Build

perform cache restore #18

	name: "Build"
	on:
	push:
	pull_request:

	jobs:
	build:
	name: Build
	runs-on: ubuntu-22.04
	env:
	CMAKE_CXX_COMPILER_LAUNCHER: ccache
	CMAKE_C_COMPILER_LAUNCHER: ccache
	CC: /usr/lib/ccache/clang-20
	CXX: /usr/lib/ccache/clang++-20
	steps:
	- uses: actions/checkout@v5

	- name: Install Clang
	run: cd /tmp;
	wget https://apt.llvm.org/llvm.sh;
	chmod +x llvm.sh;
	sudo ./llvm.sh 20

	- name: Setup ccache
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	create-symlink: true

	- name: Setup cmake
	uses: jwlawson/actions-setup-cmake@v2
	with:
	cmake-version: '4.1.x'

	- name: Install Just
	uses: extractions/setup-just@v3

	- name: Install Conan
	uses: conan-io/setup-conan@v1
	with:
	cache_packages: true

	- name: Try and restore Conan cache
	uses: actions/cache/restore@v4
	with:
	path: \|
	conan_cache_save.tgz
	key: ${{ runner.os }}-conan-cache

	- name: Perform Conan restore
	run: conan cache restore conan_cache_save.tgz
	continue-on-error: true # when it hasn't been found

	- name: Setup Conan profile
	run: conan profile detect --force

	- name: Install more system deps
	run: sudo apt update; sudo apt install --yes clang ninja-build

	- name: Build deps
	run: just conan

	- name: Generate Conan cache
	run: conan cache save "*"

	- name: Save Conan cache
	uses: actions/cache/save@v4
	with:
	path: conan_cache_save.tgz
	key: ${{ runner.os }}-conan-cache

	- name: Build
	run: just build

	- name: Archive artefacts
	uses: actions/upload-artifact@v4
	with:
	name: musicvis3d
	path: build/musicvis

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