Make PDF 6 parallel #6

	name: Build PDF in parallel (with log output)

	on:
	workflow_dispatch:

	jobs:
	build-and-release:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	part: [hpmor-1, hpmor-2, hpmor-3, hpmor-4, hpmor-5, hpmor-6]
	steps:
	- name: checkout repository
	uses: actions/checkout@v4
	with:
	persist-credentials: false
	fetch-depth: 1 # 0 if you want to push to repo

	- name: cache LaTeX files
	uses: actions/cache@v4
	with:
	path: \|
	chapters/*.aux
	hpmor*.aux
	hpmor*.fdb_latexmk
	hpmor*.fls
	hpmor*.out
	hpmor*.pdf
	hpmor*.toc
	hpmor*.xdv
	key: latex-build-files

	- name: install PDF requirements
	run: \|
	# not: to save time
	# sudo apt update > /dev/null
	sh scripts/install_requirements_pdf.sh > /dev/null

	- name: make PDF
	run: latexmk ${{ matrix.part }} > /dev/null

	- name: publish PDF to release
	uses: softprops/action-gh-release@v2
	with:
	tag_name: WorkInProgress
	prerelease: true
	files: ${{ matrix.part }}.pdf

	- name: upload log as artifact
	uses: actions/upload-artifact@v4
	with:
	name: "${{ matrix.part }}.log"
	path: "${{ matrix.part }}.log"

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