preinst is in tex4ht-common 20090611-1.1.
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 | #!/bin/sh
set -e
LASTVERSION="20060913-1"
# Snippet taken from http://wiki.debian.org/DpkgConffileHandling
# <snippet>
# Move a conffile without triggering a dpkg question
pre_mv_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 "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "$LASTVERSION"; then
pre_mv_conffile tex4ht-common "/etc/texmf/texmf.d/90tex4ht.cnf"
fi
esac
# </snippet>
|