.github/workflows: update artifacts Actions #43

	name: Generate man pages
	on:
	push:
	branches:
	- '**'
	paths:
	- '**.ronn'
	- '**/ronn.yml'
	permissions:
	contents: read
	jobs:
	ronn:
	name: Ronn
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install ronn
	run: sudo apt-get update && sudo apt-get install -y ronn
	- name: Run ronn
	run: bash -O globstar -c 'ronn */.ronn'
	- name: Undo email mangling
	# rdiscount randomizes the output for no good reason, which causes
	# changes to always get committed. Sigh.
	# https://github.com/davidfstr/rdiscount/blob/6b1471ec3/ext/generate.c#L781-L795
	run: \|-
	for f in doc/*.html; do
	awk '/Filippo Valsorda/ { $0 = "<p>Filippo Valsorda <a href=\"mailto:[email protected]\" data-bare-link=\"true\">[email protected]</a></p>" } { print }' "$f" > "$f.tmp"
	mv "$f.tmp" "$f"
	done
	- name: Upload generated files
	uses: actions/upload-artifact@v4
	with:
	name: man-pages
	path: \|
	doc/*.1
	doc/*.html
	commit:
	name: Commit changes
	needs: ronn
	permissions:
	contents: write
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Download generated files
	uses: actions/download-artifact@v4
	with:
	name: man-pages
	path: doc/
	- name: Commit and push if changed
	run: \|-
	git config user.name "GitHub Actions"
	git config user.email "[email protected]"
	git add doc/
	git commit -m "doc: regenerate groff and html man pages" \|\| exit 0
	git push

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