postinst is in postgresql-filedump 9.6.0-2.
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 | #!/bin/sh
set -e
case "$1" in
configure)
update-alternatives --quiet --install /usr/bin/pg_filedump pg_filedump \
/usr/lib/postgresql/9.6/bin/pg_filedump 96
;;
esac
|