Feature/based on vnext/1.43 #13

	name: Check Feature Branch Origin

	on:
	pull_request:
	types:
	- opened
	- synchronize
	branches:
	- 'vnext/*'

	jobs:
	check-branch-origin:
	runs-on: ubuntu-latest
	env:
	MY_COMMAND: 'git show-branch -a \| sed "s/].//" \| grep "\" \| grep -v "$(git rev-parse --abbrev-ref HEAD)" \| head -n1 \| sed "s/^.*\[//"'

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: git fetch
	run: git fetch

	- name: Set Environment Variable
	run: echo "TEST=$MY_COMMAND" >> $GITHUB_ENV

	- name: Echo Command
	run: echo "$TEST"

	- name: Get common ancestor commit
	id: merge-base
	run: echo "COMMIT_HASH=$(git merge-base origin/${{ github.base_ref }} origin/${{ github.head_ref }})" >> $GITHUB_ENV

	- name: Verify branch origin
	run: \|
	common_ancestor_commit="$COMMIT_HASH"
	first_commit_in_feature_branch=$(git rev-list --max-parents=0 HEAD)

	if [ "$common_ancestor_commit" != "$first_commit_in_feature_branch" ]; then
	echo "Error: Feature branch was not created from master."
	exit 1
	fi

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