packer-nixos/definitions/nixos64/postinstall.sh

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#!/bin/sh
# Remove VirtualBox Guest Additions ISO that the Veewee put in our
# home dir
rm -f ~/*.iso
# Install chef & puppet
su - vagrant -c 'gem install chef puppet --user-install \
--bindir=$HOME/bin --no-rdoc --no-ri'
# Make sure we are totally up to date
nixos-rebuild --upgrade switch
# Cleanup any previous generations and delete old packages that can be
# pruned.
for x in `seq 0 2` ; do
nix-env --delete-generations old
nix-collect-garbage -d
done
# Zero out the disk (for better compression)
dd if=/dev/zero of=/EMPTY bs=1M
rm -rf /EMPTY