Update patterns.py #124

	name: Clang-Format Workflow

	on:
	push:
	branches: '**'
	pull_request:

	env:
	LLVM_VERSION: 15

	jobs:
	format:
	name: Check the formatting
	runs-on: windows-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Pin to a specific version
	run: \|
	$latestChocoVersion = (Get-LatestChocoPackageVersion -TargetVersion $env:LLVM_VERSION -PackageName "llvm")
	Choco-Install -PackageName llvm -ArgumentList '--allow-downgrade', '--version', $latestChocoVersion

	- name: Run clang-format
	env:
	RED4EXT_COMMIT_BEFORE: ${{ github.event.pull_request.base.sha \|\| github.event.before }}
	RED4EXT_COMMIT_AFTER: ${{ github.sha }}
	run: \|
	$output = (git `
	-c core.autocrlf=false `
	-c core.eol=lf `
	-c color.ui=always `
	clang-format `
	--style file `
	--diff $env:RED4EXT_COMMIT_BEFORE $env:RED4EXT_COMMIT_AFTER
	)?.Trim()

	Write-Output $output

	# A temporary fix for https://github.com/llvm/llvm-project/issues/56736.
	# TODO: Once LLVM 16 is released, reduce this to only the "git ... clang-format ..." command.
	if ($LASTEXITCODE -eq 1 -and !$output) {
	exit 0
	}

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