Create draft release from upstream #5

	name: 'Create draft release from upstream'

	on:
	workflow_dispatch:
	inputs:
	release:
	description: 'Upstream release'
	required: true
	type: string
	publish:
	description: 'Whether to publish the release to GitHub on success'
	type: boolean
	required: false
	default: false

	jobs:
	publish-draft-release:
	runs-on: ubuntu-latest
	name: Publish draft release
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	token: ${{ secrets.CREATE_RELEASE_AUTOMATION_TOKEN }}
	- name: Configure git
	run: \|
	git config --global user.name "shiftbot"
	git config --global user.email "github@brendanforster.com"
	git remote add upstream https://github.com/desktop/desktop.git
	shell: bash
	- name: Create baseline branch on fork
	id: create-baseline-branch
	env:
	RELEASE_TAG: ${{ inputs.release }}
	BASE_BRANCH: 'linux-${{ inputs.release }}'
	run: \|
	git fetch upstream
	git checkout -b $BASE_BRANCH $RELEASE_TAG
	git push origin $BASE_BRANCH
	shell: bash
	- name: Rebase Linux customizations on top of upstream release branch
	id: rebase-linux-branch
	env:
	HEAD_BRANCH: 'apply-changes-${{ inputs.release }}'
	BASE_BRANCH: 'linux-${{ inputs.release }}'
	run: \|
	git fetch origin linux
	git checkout -b $HEAD_BRANCH linux
	git submodule update
	git rebase --onto $BASE_BRANCH development $HEAD_BRANCH
	git push origin $HEAD_BRANCH
	shell: bash

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