npmci/ts/npmci.bash.ts

100 lines
3.0 KiB
TypeScript

import * as plugins from './npmci.plugins';
import * as paths from './npmci.paths';
import * as smartpromise from '@pushrocks/smartpromise';
/**
* wether nvm is available or not
*/
export let nvmAvailable = smartpromise.defer<boolean>();
/**
* 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 npmciSmartshell.execSilent(`bash -c "source /usr/local/nvm/nvm.sh"`)).exitCode === 0
) {
npmciSmartshell.shellEnv.addSourceFiles([`/usr/local/nvm/nvm.sh`]);
nvmAvailable.resolve(true);
} else if (
(await npmciSmartshell.execSilent(`bash -c "source ~/.nvm/nvm.sh"`)).exitCode === 0
) {
npmciSmartshell.shellEnv.addSourceFiles([`~/.nvm/nvm.sh`]);
nvmAvailable.resolve(true);
} else {
nvmAvailable.resolve(false);
}
} else {
nvmAvailable.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<string> => {
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<string> => {
return await bash(commandArg, -1);
};