Update #365

	name: Update

	on:
	schedule:
	- cron: '0 4 * * 5'
	workflow_dispatch:

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

	jobs:
	update:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- uses: cachix/install-nix-action@v25
	with:
	extra_nix_config: \|
	access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}

	- name: Update Erlang and Elixir
	run: nix run ./dev#update-beam --update-input nixpkgs --no-write-lock-file
	continue-on-error: true
	id: updated

	- name: Roll back if there is no modification
	run: git reset --hard ${{ github.sha }}
	if: ${{ steps.updated.outcome == 'failure' }}

	- uses: peter-evans/create-pull-request@v6
	with:
	commit-message: 'Update'
	# Use a fine-grained personal access token that can trigger other
	# workflows
	token: ${{ secrets.PAT_FOR_PR }}
	base: master
	title: 'chore: Update flake inputs'
	branch: create-pull-request/update
	labels: automation,update

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