Automerge #1406

	# This workflow executes the automerge python script to automatically merge
	# changes from the `main` branch of upstream LLVM into the `arm-software`
	# branch of the arm/arm-toolchain repository.
	name: Automerge
	on:
	workflow_run:
	workflows: [Sync from Upstream LLVM]
	types:
	- completed
	workflow_dispatch:
	jobs:
	Run-Automerge:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	branches:
	- from_branch: main
	to_branch: arm-software
	- from_branch: release/20.x
	to_branch: release/arm-software/20.x
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	ref: ${{ matrix.branches.to_branch }}
	- name: Configure Git Identity
	run: \|
	git config --local user.name "github-actions[bot]"
	git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
	- name: Fetch Branches
	run: \|
	git remote set-branches --add origin ${{ matrix.branches.from_branch }}
	git fetch origin ${{ matrix.branches.from_branch }}:${{ matrix.branches.from_branch }}
	git fetch origin --update-head-ok --unshallow ${{ matrix.branches.to_branch }}:${{ matrix.branches.to_branch }}
	- name: Run automerge
	run: python3 arm-software/ci/automerge.py --project-name ${{ github.repository }} --from-branch ${{ matrix.branches.from_branch }} --to-branch ${{ matrix.branches.to_branch }}
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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