preinst is in ceph-common 12.2.4-0ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | #!/bin/sh
set -e
# Custom dpkg-maintscript-helper type function to deal with
# nested /etc/default/ceph/ceph
prepare_mv_ceph_defaults() {
local md5sum old_md5sum
md5sum="$(md5sum "/etc/default/ceph/ceph" | sed -e 's/ .*//')"
old_md5sum="$(dpkg-query -W -f='${Conffiles}' "ceph-common" | \
sed -n -e "\'^ /etc/default/ceph/ceph ' { s/ obsolete$//; s/.* //; p }")"
if [ "$md5sum" = "$old_md5sum" ]; then
mv -f "/etc/default/ceph/ceph" "/etc/default/ceph/ceph.dpkg-remove"
mv -f "/etc/default/ceph" "/etc/default/ceph.dpkg-backup"
fi
}
case "$1" in
upgrade|install)
if [ -d /etc/default/ceph ] && [ -n "$2" ] &&
dpkg --compare-versions -- "$2" le-nl 10.2.1-0ubuntu1; then
prepare_mv_ceph_defaults
fi
;;
esac
exit 0
|