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#!/bin/sh
# preinst script for gitolite
# Copyright 2011 by Gerfried Fuchs <rhonda@debian.at>
# Licenced under WTFPLv2
set -e
#DEBHELPER#
# summary of how this script can be called:
# * <new-preinst> `install'
# * <new-preinst> `install' <old-version>
# * <new-preinst> `upgrade' <old-version>
# * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
rm_conffile() {
local PKGNAME="$1"
local CONFFILE="$2"
[ -e "$CONFFILE" ] || return 0
local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
local old_md5sum="$(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
}
# cleanup for configuration stored in /etc that got installed by packages prior to 2.0-1
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "2.0-1"; then
for i in example.conf example.gitolite.rc VERSION; do
rm_conffile gitolite "/etc/gitolite/$i"
done
fi
esac
exit 0
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