Check if graph first_colour is set before using it as foreground colo… #1950

	name: Build and test on macOS
	on:
	push:
	branches:
	- main
	paths-ignore:
	- web/**
	- doc/**
	pull_request:
	branches:
	- main
	paths-ignore:
	- web/**
	- doc/**

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	SCCACHE_VERSION: "0.9.0"

	jobs:
	build:
	env:
	HOMEBREW_NO_INSTALL_UPGRADE: 1
	HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: 1
	strategy:
	matrix:
	os:
	- macos-13
	- macos-14
	runs-on: ${{ matrix.os }}
	steps:
	- name: Install dependencies
	run: \|
	brew install --force \
	cmake \
	curl \
	freetype \
	gettext \
	gperf \
	imlib2 \
	lcov \
	librsvg \
	libxfixes \
	libxft \
	libxi \
	libxinerama \
	libxml2 \
	lua \
	ninja \
	pkg-config \
	\|\| true # Ignore errors
	- name: Checkout
	uses: actions/checkout@v4
	- name: Configure sccache
	run: .github/scripts/setup-sccache.sh
	- name: Load cached compilation artifacts
	id: compiler-cache
	uses: actions/cache@v4
	with:
	path: "${{ env.SCCACHE_DIR }}"
	key: sccache-${{ matrix.os }}-${{ github.ref }}-${{ github.run_id }}
	restore-keys: \|
	sccache-${{ matrix.os }}-${{ github.ref }}
	- name: Configure with CMake
	run: \|
	# Reset sccache statistics
	sccache --zero-stats

	cmake . -B build -G Ninja \
	-DMAINTAINER_MODE=ON \
	-DBUILD_WAYLAND=OFF \
	-DBUILD_RSS=ON \
	-DBUILD_CURL=ON
	- name: Compile
	run: cmake --build build
	- name: Show sccache stats
	run: sccache --show-stats
	- name: Test
	working-directory: build
	run: ctest --output-on-failure

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