further exploration and troubleshooting #166

	name: pre-commit check

	# Based on https://github.com/pcdshub/pcds-ci-helpers/blob/master/.github/workflows/pre-commit.yml

	on:
	push:
	pull_request:

	jobs:
	pre-commit:
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@v3

	- name: Configure the matcher to annotate the diff
	run: \|
	# Ref: https://github.com/actions/toolkit/blob/main/docs/problem-matchers.md
	cat > "$HOME/flake8_problem_matcher.json" <<'EOF'
	{
	"problemMatcher": [
	{
	"owner": "flake8_error",
	"severity": "error",
	"pattern": [
	{
	"regexp": "^(.+):(\\d+):(\\d+): (E\\d+) (.+)$",
	"file": 1,
	"line": 2,
	"column": 3,
	"code": 4,
	"message": 5
	}
	]
	},
	{
	"owner": "flake8_warning",
	"severity": "warning",
	"pattern": [
	{
	"regexp": "^(.+):(\\d+):(\\d+): (W\\d+) (.+)$",
	"file": 1,
	"line": 2,
	"column": 3,
	"code": 4,
	"message": 5
	}
	]
	}
	]
	}
	EOF
	echo "::add-matcher::$HOME/flake8_problem_matcher.json"

	- name: Install pre-commit
	run: \|
	python -m pip install pre-commit

	- name: List Python package versions
	run: \|
	python -m pip freeze --local

	- name: Check for pre-commit configuration
	run: \|
	if [ ! -f ".pre-commit-config.yaml" ]; then
	echo "::error::No pre-commit configuration found!"
	exit 1
	fi

	- name: Switch to temporary branch
	run: \|
	# This is to avoid no-commit-to-branch from failing us when this is run
	# on master.
	git checkout -b _pre_commit_check_branch

	- name: Check pre-commit usage
	run: \|
	pre-commit run \
	--show-diff-on-failure \
	--color=always \
	--all-files

Provide feedback