feat(nix): auto optimize store #367

	name: Build nix profile
	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- master
	paths:
	- ".github/**"
	- "**.nix"
	- "flake.lock"

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	# https://github.com/actions/runner-images?tab=readme-ov-file#available-images
	include:
	- os: ubuntu-latest
	target: home-manager
	name: william
	- os: ubuntu-latest
	target: nixos-rebuild
	name: nixos-local
	- os: macos-latest
	target: home-manager
	name: william-alt
	- os: macos-latest
	target: darwin-rebuild
	name: macos-local
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Insall nix
	uses: cachix/install-nix-action@V27
	with:
	install_url: https://releases.nixos.org/nix/nix-2.18.2/install
	extra_nix_config: \|
	accept-flake-config = true

	- name: Check Nix flake inputs
	uses: DeterminateSystems/flake-checker-action@v8

	- name: Github actions built-in cache
	uses: DeterminateSystems/magic-nix-cache-action@v7

	- name: Setup cachix
	uses: cachix/cachix-action@v15
	with:
	name: williamhsieh
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
	skipPush: ${{ github.ref != 'refs/heads/master' }}

	- name: Build target
	run: \|
	set -o pipefail
	nix run .#${{ matrix.target }} build --fallback --show-trace -v --log-format raw -- \
	--flake .#${{ matrix.name }} > >(tee /tmp/nix-build-out.log) 2> >(tee /tmp/nix-build-err.log >&2)

	- name: Output build failure
	if: failure()
	run: \|
	drv=$(grep "For full logs, run" /tmp/nix-build-err.log \| grep -oE "/nix/store/.*.drv")
	nix log $drv
	echo $drv
	exit 1

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