Lint

Dump of: OMI 2023 and OMIPS 2023 #134

	name: Lint

	on:
	pull_request:

	env:
	GIT_USERNAME: ${{ github.actor }}
	GIT_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
	FIX_COMMIT_MESSAGE: Fixed /hook_tools/lint.py lints

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	ref: ${{ github.head_ref }}
	fetch-depth: 0
	submodules: true

	- name: Pull container
	run: ./utils/lint --only-pull-image

	- name: Lint
	run: \|
	git show ${{ github.event.pull_request.head.sha }} --format=%s --no-patch --no-color

	if [[ "$(git show ${{ github.event.pull_request.head.sha }} --format=%s --no-patch --no-color)" == "${{ env.FIX_COMMIT_MESSAGE }}" ]]; then
	# The previous commit is a lint-fix commit, do not attempt to
	# re-run the linter.
	./utils/lint \
	--command-name="utils/lint" \
	--diagnostics-output=github \
	validate --all
	exit 0
	fi

	./utils/lint \
	--command-name="utils/lint" \
	--diagnostics-output=github \
	fix --all && exit 0 \|\| true

	# The linter was able to find some fixable things.

	# Authenticate with GitHub.
	git config --global user.name "${{ env.GIT_USERNAME }}"
	git config --global user.email "${{ env.GIT_USERNAME }}@users.noreply.github.com"
	cat <<- EOF > $HOME/.netrc
	machine github.com
	login ${{ env.GIT_USERNAME }}
	password ${{ env.GIT_PASSWORD }}
	machine api.github.com
	login ${{ env.GIT_USERNAME }}
	password ${{ env.GIT_PASSWORD }}
	EOF
	chmod 600 $HOME/.netrc

	# Now push that commit to the source branch.
	git commit -am "${{ env.FIX_COMMIT_MESSAGE }}"
	git push origin HEAD:${{ github.head_ref }}

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