git profanity check

git_profanity_check.js

#!/usr/bin/env node

// Copyright 2011, Tim Branyen @tbranyen <tim@tabdeveloper.com>
// Dual licensed under the MIT and GPL licenses.
// Script to detect cursewords in commit messages and provide the
// offending commit sha's.
var git = require('nodegit');

var curses = ['fuck', 'shit', 'bitch', 'ass', ],
    path = './.git',
    branch = 'master',
    wordExp = /\b\w+\b/g;

// Set git path
if (process.argv.length < 3) {
    console.log('No path passed as argument, defaulting to ./.git');
} else {
    path = process.argv[2];

    // Set repo branch
    if (process.argv.length < 4) {
        console.log('No branch passed as argument, defaulting to master');
    } else {
        branch = process.argv[3];
    }
}

// Open repository
git.repo(path, function(err, repo) {
    if (err) {
        throw new Error(err);
    }

    // Open branch
    repo.branch(branch, function(err, branch) {
        if (err) {
            throw new Error(err);
        }

        // Iterate history
        var history = branch.history();
        history.on('commit', function(idx, commit) {
            var messageWords = commit.message.match(wordExp);

            // Check commit messages first
            messageWords.forEach(function(word) {
                if (curses.indexof(word) > -1) {
                    console.log('Curse detected in commit', commit.sha, 'message');
                    return;
                }
            });
        });
    });
});