postinst is in i2c-tools 4.0-2.
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 | #!/bin/sh
set -e
case "$1" in
configure)
# Add the i2c group unless it's already there
if ! getent group i2c >/dev/null; then
addgroup --quiet --system i2c || true
fi
# Trigger a udev reload
if which udevadm >/dev/null 2>&1 ; then
udevadm control --reload-rules || true
udevadm trigger --subsystem-match=i2c-dev --action=change || true
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
|