postinst is in libglx-mesa0 18.0.0~rc5-1ubuntu1.
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 | #!/bin/sh
set -e
case "$1" in
configure)
# remove alternatives from libgl1-mesa-glx
update-alternatives --remove x86_64-linux-gnu_gl_conf \
/usr/lib/x86_64-linux-gnu/mesa/ld.so.conf
# explicit ldconfig due to alternatives
ldconfig
esac
exit 0
|