Update flake.lock #1

	name: Update flake.lock

	on:
	schedule:
	# run every saturday
	- cron: '0 0 * * 6'
	workflow_dispatch:

	jobs:
	update:
	name: Run update
	runs-on: ubuntu-latest

	permissions:
	contents: write
	pull-requests: write

	env:
	PR_BRANCH: 'update-lockfiles'

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Nix
	uses: DeterminateSystems/nix-installer-action@v10

	- name: Set Git user info
	run: \|
	git config user.name 'github-actions[bot]'
	git config user.email 'github-actions[bot]@users.noreply.github.com'

	- name: Create new branch
	id: branch
	run: \|
	git switch -c "$PR_BRANCH"

	- name: Update flake inputs
	run: \|
	pushd nix/dev
	nix flake update \
	--commit-lock-file \
	--commit-lockfile-summary "nix: update dev flake.lock"
	popd

	nix flake update \
	--commit-lock-file \
	--commit-lockfile-summary "nix: update flake.lock"

	- name: Make PR if needed
	env:
	GH_TOKEN: ${{ github.token }}
	run: \|
	if ! git diff --color=always --exit-code origin/main; then
	git fetch origin "$PR_BRANCH" \|\| true
	git push --force-with-lease -u origin "$PR_BRANCH"

	open_prs="$(gh pr list --base main --head "$PR_BRANCH" \| wc -l)"
	if [ "$open_prs" -eq 0 ]; then
	gh pr create \
	--base main \
	--head "$PR_BRANCH" \
	--title "chore: update lockfiles" \
	--fill
	fi
	fi

	- name: Enable auto-merge
	shell: bash
	run: gh pr merge --auto --squash
	env:
	GH_TOKEN: ${{ secrets.MERGE_TOKEN }}

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