Comment and documentation improvement #760

Workflow file for this run

	name: Build & Test

	on:
	# Trigger on push to branches `master` and `3.5`.
	push:
	branches: [master, 3.5]
	# Trigger on pull request events for PRs that have `master` as their target branch
	pull_request:
	branches: [master]

	# Allow running the workflow manually
	workflow_dispatch:

	defaults:
	run:
	# GitHub Actions adds `errexit` and `pipefail` by default, but we add `xtrace`
	# to improve debugging some of the longer scripts.
	shell: /bin/bash -o errexit -o pipefail -o xtrace {0}

	permissions:
	contents: read # to fetch code (actions/checkout)

	jobs:
	main:
	# The type of runner that the job will run on
	runs-on: ubuntu-20.04
	name: ${{ matrix.test_name }}

	strategy:
	# Let other jobs continue even if one of them fails
	fail-fast: false
	matrix:
	include:
	- test_name: "lua5.4"
	lua_version: "5.4"
	lua_name: "lua5.4"
	lua_library: "/usr/local/lib/liblua.a"
	lua_include: "/usr/local/include"
	manual_screens: true

	- test_name: "codecov-lua5.3"
	lua_version: "5.3"
	lua_name: "lua5.3"
	coverage: "codecov"
	manual_screens: true

	- test_name: "lua5.2"
	lua_version: "5.2"
	lua_name: "lua5.2"
	manual_screens: true

	- test_name: "lua5.1"
	lua_version: "5.1"
	lua_name: "lua5.1"

	- test_name: "luajit"
	lua_version: "5.1"
	lua_name: "luajit"
	lua_library: "/usr/lib/x86_64-linux-gnu/libluajit-5.1.so"
	lua_include: "/usr/include/luajit-2.1"
	luarocks_args: "--lua-suffix=jit-2.1.0-beta3"

	# Lua 5.2 with fixed lgi version and screen size not divisible by 2.
	- test_name: "fixed-lgi-lua5.2"
	lua_version: "5.2"
	lua_name: "lua5.2"
	lgi_version: "0.9.2"
	tests_screen_size: "1921x1079"
	check_qa: true
	empty_theme_while_loading: true
	test_prev_commits: true

	env:
	LUA: ${{ matrix.lua_version }}
	LUAINCLUDE: ${{ matrix.lua_include \|\| format('/usr/include/lua{0}', matrix.lua_version) }}
	LUALIBRARY: ${{ matrix.lua_library \|\| format('/usr/lib/x86_64-linux-gnu/liblua{0}.so', matrix.lua_version) }}
	TESTS_SCREEN_SIZE: ${{ matrix.tests_screen_size }}
	TEST_TIMEOUT: "100"
	CI: "true"

	steps:
	# Create a cache invalidation key based on the current year + week.
	# This way, packages will be checked for updates once every week.
	- name: Get Date
	id: get-date
	run: echo "date=$(/bin/date -u "+%Y%W")" >> $GITHUB_OUTPUT

	- name: Cache apt packages
	id: cache-apt
	uses: actions/cache@v2
	with:
	path: /var/cache/apt/archives
	# The trailing number serves as a version flag that can be incremented
	# to invalidate the cache after changing the list of packages.
	key: ${{ github.workflow }}-${{ runner.os }}-${{ steps.get-date.outputs.date }}-apt-4

