This file is indexed.

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.

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#!/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