Merge pull request #33 from qupath/alanocallaghan-patch-2 #3

	name: Build and Publish Javadocs

	on:
	push:
	branches:
	- main
	tags:
	- v*

	jobs:
	build-and-publish-javadocs:
	permissions:
	pages: write
	contents: write
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up JDK
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '17'

	- name: Build Javadocs
	run: ./gradlew javadoc

	- name: Publish Javadocs to gh-pages
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	# fake ternary, see https://github.com/orgs/community/discussions/26738#discussioncomment-3253176
	destination_dir: ${{ github.ref == 'refs/heads/main' && 'latest' \|\| github.ref_name }}
	publish_dir: ./build/docs/javadoc
	publish_branch: gh-pages
	allow_empty_commit: true

	update-symlink:
	permissions:
	pages: write
	contents: write
	needs: build-and-publish-javadocs
	if: startsWith(github.ref, 'refs/tags/v')
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	ref: gh-pages
	- name: Update stable symlink
	run: \|
	rm stable
	ln -s ${{ github.ref_name }} stable
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Actions"
	git add stable
	git commit -m "Update stable symlink to ${{ github.ref_name }}"
	git push origin gh-pages

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