postinst is in systemtap-runtime 3.1-3ubuntu0.1.
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 | #! /bin/sh -e
set -e
case "$1" in
configure)
if ! getent group | grep -q "^stapdev:"; then
echo "Adding stapdev group..."
addgroup --quiet --system stapdev || true
fi
if ! getent group | grep -q "^stapusr:"; then
echo "Adding stapusr group..."
addgroup --quiet --system stapusr || true
fi
if ! getent group | grep -q "^stapsys:"; then
echo "Adding stapsys group..."
addgroup --quiet --system stapsys || true
fi
# Fixup staprun binary for new group 'stapusr'.
if ! dpkg-statoverride --list /usr/bin/staprun > /dev/null ; then
dpkg-statoverride --update --add root stapusr 4754 /usr/bin/staprun
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "$0 called with unknown argument '$1'" >&2
exit 1
;;
esac
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