preinst is in golang-go 2:1.6-1ubuntu4.
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 | #!/bin/sh
set -e
case "$1" in
upgrade)
# When golang-go was not a dependency package, it used alternatives to
# manage /usr/bin/go, and unfortunately did not remove the alternative on
# prerm upgrade (just uninstall|deconfigure). So remove it here.
update-alternatives --remove go /usr/lib/go/bin/go
;;
install)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
exit 0
|