Unity version update #100

	name: CI
	on:
	push:
	branches:
	- master
	jobs:
	release:
	if: "!contains(github.event.head_commit.message, 'skip ci')"
	name: Release
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Semantic Release
	id: semantic
	uses: cycjimmy/[email protected]
	with:
	extra_plugins: \|
	@semantic-release/changelog
	@semantic-release/git
	branch: master
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Create UPM branch
	run: \|
	git branch -d upm &> /dev/null \|\| echo upm branch not found
	git subtree split -P "$PKG_ROOT" -b upm
	git checkout upm
	if [[ -d "Samples" ]]; then
	git mv Samples Samples~
	rm -f Samples.meta
	git config --global user.name 'github-bot'
	git config --global user.email '[email protected]'
	git commit -am "fix: Samples => Samples~"
	fi
	git push -f -u origin upm
	env:
	PKG_ROOT: "Packages/Polyhydra/"

	- name: Create UPM git tag
	if: steps.semantic.outputs.new_release_published == 'true'
	run: \|
	git tag $TAG upm
	git push origin --tags
	env:
	TAG: upm/v${{ steps.semantic.outputs.new_release_version }}

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