echo GITHUB_HEAD_REF and change the way we set env.DOCKER_IMAGE_TAG #160

	# automatically runs pytest to test the length conversion program whenever code is pushed to github

	name: test-conversion-program

	on:
	workflow_dispatch:
	push:
	pull_request:
	branches:
	- main

	jobs:
	run-pytest-only:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10"]
	container:
	image: ghcr.io/${{ github.repository }}/learn-maintenance-image-${{ matrix.python-version }}:latest
	credentials:
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	steps:
	- uses: actions/checkout@v3
	- run: python --version
	- run: pytest

	run-coveralls:
	runs-on: ubuntu-latest
	container:
	image: ghcr.io/${{ github.repository }}/learn-maintenance-image-3.7:latest
	credentials:
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	steps:
	- uses: actions/checkout@v3
	- run: python --version
	- run: coverage run -m --source=. pytest
	- run: coverage lcov
	- name: Coveralls GitHub Action
	uses: coverallsapp/github-action@master
	with:
	path-to-lcov: ./coverage.lcov
	github-token: ${{ secrets.GITHUB_TOKEN }}
	- run: coverage report

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