minor clean in main.rs #70

	name: Presubmit
	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	build:
	name: Generate
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Setup Ninja
	uses: ./.github/actions/setup-ninja
	- name: Setup environement variables
	shell: bash
	run: \|
	set -x
	echo "android=${{ github.workspace }}/android" >> $GITHUB_ENV
	echo "ndk=android-ndk-r27c" >> $GITHUB_ENV
	- name: Checkout repositories
	shell: bash
	run: \|
	set -x
	mkdir -p ${{ env.android }}/external
	for repo in tests/*
	do
	name=$(basename ${repo})
	git init ${{ env.android }}/external/${name}
	git -C ${{ env.android }}/external/${name} remote add origin $(cat ${repo}/REPO)
	git -C ${{ env.android }}/external/${name} fetch --depth 1 origin $(cat ${repo}/VERSION)
	git -C ${{ env.android }}/external/${name} checkout $(cat ${repo}/VERSION)
	done
	- name: Download NDK
	shell: bash
	run: \|
	set -x
	ndk_zip=${{ env.ndk }}-linux.zip
	wget -q https://dl.google.com/android/repository/${ndk_zip}
	unzip -q ${ndk_zip}
	- name: Run ninja-to-soong
	shell: bash
	env:
	NINJA_TO_SOONG_SKIP_CMAKE_BUILD: 1
	run: \|
	set -x
	cargo run -- $(realpath ${{ env.android }}) $(realpath ${{ env.ndk }})
	- name: Check generated files
	shell: bash
	run: \|
	set -x
	git diff --exit-code
	- name: Check format
	shell: bash
	run: \|
	set -x
	find -name *.rs -exec rustfmt {} \+
	git diff --exit-code

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