Use flatpak build instead of flatpak-builder #895

	name: CI

	# See also https://github.com/flatpak/flatpak-github-actions

	on:
	pull_request:
	branches: [main]
	workflow_dispatch:

	jobs:
	CI:
	runs-on: ubuntu-latest
	container:
	image: bilelmoussaoui/flatpak-github-actions:gnome-47
	options: --privileged

	steps:
	# https://github.com/actions/runner-images/issues/6775#issuecomment-1377299658
	- name: "Workaround"
	run: chown root:root .

	- uses: actions/checkout@v4
	with:
	submodules: recursive

	- uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: "npm"

	- name: Install host dependencies
	run: \|
	dnf -y install flatpak flatpak-builder make gcc gcc-c++ mutter

	# Restore caches
	- name: Restore Flatpak dependencies
	uses: actions/cache/restore@v3
	with:
	path: ~/.local/share/flatpak
	key: ${{ runner.os }}-flatpak-dependencies-${{ github.run_id }}
	restore-keys: \|
	${{ runner.os }}-flatpak-dependencies-
	- name: Restore .flatpak-builder
	uses: actions/cache/restore@v3
	with:
	path: .flatpak-builder
	key: ${{ runner.os }}-flatpak-builder-${{ github.run_id }}
	restore-keys: \|
	${{ runner.os }}-flatpak-builder-

	- run: mutter --wayland --no-x11 --headless --wayland-display=wayland-0 --virtual-monitor 1280x720 > /tmp/mutter.log 2>&1 &
	- run: make ci
	- run: cat /tmp/mutter.log

	# Save caches
	- name: Save Flatpak dependencies
	uses: actions/cache/save@v3
	if: always()
	with:
	path: ~/.local/share/flatpak
	key: ${{ runner.os }}-flatpak-dependencies-${{ github.run_id }}
	- name: Save .flatpak-builder
	uses: actions/cache/save@v3
	if: always()
	with:
	path: .flatpak-builder
	key: ${{ runner.os }}-flatpak-builder-${{ github.run_id }}

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