+  return 1
+}
+
+#DEBHELPER#
+
+exit 0

debian/nut-server.postinst

@@ -1,5 +1,18 @@
 #!/bin/sh -e
 
+handle_start_failure () {
+# The nut server part (upsd) must run in all cases except when MODE in
+# /etc/nut/nut.conf is set to "none", not set at all or if the machine is a
+# client.
+  [ -r /etc/nut/nut.conf ] && . /etc/nut/nut.conf
+  if [ -d /run/systemd/system ] \
+	  && [ "$MODE" = "none" -o "$MODE" = "netclient" -o -z "$MODE" ]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
 case "$1" in
 
   configure)

debian/nut-server.prerm

@@ -4,6 +4,13 @@
 # because we don't want the daemon to be
 # stopped during an upgrade
 
+handle_start_failure () {
+# The MODE defined in /etc/nut/nut.conf shouldn't affect the exit code when the
+# daemon is stopped. If it fails to stop, the maintainer script should fail
+# too.
+  return 1
+}
+
 case "$1" in
 
   remove)

debian/rules

@@ -119,8 +119,8 @@ common-install-indep::
 binary-install/nut-monitor::
 	dh_python2 -pnut-monitor
 
-DEB_DH_INSTALLINIT_ARGS_nut-server := --init-script=nut-server --restart-after-upgrade
+DEB_DH_INSTALLINIT_ARGS_nut-server := --init-script=nut-server --restart-after-upgrade --error-handler=handle_start_failure
-DEB_DH_INSTALLINIT_ARGS_nut-client := --init-script=nut-client --restart-after-upgrade
+DEB_DH_INSTALLINIT_ARGS_nut-client := --init-script=nut-client --restart-after-upgrade --error-handler=handle_start_failure
 DEB_DH_SYSTEMD_START_ARGS_nut-server := --restart-after-upgrade
 DEB_DH_SYSTEMD_START_ARGS_nut-client := --restart-after-upgrade
 DEB_DH_COMPRESS_ARGS_nut-doc := -X.pdf