add parameter to allow forcing an extraction even if no changes to li… #10

	name: Fetch Licenses

	on:
	workflow_dispatch:
	inputs:
	force_run:
	description: 'Force run license extraction'
	required: false
	default: 'false'
	schedule:
	- cron: '0 0 * * *' # Runs at midnight ET
	push:
	branches:
	- elr/update-licenses

	jobs:
	fetch-licenses:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Repository
	uses: actions/checkout@v2
	with:
	ref: auto-update-licenses

	- name: Checkout SPDX Repository
	uses: actions/checkout@v2
	with:
	repository: spdx/license-list-data
	path: spdx-license-list-data

	- name: Copy Licenses
	run: \|
	cp spdx-license-list-data/json/licenses.json cmd/licenses.json
	cp spdx-license-list-data/json/exceptions.json cmd/exceptions.json

	- name: Check for changes
	if: ${{ github.event.inputs.force_run == 'false' }}
	run: \|
	git diff --exit-code -- cmd/licenses.json cmd/exceptions.json \|\| exit 0

	- name: Run license extraction
	run: \|
	cd cmd
	go run . extract -l -e
	cd ..

	- name: Commit and push
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git add cmd/
	git commit -m "Add updated license files - $(date)" -a
	git push

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