#!/bin/sh
# Preserve new files
install_file() {
NEW="$1"
OLD="`dirname $NEW`/`basename $NEW .new`"
# If there's no file by that name, mv it over:
if [ ! -r $OLD ]; then
mv $NEW $OLD
elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
rm $NEW
fi
# Otherwise, we leave the .new copy for the admin to consider...
}
preserve_perms() {
NEW="$1"
OLD="$(dirname ${NEW})/$(basename ${NEW} .new)"
if [ -e ${OLD} ]; then
cp -a ${OLD} ${NEW}.incoming
cat ${NEW} > ${NEW}.incoming
mv ${NEW}.incoming ${NEW}
fi
install_file ${NEW}
}
# arg 1: the new package version
pre_install() {
/bin/true
}
# arg 1: the new package version
post_install() {
install_file etc/default/pcscd.new
preserve_perms etc/rc.d/rc.pcscd.new
}
# arg 1: the new package version
# arg 2: the old package version
pre_update() {
/bin/true
}
# arg 1: the new package version
# arg 2: the old package version
post_update() {
post_install
}
# arg 1: the old package version
pre_remove() {
/bin/true
}
# arg 1: the old package version
post_remove() {
/bin/true
}
operation=$1
shift
$operation $*