var sexec = require ( 'child_process' ).execSync; var vnu = require('vnu-jar'); var r = sexec(`java -jar ${vnu} --version`).toString(); return r;

https://nodejs.org/api/child_process.html#child_process_child_process_execsync_command_options

var childProcess = require('child_process'); var commitMessage = (function() { var spawn = childProcess.spawnSync('git', ['log', '--format=%B', '-n', '1']); var errorText = spawn.stderr.toString().trim(); if (errorText) { console.log('Fatal error from `git log`. You must have one commit before deploying.'); throw new Error(errorText); } else { return spawn.stdout.toString().trim(); } })(); 05.04.18

https://davidwalsh.name/catching-fatal-errors-nodejs-childprocess

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