prerm is in dash 0.5.7-2ubuntu2.
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 | #!/bin/sh
#
# pre-removal script for the Debian GNU/Linux ash package
#
# $Id: dash.prerm,v 1.2 2003/09/03 10:42:08 herbert Exp $
set -e
remove_divert() {
diverter=$(dpkg-divert --listpackage $1)
if [ "$diverter" = "dash" ]; then
dpkg-divert --package dash --rename --remove $1
fi
}
remove_shell() {
if ! type remove-shell > /dev/null 2>&1; then
return
fi
remove-shell /bin/dash
}
if [ "$1" = remove ] || [ "$1" = deconfigure ]; then
remove_divert /bin/sh
remove_divert /usr/share/man/man1/sh.1.gz
fi
if [ "$1" = remove ]; then
remove_shell
fi
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