I have an odd thing I would like to do in Node Express. I want to display the most SHA of the latest commit. And I also want to display the name of the current branch.

On the command line you can run the following to get the SHA of the latest commit.

> git rev-parse HEAD

To get the name of the current branch run the following.

> git rev-parse --abbrev-ref HEAD

How do you do this in Node?

I am sure there are several libraries out there that can help me out.

Poking around…

I found this node library git-repo-info https://github.com/rwjblue/git-repo-info [1]

Run the following command to install this module and save it to the package.json

> npm install -S git-repo-info

Here is my app.js

var express = require('express');
var config = require('config');
var gitInfo = require('git-repo-info')();

var app = express();
var server;

var start = exports.start = function start(port, callback) {
    server = app.listen(port, callback);
};

var stop = exports.stop = function stop(callback) {
    server.close(callback);
};

app.get('/git-info', function sendResponse(req, res) {
    res.json(
        {
            "commit-sha" : gitInfo.sha,
            "branch" : gitInfo.branch
        });
});

Now if I run it and open http://localhost:3000/git-info

Nice! That worked pretty well.

Pretty simple easy node library to pull in and use.

References

[1] node git-repo-info github page

https://github.com/rwjblue/git-repo-info

Accessed 5/2015

Node git info

Posted on Wednesday, May 13, 2015

References

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