Correct some *.(postrm|preinst) scripts, remove useless parts

1 files changed, 32 insertions, 0 deletions

diff --git a/debian/libsane-common.preinst b/debian/libsane-common.preinst
new file mode 100644
index 0000000..6dad339
--- /dev/null
+++ b/debian/libsane-common.preinst
@@ -0,0 +1,32 @@
+#!/bin/sh
+set -e
+
+# From http://wiki.debian.org/DpkgConffileHandling
+# Remove a no-longer used conffile
+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
+}
+
+if [ "$1" = install ] || [ "$1" = upgrade ]; then
+    ## Transition from the old-style udev setup to the old-style dh_installudev setup
+    ## Then dh_installudev will take care of the transition to the new dh_installudev setup
+    if [ -e "/etc/udev/rules.d/025_libsane.rules" ]; then
+        mv /etc/udev/rules.d/025_libsane.rules /etc/udev/rules.d/z60_libsane.rules
+    fi
+
+fi
+
+#DEBHELPER#