Add debian+nix dev container #1087

	name: lint

	on:
	pull_request:
	push:
	branches: [main]
	merge_group:

	jobs:
	pre-commit:
	strategy:
	matrix:
	os: [["ubuntu-latest"], ["self-hosted", "macOS"]]

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v3

	- uses: cachix/install-nix-action@v22
	with:
	nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/43862987c3cf2554a542c6dd81f5f37435eb1423.tar.gz # keep in sync with shell.nix

	- name: Wait for nix daemon to start
	if: runner.os == 'macOS'
	run: wait4path /nix/var/nix/profiles/per-user

	- name: setup direnv
	uses: JRMurr/[email protected]
	with:
	install-nix: "false" # we already install nix
	cache-store: "false" # turned out to be faster without the cache

	- name: Setup backend pypackages cache
	uses: actions/cache@v3
	with:
	path: \|
	backend/__pypackages__/
	key: ${{ runner.os }}-${{ runner.arch }}-pypackages-${{ hashFiles('backend/pdm.lock', 'proto/transcribee_proto/*.py') }}

	- name: Setup worker pypackages cache
	uses: actions/cache@v3
	with:
	path: \|
	worker/__pypackages__/
	key: ${{ runner.os }}-${{ runner.arch }}-pypackages-${{ hashFiles('worker/pdm.lock', 'proto/transcribee_proto/*.py') }}

	- name: install dependencies
	run: ./packaging/install_dependencies.sh

	- name: cache pre-commit env
	uses: actions/cache@v3
	with:
	path: ~/.cache/pre-commit
	key: ${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('.pre-commit-config.yaml') }}

	- name: run pre-commit
	run: pre-commit run --show-diff-on-failure --color=always --all-files

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