small simplification of protodot generation; reduced error noise in CI #28

	name: Build and Test
	on:
	pull_request:
	types: [opened, synchronize, reopened]
	push:
	branches:
	- main

	jobs:
	report:
	name: Report
	runs-on: ubuntu-latest
	steps:
	- name: ref
	run: echo ${{ github.ref }}
	- name: event_name
	run: echo ${{ github.event_name }}
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v2
	- uses: arduino/setup-protoc@v2
	with:
	version: '21.9'
	repo-token: ${{ secrets.GITHUB_TOKEN }}
	- uses: actions/setup-go@v2
	with:
	go-version: ^1.20
	- name: install protodot
	run: go install github.com/seamia/[email protected]
	- name: install protoc-gen-go
	run: go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
	- name: Setup Graphviz
	uses: ts-graphviz/setup-graphviz@v1
	- name: make
	run: make proto
	- name: check no uncommitted files
	run: \|
	echo "changed and uncommitted files, excluding versions"
	diff=$(git diff -I'^\/\/\s+protoc(-gen-go)?\s+v[0-9]+\.[0-9+\.[0-9]+\s*$')
	if [ -n "diff" ]; then
	# print the diff so we can fix it, if there is an issue
	echo
	echo "differences other than tool version changes:"
	print "$diff"
	echo
	echo "differences including tool version changes:"
	git diff
	exit 1
	fi

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