postrm is in lilypond-data 2.14.2-2.
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  | #!/bin/sh
#
# postrm script for the Debian GNU/Linux lilypond package
#   by Anthony Fok <foka@debian.org>
#   This is free software; see the GNU General Public Licence
#   version 2 or later for copying conditions.  There is NO warranty.
#   Last modified:  Tue, 11 May 1999 11:16:35 -0600
set -e
package=lilypond
font_supplier=public
font_typeface=lilypond
std_VARTEXFONTS=/var/spool/texmf
if [ "$1" != purge ]; then
  VARTEXFONTS=`kpsewhich -expand-var '$VARTEXFONTS'`
  : ${VARTEXFONTS=$std_VARTEXFONTS}
fi
case "$1" in
    upgrade)
	# Clear out the old TFM and PK files in case the fonts were modified
	rm -rf $VARTEXFONTS/tfm/$font_supplier/$font_typeface
	rm -rf $VARTEXFONTS/pk/*/$font_supplier/$font_typeface
    ;;
    remove)
	# Clear out the old TFM and PK files in case the fonts were modified
	rm -rf $VARTEXFONTS/tfm/$font_supplier/$font_typeface
	rm -rf $VARTEXFONTS/pk/*/$font_supplier/$font_typeface
    ;;
    failed-upgrade|purge|abort-install|abort-upgrade|disappear)
    ;;
    *)
	echo "postrm called with unknown argument \`$1'" >&2
	exit 0
    ;;
esac
 |