preinst is in upstart 1.5-0ubuntu5.
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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #!/bin/sh -e
# This script can be called in the following ways:
#
# Before the package is installed:
# <new-preinst> install
#
# Before removed package is upgraded:
# <new-preinst> install <old-version>
#
# Before the package is upgraded:
# <new-preinst> upgrade <old-version>
#
#
# If postrm fails during upgrade or fails on failed upgrade:
# <old-preinst> abort-upgrade <new-version>
# Prepare to remove a no-longer used conffile
prep_rm_conffile()
{
CONFFILE="$1"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`sed -n -e \"/^Conffiles:/,/^[^ ]/{\\\\' $CONFFILE '{s/ obsolete$//;s/.* //;p}}\" /var/lib/dpkg/status`"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you, renaming to .dpkg-bak"
mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
else
mv -f "$CONFFILE" "$CONFFILE".dpkg-obsolete
fi
fi
}
case "$1" in
install|upgrade)
# Upgrade from karmic development version
if dpkg --compare-versions "$2" lt-nl 0.6.3-7; then
prep_rm_conffile /etc/init/dbus-reconnect.conf
fi
;;
abort-upgrade)
;;
*)
echo "$0 called with unknown argument \`$1'" 1>&2
exit 1
;;
esac
exit 0
|