update nightly FCS #201

	name: update nightly FCS

	on:
	schedule:
	- cron: '0 6 * * *'
	workflow_dispatch:

	jobs:
	bump-fcs:
	name: bump FCS to latest nightly
	runs-on: ubuntu-latest
	steps:
	- name: checkout nightly branch
	uses: actions/checkout@v3
	with:
	ref: nightly
	# using a custom token instead of GITHUB_TOKEN allows other workflows to trigger as a result of the push
	token: ${{ secrets.FCS_NIGHTLY_UPDATE_TOKEN }}
	- name: configure .NET
	uses: actions/setup-dotnet@v2
	- name: restore tools
	run: dotnet tool restore
	- name: bump FCS
	run: dotnet paket update FSharp.Compiler.Service
	- name: check if there are changes
	continue-on-error: true # nonzero exit codes are expected if there are changes
	id: check
	run: \|
	git diff --exit-code
	if [ $? -eq 0 ]; then
	echo "::set-output name=changed::false"
	else
	echo "::set-output name=changed::true"
	fi
	- name: commit changes
	if: steps.check.outputs.changed
	run: \|
	git config user.name github-actions
	git config user.email [email protected]
	git add paket.lock
	git commit -m "updated FCS to the latest nightly"
	git push

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