Only use dpkg-divert on Ubuntu 15.10 (Closes: #823515)

debian/php-common.postrm.divert

@@ -1,14 +1,3 @@
-#!/bin/sh
-# postrm script for php-common
-#
-# see: dh_installdeb(1)
-
-set -e
-
-if [ "$1" = "purge" ]; then
-    rm -rf /var/lib/php
-fi
-
 if [ "$1" = remove ] ; then
     dpkg-divert --remove --package php-common --rename \
 		--divert /usr/bin/phar.php5 \
@@ -17,7 +6,3 @@ if [ "$1" = remove ] ; then
 		--divert /usr/share/man/man1/phar.php5.1.gz \
 		/usr/share/man/man1/phar.1.gz
 fi
-
-#DEBHELPER#
-
-exit 0

debian/php-common.postrm.in

@@ -0,0 +1,16 @@
+#!/bin/sh
+# postrm script for php-common
+#
+# see: dh_installdeb(1)
+
+set -e
+
+if [ "$1" = "purge" ]; then
+    rm -rf /var/lib/php
+fi
+
+#DIVERT#
+
+#DEBHELPER#
+
+exit 0

debian/php-common.preinst.divert

@@ -1,7 +1,3 @@
-#!/bin/sh
-
-set -e
-
 if [ "$1" = install ] || [ "$1" = upgrade ] ; then
     dpkg-divert --add --package php-common --rename \
     		--divert /usr/bin/phar.php5 \
@@ -10,7 +6,3 @@ if [ "$1" = install ] || [ "$1" = upgrade ] ; then
 		--divert /usr/share/man/man1/phar.php5.1.gz \
 		/usr/share/man/man1/phar.1.gz
 fi
-
-#DEBHELPER#
-
-exit 0

debian/php-common.preinst.in

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+#DIVERT#
+
+#DEBHELPER#
+
+exit 0

debian/rules

@@ -24,6 +24,13 @@ SED=sed
 
 export DH_OPTIONS
 
+DIVERT=sed -e '/\#DIVERT\#/ d'
+ifeq (Ubuntu,$(DEB_VENDOR))
+  ifeq ($(DEB_DISTRIBUTION),wily)
+    DIVERT=sed -e "/\#DIVERT\#/ r debian/php-common.$${script}.divert"
+  endif
+endif
+
 %:
 	dh $@
 
@@ -66,6 +73,14 @@ override_dh_fixperms:
 	dh_fixperms -i -pphp-common -X/var/lib/php/sessions
 	dh_fixperms -i --remaining-packages
 
+override_dh_installdeb:
+	for script in preinst postrm; do \
+	  $(DIVERT) \
+	    < debian/php-common.$${script}.in \
+	    > debian/php-common.$${script}; \
+	done
+	dh_installdeb -i
+
 override_dh_gencontrol:
 	dh_gencontrol -pphp-common  -- -v$(PHP_COMMON_DEB_VERSION)
 	dh_gencontrol -pphp-all-dev -- -v$(PHP_COMMON_DEB_VERSION)