	- name: Download apt packages
	if: steps.cache-apt.outputs.cache-hit != 'true'
	run: \|
	sudo apt-get update
	sudo apt-get install --download-only -y --no-install-recommends \
	asciidoctor \
	cmake \
	dbus-x11 \
	gettext \
	gir1.2-gtk-3.0 \
	gir1.2-pango-1.0 \
	git \
	libdbus-1-dev \
	libgirepository1.0-dev \
	libnotify-bin \
	libpango1.0-dev \
	libstartup-notification0-dev \
	libx11-xcb-dev \
	libxcb-cursor-dev \
	libxcb-icccm4-dev \
	libxcb-keysyms1-dev \
	libxcb-randr0-dev \
	libxcb-shape0-dev \
	libxcb-util0-dev \
	libxcb-xfixes0-dev \
	libxcb-xinerama0-dev \
	libxcb-xkb-dev \
	libxcb-xrm-dev \
	libxcb-xtest0-dev \
	libxdg-basedir-dev \
	libxkbcommon-dev \
	libxkbcommon-x11-dev \
	wmctrl \
	x11-apps \
	xcb-proto \
	xdotool \
	xorg \
	xserver-xephyr \
	xterm \
	xutils-dev \
	xvfb \
	zsh \
	lua-discount \
	fonts-noto-core \
	fonts-dejavu-core \
	fonts-roboto-unhinted \
	fonts-open-sans

	- name: Install downloaded packages
	run: sudo dpkg -i /var/cache/apt/archives/*.deb

	- name: Install Lua packages
	if: matrix.lua_version != '5.4'
	run: \|
	if [ "${{ matrix.lua_name }}" = "luajit" ]; then
	sudo apt-get install libluajit-5.1-dev luajit
	fi
	sudo apt-get install liblua${{ matrix.lua_version }}-dev lua${{ matrix.lua_version }}

	# Ubuntu 20.04 hasn't a package for Lua 5.4, we need to build it from source.
	- name: Build and Install Lua 5.4
	if: matrix.lua_version == '5.4'
	run: \|
	wget -O /tmp/lua-5.4.3.tar.gz http://www.lua.org/ftp/lua-5.4.3.tar.gz
	tar -xf /tmp/lua-5.4.3.tar.gz -C /tmp
	cd /tmp/lua-5.4.3
	make all
	make test
	sudo make install

	- name: Cache luarocks
	id: cache-luarocks
	uses: actions/cache@v2
	with:
	path: /tmp/luarocks
	# The build input for luarocks changes per test, so we need separate caches
	key: ${{ github.workflow }}-${{ runner.os }}-${{ matrix.test_name }}-luarocks-3.8.0

	- name: Install fresh Luarocks
	if: steps.cache-luarocks.outputs.cache-hit != 'true'
	run: \|
	wget -O /tmp/luarocks.tar.gz https://github.com/luarocks/luarocks/archive/v3.8.0.tar.gz
	mkdir /tmp/luarocks
	tar -xf /tmp/luarocks.tar.gz -C /tmp/luarocks --strip-components=1
	cd /tmp/luarocks
	./configure --lua-version=${{ matrix.lua_version }} --with-lua-include=${LUAINCLUDE} ${{ matrix.luarocks_args }}
	make build
	sudo make install

	- name: Install cached Luarocks
	if: steps.cache-luarocks.outputs.cache-hit == 'true'
	run: \|
	cd /tmp/luarocks
	sudo make install

	- name: Cache xcb-errors
	id: cache-xcb-errors
	uses: actions/cache@v2
	with:
	path: /tmp/xcb-errors
	key: ${{ github.workflow }}-${{ runner.os }}-xcb-errors-1.0

	- name: Install fresh xcb-errors
	if: steps.cache-xcb-errors.outputs.cache-hit != 'true'
	run: \|
	git clone --recursive --depth 1 --branch 1.0 https://gitlab.freedesktop.org/xorg/lib/libxcb-errors.git /tmp/xcb-errors
	cd /tmp/xcb-errors
	./autogen.sh --prefix=/usr
	make
	sudo make install

	- name: Install cached xcb-errors
	if: steps.cache-xcb-errors.outputs.cache-hit == 'true'
	run: \|
	cd /tmp/xcb-errors
	sudo make install

	# Only LGI git master supports Lua 5.4. We need to build it from source.
	- name: Build and Install LGI
	if: matrix.lua_version == '5.4'
	run: \|
	wget -O /tmp/lgi.zip https://github.com/pavouk/lgi/archive/refs/heads/master.zip
	unzip /tmp/lgi.zip -d /tmp
	cd /tmp/lgi-master
	sed -i 's/5.1/5.4/' lgi/Makefile
	make all
	sudo make install

