fetch-or-build-chromium-ozone.sh

#!/usr/bin/env bash

ref="cmpkgs"
tree="https://github.com/colemickens/nixpkgs/commits/${ref}"
nixpkgs="https://github.com/colemickens/nixpkgs/archive/${ref}.tar.gz"

echo "you should check ${tree} for safety/sanity"
echo "you should also check that you trust the binary caches used in this script"
echo
echo -n "3..."; sleep 1
echo -n "2..."; sleep 1
echo -n "1..."; sleep 1
echo

nix-env \
  --option "extra-binary-caches" "https://cache.nixos.org https://colemickens.cachix.org https://nixpkgs-wayland.cachix.org" \
  --option "trusted-public-keys" "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= colemickens.cachix.org-1:oIGbn9aolUT2qKqC78scPcDL6nz7Npgotu644V4aGl4= nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA=" \
  --option "build-cores" "0" \
  --option "narinfo-cache-negative-ttl" "0" \
  -f "${nixpkgs}" \
  -iA chromiumOzone