git-unsaved/lib/index.js

Scan your projects directory for dirty git repositories.

"use strict";

var gitRepos = require("git-repos"),
    gitState = require("git-state"),
    couleurs = require("couleurs");

var TEN_MEGABYTES = 1e7;

function isClean(res) {
    return res.dirty === 0 && res.ahead === 0 && res.untracked === 0;
}

/**
 * gitUnsaved
 * Searches for dirty repositories.
 *
 * @name exports
 * @function
 * @param {String} target The directory path.
 * @param {Function} cb The callback function. It's going to be called for each dirty repository.
 * @return {EventEmitter} An event emitter created by [`git-repos`](https://github.com/IonicaBizau/node-git-repos).
 */
module.exports = function (target, cb) {
    return gitRepos(target, function (err, repoPath) {
        if (err) {
            return cb(err);
        }
        gitState.check(repoPath, {
            maxBuffer: TEN_MEGABYTES
        }, function (err, data) {
            if (err) {
                return cb(err);
            }
            if (isClean(data)) {
                return;
            }

            var res = {
                result: data,
                messages: [],
                path: repoPath
            };

            // Commits
            if (isNaN(data.ahead)) {
                res.messages.push("Add a " + couleurs.bold('remote address') + " to push the code to.");
            } else if (data.ahead) {
                res.messages.push("You have " + couleurs.bold(data.ahead) + " " + couleurs.bold('unpushed commits') + ".");
            }

            var modifiedAndUntracked = data.dirty + data.untracked;
            if (modifiedAndUntracked) {
                res.messages.push("You have " + couleurs.bold(modifiedAndUntracked) + " " + couleurs.bold('files you have to commit') + ".");
            }

            if (data.stashes) {
                res.messages.push("You have " + couleurs.bold(data.stashes) + " " + couleurs.bold('stashes') + ".");
            }

            cb(null, res);
        });
    });
};