CI: Rework workflows to make them a bit easier to maintain #867

	name: pre-commit

	on: [push, pull_request]

	jobs:
	pre-commit:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/checkout@v4
	with:
	repository: AIDASoft/podio
	path: podio
	- uses: cvmfs-contrib/github-action-cvmfs@v4
	- uses: aidasoft/run-lcg-view@v4
	with:
	release-platform: LCG_104/x86_64-el9-clang16-opt
	run: \|
	STARTDIR=$(pwd)
	echo "::group::Build podio"
	cd podio
	echo "Building podio @"$(git log -1 --format=%H)
	cmake .. -DCMAKE_CXX_STANDARD=20 \
	-DENABLE_SIO=ON \
	-DBUILD_TESTING=OFF \
	-DCMAKE_INSTALL_PREFIX=$(pwd)install \
	-G Ninja -B build
	cmake --build build --target install
	source init.sh && source env.sh
	echo "::endgroup::"
	echo "::group::Run pre-commit"
	cd $STARTDIR
	export PYTHONPATH=$(python -m site --user-site):$PYTHONPATH
	export PATH=/root/.local/bin:$PATH
	pip install argparse --user
	cmake .. -DENABLE_SIO=ON \
	-DCMAKE_CXX_STANDARD=20 \
	-DCMAKE_CXX_FLAGS=" -fdiagnostics-color=always -Werror "\
	-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
	-DUSE_EXTERNAL_CATCH2=OFF -B build
	ln -s $(pwd)/build/compile_commands.json ./compile_commands.json
	pip install pre-commit --user
	pre-commit run --show-diff-on-failure \
	--color=always \
	--all-files
	echo "::endgroup::"

Provide feedback