Update branch addition to not include branch for detached HEADs #12

	name: Publish

	on:
	push:
	tags:
	- v*

	jobs:
	publish:
	runs-on: ubuntu-latest
	environment: Gradle Plugin Portal
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Set up JDK 8
	uses: actions/setup-java@v1
	with:
	java-version: 8
	- name: Build plugin
	run: gradle build
	- name: Check code
	run: gradle check
	- name: Publish plugin
	run: gradle publishPlugins
	env:
	GRADLE_PUBLISH_KEY: ${{ secrets.GRADLE_PUBLISH_KEY }}
	GRADLE_PUBLISH_SECRET: ${{ secrets.GRADLE_PUBLISH_SECRET }}

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