chore: test template subflake-nixpkgs-project #131

	---
	name: CI

	on:
	push:
	branches: [main]
	paths:
	- .github/workflows/ci.yml
	- flake.lock
	- flake.nix
	- 'flake-module/**'
	- 'template/**'
	pull_request:
	branches: [main]
	paths:
	- .github/workflows/ci.yml
	- flake.lock
	- flake.nix
	- 'flake-module/**'
	- 'template/**'

	jobs:
	check:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: DeterminateSystems/nix-installer-action@v19
	with:
	diagnostic-endpoint: ''

	- name: Check
	run: nix flake check

	check-template:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	include:
	- template: root
	- template: root-project
	- template: subflake-project
	dev_path: dev
	- template: subflake-nixpkgs-project
	dev_path: dev
	name: check-template (${{ matrix.template }})

	steps:
	- uses: actions/checkout@v4
	- uses: DeterminateSystems/nix-installer-action@v19
	with:
	diagnostic-endpoint: ''

	- name: Initialize project
	working-directory: ${{ runner.temp }}
	run: \|
	mkdir -p project
	cd project
	git init

	- name: Initialize flake template
	working-directory: ${{ runner.temp }}/project
	run: \|
	nix flake init -t ${{ github.workspace }}#${{ matrix.template }}
	git add --all --intent-to-add
	nix flake lock

	- name: Override dev-flake
	working-directory: ${{ runner.temp }}/project/${{ matrix.dev_path }}
	run: \|
	nix flake lock --override-input dev-flake path:${{ github.workspace }}

	- name: Check
	working-directory: ${{ runner.temp }}/project
	run: \|
	nix flake check --impure

Provide feedback