postinst is in zsh 4.3.17-1ubuntu1.
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 | #!/bin/sh
set -e
case "$1" in
(configure)
# if test -z "$2"; then
add-shell /bin/zsh
add-shell /usr/bin/zsh
# fi
;;
(abort-upgrade|abort-remove|abort-deconfigure)
exit 0
;;
(*)
echo "postinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
if test -x /usr/bin/update-menus ; then update-menus ; fi
update-alternatives --remove zsh /usr/bin/zsh
update-alternatives --install /bin/zsh zsh /bin/zsh4 50 \
--slave /usr/bin/zsh zsh-usrbin /bin/zsh4
update-alternatives --install /bin/rzsh rzsh /bin/zsh4 50 \
--slave /usr/share/man/man1/rzsh.1.gz rzsh.1.gz /usr/share/man/man1/zsh.1.gz
update-alternatives --install /bin/ksh ksh /bin/zsh4 5 \
--slave /usr/bin/ksh usr.bin.ksh /bin/zsh4 \
--slave /usr/share/man/man1/ksh.1.gz ksh.1.gz /usr/share/man/man1/zsh.1.gz
mkdir -m2775 -p /usr/local/share/zsh/site-functions && chown root:staff \
/usr/local/share/zsh/site-functions || true
exit 0
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