fix(flake): Stop relying on the registry for lookups of flake references #98

	---
	name: Deploy 🚀

	'on':
	push:
	branches:
	- main

	paths:
	- '**.nix'
	- '**.age'
	- 'flake.lock'

	concurrency:
	group: ci-${{ github.ref }}-deploy
	cancel-in-progress: true

	jobs:
	check:
	name: Check ✔️
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4
	- uses: DeterminateSystems/nix-installer-action@v10
	- uses: DeterminateSystems/magic-nix-cache-action@v4
	- uses: cachix/cachix-action@v14
	with:
	name: etu
	extraPullNames: 'nix-community'
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

	- name: Check the flake
	run: 'nix flake check'

	deploy:
	name: Deploy 🚀
	runs-on: ubuntu-22.04
	needs: check
	# Don't cancel jobs if one job fails
	continue-on-error: true
	strategy:
	matrix:
	hostname:
	- server-main-elis
	- server-sparv
	- vps06

	steps:
	- uses: actions/checkout@v4
	- uses: DeterminateSystems/nix-installer-action@v10
	- uses: DeterminateSystems/magic-nix-cache-action@v4
	- uses: cachix/cachix-action@v14
	with:
	name: etu
	extraPullNames: 'nix-community'
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

	# Build systems.
	- name: Build system derivation
	uses: nick-fields/retry@v3
	with:
	max_attempts: 2
	timeout_minutes: 60
	command: 'nix build .#nixosConfigurations.${{ matrix.hostname }}.config.system.build.toplevel'

	# Configure SSH key
	- uses: shimataro/ssh-key-action@v2
	with:
	key: ${{ secrets.SSH_PRIVATE_KEY }}
	name: id_ed25519
	known_hosts: ${{ secrets.SSH_KNOWN_HOSTS }}

	# Deploy systems
	- name: Deploy system
	run: 'nix develop -c deploy --skip-checks --targets .#${{ matrix.hostname }}'

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