From: Gerfried Fuchs <rhonda@debian.at>
Date: Fri, 25 Jul 2008 14:09:50 +0000 (+0200)
Subject: Added preinst script to cleanup flavour symlinks which aren't shipped anymore, remove... 
X-Git-Tag: debian/2.1.0-1~5
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fupstream%2Fblosxom.git;a=commitdiff_plain;h=3f4e737889ff4683c562dc119bd7dfb6fa1e553a

Added preinst script to cleanup flavour symlinks which aren't shipped anymore, removed old postinst script.
---

diff --git a/debian/changelog b/debian/changelog
index c326cc7..23f1c9a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -14,8 +14,8 @@ blosxom (2.1.0-1) unstable; urgency=low
   * Generate conffiles file automatically to not miss anything
   * Changed postrm symlink cleanup to cleaning every symlink in the flavours
     dir (Closes: #454942, #486924)
-  * Changed postinst script to also cleanup flavour symlinks which aren't
-    shipped anymore.
+  * Added preinst script to cleanup flavour symlinks which aren't shipped
+    anymore, removed old postinst script.
   * Changed postrm to only do the cleanup when the directory still exists,
     thanks to Carsten Hey for pointing it out.
   * Bumped Standards-Version to 3.8.0:
diff --git a/debian/postinst b/debian/postinst
deleted file mode 100644
index fb6d298..0000000
--- a/debian/postinst
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/sh -e
-# postrm script for blosxom
-# copyright 2007-2008 by Gerfried Fuchs <rhonda@debian.at>
-# Licenced in the same way as blosxom itself
-
-# cleanup for old flavors that got installed by packages prior to 2.1.0
-case "$1" in
-    purge)
-	if [ -d /var/lib/blosxom/data/flavours ] ; then
-		cd /var/lib/blosxom/data/flavours
-		for i in content_type.1993 content_type.html content_type.index \
-			date.1993  date.html  date.index \
-			foot.1993  foot.html  foot.index \
-			head.1993  head.html  head.index \
-			story.1993 story.html story.index ; do
-			test ! -L $i || test ! -f $i || rm $i
-		done
-	fi
-    ;;
-esac
-
-exit 0
diff --git a/debian/preinst b/debian/preinst
new file mode 100644
index 0000000..9052dd1
--- /dev/null
+++ b/debian/preinst
@@ -0,0 +1,48 @@
+#!/bin/sh -e
+# preinst script for blosxom
+# copyright 2007-2008 by Gerfried Fuchs <rhonda@debian.at>
+# Licenced in the same way as blosxom itself
+
+rm_conffile() {
+	PKGNAME="$1"
+	CONFFILE="$2"
+	if [ -e "$CONFFILE" ]; then
+		md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
+		old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE '{s/ obsolete$//;s/.* //p}\"`"
+		if [ "$md5sum" != "$old_md5sum" ]; then
+			echo "Obsolete conffile $CONFFILE has been modified by you."
+			echo "Saving as $CONFFILE.dpkg-bak ..."
+			mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
+		else
+			echo "Removing obsolete conffile $CONFFILE ..."
+			rm -f "$CONFFILE"
+		fi
+	fi
+}
+
+
+# cleanup for old flavors that got installed by packages prior to 2.1.0
+case "$1" in
+install|upgrade)
+	if dpkg --compare-versions "$2" le-nl "2.1.0-1"; then
+		for i in content_type.1993 content_type.html content_type.index \
+			date.1993  date.html  date.index \
+			foot.1993  foot.html  foot.index \
+			head.1993  head.html  head.index \
+			story.1993 story.html story.index ; do
+			rm_conffile blosxom "/etc/blosxom/flavours/$i"
+		done
+	fi
+	if [ -d /var/lib/blosxom/data/flavours ] ; then
+		cd /var/lib/blosxom/data/flavours
+		for i in content_type.1993 content_type.html content_type.index \
+			date.1993  date.html  date.index \
+			foot.1993  foot.html  foot.index \
+			head.1993  head.html  head.index \
+			story.1993 story.html story.index ; do
+			test ! -L $i || test ! -f $i || rm $i
+		done
+	fi
+esac
+
+exit 0
diff --git a/debian/rules b/debian/rules
index bf77d33..4960765 100755
--- a/debian/rules
+++ b/debian/rules
@@ -65,7 +65,7 @@ binary-indep: install
 		$(TMP)/usr/share/doc/$(PKG)/changelog.Debian
 	cd $(TMP)/usr/share/doc/$(PKG) && gzip -9 changelog.Debian NEWS.Debian
 
-	$(INSTALL_SCRIPT) debian/postinst debian/postrm $(TMP)/DEBIAN
+	$(INSTALL_SCRIPT) debian/preinst debian/postrm $(TMP)/DEBIAN
 
 	find $(TMP)/etc -type f | sed -e 's#$(TMP)##' > $(TMP)/DEBIAN/conffiles