setup-qemu-action/src/main.ts

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import * as os from 'os';
import * as mexec from './exec';
import * as core from '@actions/core';
import * as exec from '@actions/exec';
interface Platforms {
supported: string[];
available: string[];
}
async function run(): Promise<void> {
try {
if (os.platform() !== 'linux') {
core.setFailed('Only supported on linux platform');
return;
}
const image: string = core.getInput('image') || 'tonistiigi/binfmt:latest';
const platforms: string = core.getInput('platforms') || 'all';
core.info(`💎 Installing QEMU static binaries...`);
await exec.exec('docker', ['run', '--rm', '--privileged', image, '--install', platforms]);
core.info('🛒 Extracting available platforms...');
await mexec.exec(`docker`, ['run', '--rm', '--privileged', image], true).then(res => {
if (res.stderr != '' && !res.success) {
throw new Error(res.stderr);
}
const platforms: Platforms = JSON.parse(res.stdout.trim());
core.info(`${platforms.supported.join(',')}`);
core.setOutput('platforms', platforms.supported.join(','));
});
} catch (error) {
core.setFailed(error.message);
}
}
run();