Porting the line ID tool from tardisanalysis #4143

	# For more information on how to use this template please refer to:
	# https://tardis-sn.github.io/tardis/contributing/development/continuous_integration.html

	name: mailmap

	on:
	pull_request_target:
	branches:
	- master

	jobs:
	check:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	fetch-depth: 0

	- name: Check PR authors
	run: cat .mailmap \| grep "$(git log $PR_BASE_SHA..HEAD --pretty='%aN <%aE>')"
	env:
	PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}

	- name: Error message
	run: \|
	echo "Committer name or email couldn't be found in .mailmap"
	echo; git log $PR_BASE_SHA..HEAD --pretty='%aN <%aE>'
	if: failure()

	- name: Create comment
	uses: peter-evans/create-or-update-comment@v2
	with:
	token: ${{ secrets.BOT_TOKEN }}
	issue-number: ${{ github.event.pull_request.number }}
	body: \|
	\beep\* \bop\*

	Hi, human.

	I'm the @tardis-bot and couldn't find your records in my database. I think we don't know each other, or you changed your credentials recently.

	Please add your name and email to `.mailmap` in your current branch and push the changes to this pull request.

	In case you need to map an existing alias, follow [this example](https://docs.enterprise.codescene.io/versions/2.0.0/getting-started/ensure-you-use-a-mailmap.html).
	if: failure()

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