	- name: Install rocks
	run: \|
	if [ "${{ matrix.lua_name }}" != "lua5.4" ]; then
	sudo -H luarocks install lgi ${{ matrix.lgi_version }}
	fi
	sudo -H luarocks install ldoc
	sudo -H luarocks install busted

	- name: Install QA check rocks
	if: matrix.check_qa
	run: \|
	sudo -H luarocks install luacheck
	sudo -H luarocks install depgraph

	- name: Install cluacov rock
	if: matrix.coverage
	run: sudo -H luarocks install cluacov

	- name: Install codecov.io uploader
	if: matrix.coverage == 'codecov'
	run: wget -O /tmp/codecov-bash https://codecov.io/bash

	# Check out repository to ${{ github.workspace }}
	# Automatically picks the current branch/PR
	- uses: actions/checkout@v2

	- name: Create Build Environment
	run: cmake -E make_directory -B "${{ github.workspace }}/build"

	- name: Build Awesome version string
	run: \|
	# If this workflow is triggered by a pull request, we get a base branch.
	# Otherwise, check if the current commit has a meaningful name.
	if [ -n "${{ github.base_ref }}" ]; then
	AWESOME_VERSION="${{ github.base_ref }}"
	else
	AWESOME_VERSION="$(git rev-parse --abbrev-ref HEAD)"
	fi

	AWESOME_VERSION="${AWESOME_VERSION}-g$(git rev-parse --short HEAD)"

	if [ "${{ github.event_name }}" == "pull_request" && -n "${{ matrix.test_prev_commits }}" ]; then
	AWESOME_VERSION="${AWESOME_VERSION}-PR${{ github.event.number }}"
	elif [ "${{ github.event_name }}" == "pull_request" ]; then
	AWESOME_VERSION="v9999-PR${{ github.event.number }}"
	fi

	echo "AWESOME_VERSION=${AWESOME_VERSION}" >> ${GITHUB_ENV}

	- name: Configure CMake
	run: \|
	cmake -S ${{ github.workspace }} -B "${{ github.workspace}}/build" \
	-DAWESOME_VERSION=$AWESOME_VERSION \
	-DLUA_LIBRARY=$LUALIBRARY \
	-DLUA_INCLUDE_DIR=$LUAINCLUDE \
	-DGENERATE_DOC=OFF \
	-DGENERATE_MANPAGES=OFF \
	-DDO_COVERAGE=${{ matrix.coverage }} \
	-DTEST_MANUAL_SCREENS=${{ matrix.manual_screens }} \
	-DSTRICT_TESTS=true \
	-DCMAKE_C_FLAGS="-Werror"

	# Break beautiful so that trying to access the theme before `beautiful.init()` causes an error
	- name: Patch beautiful for an empty default theme
	if: matrix.empty_theme_while_loading
	run: \|
	sed -i -e 's/theme = {}/theme = setmetatable({}, { __index = function() error("May not access theme before beautiful.init()") end })/' lib/beautiful/init.lua
	grep -q 'May not access' lib/beautiful/init.lua

	- name: Build
	run: cd "${{ github.workspace }}/build" && make -j3

	# Executable needs to be run once to provide coverage results
	- name: Install and run
	run: \|
	cd "${{ github.workspace }}/build"
	sudo make install
	awesome --version

	- name: Run integration tests
	run: cd "${{ github.workspace }}/build" && make check-integration

	- name: Run unit tests
	run: cd "${{ github.workspace }}/build" && make check-unit

	- name: Run examples tests
	run: cd "${{ github.workspace }}/build" && make check-examples

	- name: Run requires tests
	if: matrix.coverage
	run: cd "${{ github.workspace }}/build" && make check-requires

	- name: Run themes tests
	run: cd "${{ github.workspace }}/build" && make check-themes

