postinst is in libnss-db 2.2.3pre1-6build2.
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 | #!/bin/sh
set -e
if [ "$1" = "configure" ]; then
if [ -x /etc/init.d/nscd ]; then
invoke-rc.d nscd restart
fi
fi
exit 0
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