Create code pngs #14

	name: Build Beamer Presentation

	on:
	push:
	tags:
	- "v*"
	pull_request:
	branches:
	- main
	paths:
	- 'presentation/**'

	permissions:
	contents: write
	pull-requests: write

	jobs:
	compile-latex:
	runs-on: ubuntu-latest

	steps:
	- name: Check out the repository
	uses: actions/checkout@v4

	- name: Install minimal TeX Live packages
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y \
	texlive-latex-base \
	texlive-latex-recommended \
	texlive-fonts-recommended \
	texlive-latex-extra \
	texlive-lang-czechslovak

	- name: Compile Beamer Presentation
	run: \|
	pdflatex -file-line-error -output-directory=presentation presentation/prezentace.tex
	pdflatex -file-line-error -output-directory=presentation presentation/prezentace.tex

	- name: Create artifacts
	uses: actions/upload-artifact@v4
	with:
	name: prezentace
	path: presentation/prezentace.pdf

	create-release:
	runs-on: ubuntu-latest
	needs: compile-latex
	if: github.ref == 'refs/tags/v*'

	steps:
	- name: Download artifacts
	uses: actions/download-artifact@v4
	with:
	name: prezentace
	- name: Create release with compiled presentation (tag push only)
	uses: softprops/action-gh-release@v2
	with:
	files: prezentace.pdf

	comment-on-pr:
	runs-on: ubuntu-latest
	needs: compile-latex
	if: github.event_name == 'pull_request'

	steps:
	- name: Comment on pull request with compiled presentation
	uses: thollander/actions-comment-pull-request@v3
	with:
	message: \|
	Compiled presentation is available [here](${{ steps.compile-latex.outputs.artifacts_url }}).

Provide feedback