	- name: Generate Lua coverage report
	if: matrix.coverage == 'codecov'
	run: \|
	luacov

	- name: Upload Lua code coverage report
	if: matrix.coverage == 'codecov'
	uses: codecov/codecov-action@v3
	with:
	files: "${{ github.workspace }}/build/luacov.report.out"
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

	- name: Upload C code coverage report
	if: matrix.coverage == 'codecov'
	run: \|
	# Report coverage for each .gcno file separately.
	# gcov will create .gcov files for the same source (e.g. for
	# globalconf.h from awesome.c.gcno and event.c.gcno).
	i=0
	cd "${{ github.workspace }}/build"
	find -path "/lgi-check.dir" -prune -o $ -name '.gcno' -print $ \| while read -r gcno; do
	gcov -pb "$gcno"

	mkdir gcov.$(( ++i ))
	mv *.gcov "gcov.$i"

	# Delete any files for /usr.
	# They are not relevant and might cause "Invalid path part" errors
	# with Code Climate.
	find "gcov.$i" -maxdepth 1 -type f -name '#usr#*.gcov' -delete
	done

	# Upload to Codecov.
	bash /tmp/codecov-bash -X gcov -X coveragepy -F gcov

	# `check-qa` is the only test that doesn't get a coverage report, so it has to run after all of that.
	- name: Run qa tests
	if: matrix.check_qa
	run: cd "${{ github.workspace }}/build" && make check-qa

	# Check each commit separately (to make git-bisect less annoying).
	- name: Test previous commits
	if: matrix.test_prev_commits && github.event_name == 'pull_request'
	run: \|
	git remote add fork "${{ github.event.pull_request.head.repo.clone_url }}"
	# `actions/checkout` creates a shallow repo (`--depth 1`) by default,
	# which is fine for everything up until now. But we need individual commits now.
	# And we only want to unshallow now, to not slow down the checkout for other jobs.
	git fetch --unshallow --all

	rev_list="$(git rev-list --bisect-all origin/${{ github.base_ref }}..fork/${{ github.head_ref }})"
	# The most recent commit has already been tested. So if that's the
	# only commit in the PR, we can stop here.
	if [[ $(echo "$rev_list" \| wc -l) -lt 2 ]]; then
	exit 0
	fi

	commits="$(echo "$rev_list" \| grep -v 'dist=0' \| cut -d' ' -f 1)"
	n="$(echo "$commits" \| wc -l)"

	echo "Testing $n commits:"
	echo "$commits" \| xargs -I{} git log -1 --pretty='%h %s' {}

	failed=""
	for commit in $commits; do
	echo "Testing commit $commit"

	# Some files are updated when compiling...
	git checkout --force "$commit"
	git show --stat --oneline

	cmake -S ${{ github.workspace }} -B "${{ github.workspace}}/build" \
	-DAWESOME_VERSION=$AWESOME_VERSION \
	-DLUA_LIBRARY=$LUALIBRARY \
	-DLUA_INCLUDE_DIR=$LUAINCLUDE \
	-DGENERATE_DOC=OFF \
	-DGENERATE_MANPAGES=OFF \
	-DDO_COVERAGE=OFF \
	-DTEST_MANUAL_SCREENS=${{ matrix.manual_screens }} \
	-DSTRICT_TESTS=true \
	-DCMAKE_C_FLAGS="-Werror"

	cd "${{ github.workspace}}/build"
	if ! ( make && make check-unit ); then
	failed="$failed $commit"
	fi
	done

	git checkout --quiet --force fork/${{ github.head_ref }}
	if [ -n "$failed" ]; then
	echo "Checks failed for these commits:"

	for c in $failed; do
	git show --no-patch --pretty="%h %s (%an, %ad)" "$c"
	done

	exit 1
	fi

	# vim: filetype=yaml:expandtab:shiftwidth=2:tabstop=2

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Comment and documentation improvement #760

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Comment and documentation improvement #760

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