preinst is in hal 0.5.14-8.
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 | #!/bin/sh
set -e
rm_conffile() {
PKGNAME="hal"
CONFFILE="$1"
if [ -e "$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
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" lt "0.5.11-3"; then
rm_conffile "/etc/udev/hal.rules"
rm -f /etc/udev/rules.d/z99_hal.rules
fi
if dpkg --compare-versions "$2" lt "0.5.12~git20090406.46dc48-1"; then
rm_conffile "/etc/udev/rules.d/90-hal.rules"
fi
# Remove old SysV init scripts, using D-Bus activation now
if dpkg --compare-versions "$2" lt-nl "0.5.14-4"; then
rm_conffile /etc/init.d/hal
rm_conffile /etc/default/hal
update-rc.d -f hal remove >/dev/null
fi
esac
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