postrm is in ca-certificates-java 20170930ubuntu1.
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 | #!/bin/sh
set -e
case "$1" in
purge)
rm -f /etc/ca-certificates/update.d/jks-keystore
rm -rf /etc/ssl/certs/java
rmdir /etc/ssl/certs 2>/dev/null || true
;;
remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
;;
*)
echo "postrm called with unknown argument \`$1'" >&2
exit 1
;;
esac
exit 0
|