npmci/ts/npmci.bash.ts
2017-03-11 02:41:18 +01:00

97 lines
3.0 KiB
TypeScript

import * as plugins from './npmci.plugins'
import * as smartq from 'smartq'
/**
* wether nvm is available or not
*/
export let nvmAvailable = smartq.defer<boolean>()
/**
* the smartshell instance for npmci
*/
let npmciSmartshell = new plugins.smartshell.Smartshell({
executor: 'bash',
sourceFilePaths: []
})
let checkNvm = async () => {
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)
};
}
checkNvm()
/**
* 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, bareArg: boolean = false): 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 (!bareArg) {
execResult = await npmciSmartshell.exec(commandArg)
} else {
execResult = await plugins.smartshell.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)
await plugins.smartdelay.delayFor(100)
execResult = {
exitCode: 0,
stdout: 'testOutput'
}
}
return execResult.stdout
}
/**
* bashBare allows usage of bash without sourcing any files like nvm
*/
export let bashBare = async (commandArg: string, retryArg: number = 2): Promise<string> => {
return await bash(commandArg, retryArg, true)
}
/**
* bashNoError allows executing stuff without throwing an error
*/
export let bashNoError = async (commandArg: string): Promise<string> => {
return await bash(commandArg, -1)
}