update apt before installing sudo and lsb_release #66

	name: build
	on:
	push:
	pull_request:

	jobs:
	install_pa_sources:
	name: install PA sources
	runs-on: ubuntu-latest
	steps:
	# Set steps.os.outputs.image to the specific OS (e.g. 'ubuntu20')
	- name: Get operating system name and version.
	id: os
	run: echo "image=$ImageOS" >>$GITHUB_OUTPUT
	shell: bash
	- uses: actions/checkout@v3
	- name: Cache pulseaudio source
	uses: actions/cache@v3
	env:
	cache-name: cache-pulseaudio-src
	with:
	path: ~/pulseaudio.src
	key: ${{ steps.os.outputs.image }}-build-${{ env.cache-name }}
	- run: scripts/install_pulseaudio_sources_apt.sh

	build:
	strategy:
	fail-fast: false
	matrix:
	include:

	- CC: gcc

	- CC: clang

	name: build with ${{ matrix.CC }}
	runs-on: ubuntu-latest
	needs: install_pa_sources
	env:
	CC: ${{ matrix.CC }}
	CFLAGS: -Wall -Wextra -Werror

	steps:
	- name: Get operating system name and version.
	id: os
	run: echo "image=$ImageOS" >>$GITHUB_OUTPUT
	shell: bash
	- name: Fetch pulseaudio sources
	uses: actions/cache@v3
	env:
	cache-name: cache-pulseaudio-src
	with:
	path: ~/pulseaudio.src
	key: ${{ steps.os.outputs.image }}-build-${{ env.cache-name }}
	- uses: actions/checkout@v3
	- run: sudo apt-get update
	- run: sudo apt-get -yq install build-essential libpulse-dev
	- run: ./bootstrap
	- run: ./configure PULSE_DIR=~/pulseaudio.src
	- run: make

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