postinst is in zsh 5.4.2-3ubuntu3.1.
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 31 32 33 34 35 36 37 38 39 | #!/bin/sh
set -e
# ksh alternatives
update-alternatives --remove ksh /usr/bin/zsh
update-alternatives --remove ksh /bin/zsh4
# Remove alternatives system for zsh in general
update-alternatives --remove zsh /bin/zsh5
update-alternatives --remove rzsh /bin/zsh5
case "$1" in
(configure)
add-shell /bin/zsh
add-shell /usr/bin/zsh
# New hardcoded symlinks which unfortunately can't be shipped inside
# the package itself since some people want to merge /bin and /usr/bin
# against FHS and all Unix tradition.
if [ ! -e /usr/bin/zsh -a ! -L /usr/bin/zsh ]; then
ln -s /bin/zsh /usr/bin/zsh
fi
;;
(abort-upgrade|abort-remove|abort-deconfigure)
exit 0
;;
(*)
echo "postinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
# Automatically added by dh_installdeb/11.1.6ubuntu1
dpkg-maintscript-helper symlink_to_dir /usr/share/doc/zsh zsh-common 5.0.7-3 -- "$@"
# End automatically added section
exit 0
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