preinst is in libcups2-dev 2.2.7-1ubuntu2.
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 | #! /bin/sh
set -e
case "$1" in
install)
;;
upgrade)
if [ ! -L /usr/share/doc/libcups2-dev ]; then
rm -rf /usr/share/doc/libcups2-dev
fi
# workaround for upgrades where this changed from a directory to a file;
# this fails with overlays (containers, schroots) sometimes (LP: #1272285)
# this can be dropped in jessie+1/trusty+1
if [ -d /usr/include/cups/i18n.h ]; then
rm -rf /usr/include/cups/i18n.h
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
exit 0
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