Monitor Homebrew Formula #6

	name: Monitor Homebrew Formula

	on: workflow_dispatch

	jobs:
	check-and-update:
	runs-on: ubuntu-latest

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

	- name: Fetch released version of Chapel formula
	run: \|
	curl -o hb_master_chapel.rb https://raw.githubusercontent.com/homebrew/homebrew-core/master/Formula/c/chapel.rb
	- name: Compare the released version with the chapel-release.rb
	id: compare
	run: \|
	if ! cmp -s remote_chapel.rb util/packaging/homebrew/chapel-release.rb; then
	echo "file_changed=true" >> $GITHUB_ENV
	else
	echo "file_changed=false" >> $GITHUB_ENV
	fi
	- name: Create a new branch if file has changed
	env:
	file_changed: ${{ steps.compare.outputs.file_changed }}
	if: ${{ env.file_changed == 'true' }}
	run: \|
	git config --global user.email "[email protected]"
	git config --global user.name "Your Name"
	git checkout -b update-chapel-main
	mv remote_chapel.rb chapel-main.rb
	git add chapel-main.rb
	git commit -m "Update chapel-main.rb with changes from chapel.rb"
	git push --set-upstream origin update-chapel-main
	echo "Homebrew has updated the formula!"

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