gitloc.js

#!/usr/bin/env node
var COMMIT_FILE = '/Users/felix/pp/commits.csv';

var exec = require('child_process').exec,
    fs = require('fs');

exec('git log -1 HEAD --shortstat --pretty=format:"%ai%n%h%n%s"', function (err, stdout, stder) {
  if (err) {
    throw err;
  }

  var commitRow = stdout.match(/([^\n]+)\n([^\n]+)\n([^\n]+)\n.+?([\d]+) insertions.+?([\d]+) deletions/).slice(1);

  // remove time zone information, makes it easier for certain tools to parse the column as a date
  commitRow[0] = commitRow[0].replace(/ \+[\d]+$/, '');

  // escape subject for CSV
  commitRow[1] = commitRow[1].replace('"', '""');

  // add the project directory
  commitRow.push(process.cwd());

  // write the commit log entry to disc
  var commitFile = fs.createWriteStream(COMMIT_FILE, {flags: 'a'});
  commitFile.write(commitRow.join(',')+'\n');
  commitFile.end();

  console.log('Recorded git loc entry in: '+COMMIT_FILE);
});

Thanks, this is helpful!