postinst is in mtr 0.86-1.
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 | #!/bin/sh
set -e
if [ "$1" = configure ]; then
# If we have setcap is installed, try setting cap_net_raw+ep,
# which allows us to install our binaries without the setuid
# bit.
if command -v setcap > /dev/null; then
if ! setcap cap_net_raw+ep /usr/bin/mtr; then
echo "Setcap failed on /usr/bin/mtr, falling back to setuid" >&2
chmod u+s /usr/bin/mtr
fi
else
echo "Setcap is not installed, falling back to setuid" >&2
chmod u+s /usr/bin/mtr
fi
fi
# Automatically added by dh_installmenu
if [ "$1" = "configure" ] && [ -x "`which update-menus 2>/dev/null`" ]; then
update-menus
fi
# End automatically added section
exit 0
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