Attempt to move diff generation to this repository #4

	name: Generate

	on:
	push:
	branches:
	- main
	pull_request: {}
	workflow_dispatch:
	inputs:
	ref:
	description: Ref of aj-foster/open-api-generator
	required: true
	type: string

	permissions:
	contents: write

	jobs:
	generate:
	name: Generate Diff
	runs-on: ubuntu-latest
	steps:
	- name: Setup Ref (Push)
	if: github.event_name == 'pull_request'
	run: \|
	echo "REF=main" >> $GITHUB_ENV

	- name: Setup Ref (Pull Request)
	if: github.event_name == 'pull_request'
	run: \|
	echo "REF=$GITHUB_HEAD_REF" >> $GITHUB_ENV

	- name: Setup Ref (Workflow Dispatch)
	if: github.event_name == 'workflow_dispatch'
	run: \|
	echo "REF=${{ inputs.ref }}" >> $GITHUB_ENV

	- name: Checkout (Diffs)
	uses: actions/checkout@v4
	with:
	repository: "aj-foster/open-api-diffs"
	ref: reduced
	path: diffs

	- name: Checkout (Generator)
	uses: actions/checkout@v4
	with:
	repository: "aj-foster/open-api-generator"
	path: generator

	- name: Setup BEAM
	uses: erlef/setup-beam@v1
	with:
	otp-version: "27.0"
	elixir-version: "1.17.1"

	- name: Generate Code
	run: \|
	cd diffs/
	elixir generate.exs "$REF"

	- name: Save Code
	run: \|
	cd generator/
	git checkout --orphan temporary-branch
	git rm -rf .
	mv ../diffs/output .
	git config user.name "github-actions[bot]"
	git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git add output/
	git commit -m "Generated output for aj-foster/open-api-generator@$REF"
	git tag -f "_diff/$REF"
	git push --tags --force

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