preinst is in ghostscript 9.05~dfsg-0ubuntu4.5.
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 | #!/bin/sh
set -e
case "$1" in
install|upgrade)
# Do away with update-alternative for /usr/bin/ps2pdf, upstream
# provides it as a script
if dpkg --compare-versions "$2" lt-nl "9.00~dfsg-2ubuntu1"; then
update-alternatives --remove-all ps2pdf || true
fi
# Remove obsolete defoma files
if dpkg --compare-versions "$2" lt-nl "8.71.dfsg.1-0ubuntu5.2"; then
rm -rf /var/lib/defoma/gs.d
rm -f /etc/defoma/ghostscript.subst-rule
rm -f /etc/defoma/ghostscript.subst-rule~
rm -f /var/lib/defoma/ghostscript.subst-cache
fi
# Purge obsolete defoma cruft to silence warnings
if dpkg --compare-versions "$2" lt-nl "8.71.dfsg.2-1"; then
defoma-app purge gs 2>/dev/null || true
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
exit 0
|