postrm is in libgbm1-lts-utopic 10.3.2-0ubuntu1~trusty2.
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 | #!/bin/sh -e
set -e
dir=/usr/lib/x86_64-linux-gnu
pkg=$(dpkg-divert --listpackage "${dir}/libgbm.so.1.0.0")
if [ remove = "$1" -o abort-install = "$1" -o disappear = "$1" ]; then
dpkg-divert --remove --package ${pkg} --rename \
--divert "${dir}/old.libgbm.so.1.0.0" "${dir}/libgbm.so.1.0.0"
dpkg-divert --remove --package ${pkg} --rename \
--divert "${dir}/old.libgbm.so.1" "${dir}/libgbm.so.1"
dpkg-divert --remove --package ${pkg} --rename \
--divert "${dir}/gbm/old.gbm_gallium_drm.so" "${dir}/gbm/gbm_gallium_drm.so"
fi
# Automatically added by dh_makeshlibs
if [ "$1" = "remove" ]; then
ldconfig
fi
# End automatically added section
exit 0
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