import * as plugins from './npmci.plugins'; import * as paths from './npmci.paths'; import * as smartq from 'smartq'; /** * wether nvm is available or not */ export let nvmAvailable = smartq.defer(); export let yarnAvailable = smartq.defer(); /** * the smartshell instance for npmci */ let npmciSmartshell = new plugins.smartshell.Smartshell({ executor: 'bash', sourceFilePaths: [] }); /** * check for tools. */ let checkToolsAvailable = async () => { // check for nvm if (!process.env.NPMTS_TEST) { if ( (await plugins.smartshell.execSilent(`bash -c "source /usr/local/nvm/nvm.sh"`)).exitCode === 0 ) { npmciSmartshell.addSourceFiles([`/usr/local/nvm/nvm.sh`]); nvmAvailable.resolve(true); } else if ( (await plugins.smartshell.execSilent(`bash -c "source ~/.nvm/nvm.sh"`)).exitCode === 0 ) { npmciSmartshell.addSourceFiles([`~/.nvm/nvm.sh`]); nvmAvailable.resolve(true); } else { nvmAvailable.resolve(false); } // check for yarn await plugins.smartshell.which('yarn').then( async () => { await plugins.smartshell.exec( `yarn config set cache-folder ${plugins.path.join(paths.cwd, '.yarn')}` ); yarnAvailable.resolve(true); }, () => { yarnAvailable.resolve(false); } ); } else { nvmAvailable.resolve(true); yarnAvailable.resolve(true); } }; checkToolsAvailable(); /** * bash() allows using bash with nvm in path * @param commandArg - The command to execute * @param retryArg - The retryArg: 0 to any positive number will retry, -1 will always succeed, -2 will return undefined */ export let bash = async (commandArg: string, retryArg: number = 2): Promise => { await nvmAvailable.promise; // make sure nvm check has run let execResult: plugins.smartshell.IExecResult; // determine if we fail let failOnError: boolean = true; if (retryArg === -1) { failOnError = false; retryArg = 0; } if (!process.env.NPMTS_TEST) { // NPMTS_TEST is used during testing for (let i = 0; i <= retryArg; i++) { if (process.env.DEBUG_NPMCI === 'true') { console.log(commandArg); } execResult = await npmciSmartshell.exec(commandArg); // determine how bash reacts to error and success if (execResult.exitCode !== 0 && i === retryArg) { // something went wrong and retries are exhausted if (failOnError) { plugins.beautylog.error('something went wrong and retries are exhausted'); process.exit(1); } } else if (execResult.exitCode === 0) { // everything went fine, or no error wanted i = retryArg + 1; // retry +1 breaks for loop, if everything works out ok retrials are not wanted } else { plugins.beautylog.warn( 'Something went wrong! Exit Code: ' + execResult.exitCode.toString() ); plugins.beautylog.info('Retry ' + (i + 1).toString() + ' of ' + retryArg.toString()); } } } else { plugins.beautylog.log('ShellExec would be: ' + commandArg); execResult = { exitCode: 0, stdout: 'testOutput' }; } return execResult.stdout; }; /** * bashNoError allows executing stuff without throwing an error */ export let bashNoError = async (commandArg: string): Promise => { return await bash(commandArg, -1); };