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- #! /bin/sh
-
- set -e
-
- create_etc_keys() {
- [ -d /etc/keys/ ] || mkdir -p /etc/keys/
- }
-
- create_crypttab() {
- if [ ! -f /etc/crypttab ]; then
- cat <<-EOC >/etc/crypttab
- # <target name> <source device> <key file> <options>
- EOC
- fi
- }
-
- # 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
- }
-
- LASTVERSION="2:1.0.6-5"
- case "$1" in
- install)
- create_etc_keys
- create_crypttab
- if dpkg --compare-versions "$2" le "$LASTVERSION"; then
- rm_conffile cryptsetup "/etc/udev/rules.d/z60_cryptsetup.rules"
- fi
- ;;
-
- upgrade)
- if dpkg --compare-versions "$2" le "$LASTVERSION"; then
- rm_conffile cryptsetup "/etc/udev/rules.d/z60_cryptsetup.rules"
- fi
- ;;
-
- abort-upgrade)
- ;;
-
- *)
- echo "preinst called with unknown argument '$1'" >&2
- exit 1
- ;;
- esac
-
-
-
- exit 0
-