DPS909 & OSD600 Winter 2017 - Lab 3

Finding a Bug to Fix in Mozilla Thimble

In this lab you will contribute to Mozilla's Thimble code editor, and a fix an existing bug. This lab will build on skills you learned in Lab 2.

1. Intro to Thimble

I've written a walkthrough blog post describing Thimble, how to set it up locally, and how to find and fix a bug. Take some time to read through this.

For this lab, you're going to do two things:

• Set up Thimble locally on your computer
• Pick a bug to work on for your first release

2. Setting up Bramble and Thimble

Before you can work on Thimble on your computer, you need to install the necessary development environment. The complete list of what you need to install is documented in the Thimble readme.

You should familiarize yourself with all of the following, which are used to host/run Thimble services:

• node.js (tutorial)
• VirtualBox (tutorial)
• Vagrant (tutorial)

Once you get Thimble running locally, take a screenshot in your browser and include that in your blog post.

3. Pick a Bug

For our first contribution to Thimble I suggest you look at the list of good first bugs. Read through these bugs and find one you'd like to try. It's OK if you're not sure how to fix it yet, part of what you're doing in this course is learning how to become productive in new and unfamiliar code.

Indicate in the bug that you'd like to work on it by leaving a comment. Only 1 person per bug, please; however, there are some bugs that can be split up into different parts. Talk to me if you're unsure.

After you've picked your bug, add your name and the issue number to the table below

#	Name	Issue (URL)	Blog Post (URL)
1
2	Simon de Almeida	https://github.com/mozilla/thimble.mozilla.org/issues/981	http://sdealmeida.com/fixing-a-thimble-bug/
3	Badr Modoukh	https://github.com/mozilla/thimble.mozilla.org/issues/1001	https://badrmodoukh.wordpress.com/2017/02/03/dps909-lab-3-fixing-a-bug-in-mozilla-thimble/
4	Igor Naperkovskiy	https://github.com/mozilla/thimble.mozilla.org/issues/1668	https://naperkovskiy.wordpress.com/2017/02/04/lab-3/
5	Ray Gervais	https://github.com/mozilla/thimble.mozilla.org/issues/1635	http://raygervais.ca/contributing-to-mozillas-thimble/
6	John	https://github.com/mozilla/thimble.mozilla.org/issues/1334	https://johnjamesa70.wordpress.com/2017/02/03/osd-lab-3-thimble-on-local-machine/
7	Andrey Bykin	https://github.com/mozilla/thimble.mozilla.org/issues/1632	https://andreybykin.wordpress.com/2017/02/03/osd-lab-3-setting-up-thimble-and-working-on-a-local-machine/
8	Theo D	https://github.com/mozilla/thimble.mozilla.org/issues/841	https://theoduleblog.wordpress.com/2017/02/03/blog-post-3-brackets-thimble-lab-3/
9	Nagashashank	https://github.com/mozilla/thimble.mozilla.org/issues/1528	https://npolugari.wordpress.com/2017/02/09/lab-3-installing-thimble-and-brackets/
10	Christopher Singh	https://github.com/mozilla/thimble.mozilla.org/issues/1534	https://cgsingh.wordpress.com/2017/01/28/lab-3-osd600-thimble-issue-1534
11	Oleg Mytryniuk	https://github.com/mozilla/thimble.mozilla.org/issues/1627	https://osd600mytryniuk.wordpress.com/2017/02/07/lab-3-installing-vagrant-experience/
12	Timothy Moy	https://github.com/mozilla/thimble.mozilla.org/issues/1633	https://timothymoy.wordpress.com/2017/02/03/osd600-lab-3-setting-up-thimble/
13	Xiao Lei Huang	https://github.com/mozilla/thimble.mozilla.org/issues/1673	Blog/
14	Eugueni Antsyferov	https://github.com/mozilla/thimble.mozilla.org/issues/1665	https://cartryblog.wordpress.com/2017/02/11/osd600-lab-3/
15	Eduardo Sorozabal	https://github.com/mozilla/thimble.mozilla.org/issues/1229	https://edyedyschool.tumblr.com/post/156785391298/lab-3
16	Margaryta Chepiga	https://github.com/mozilla/thimble.mozilla.org/issues/1596	https://mchepigablog.wordpress.com/2017/02/10/finding-a-bug-to-fix-in-mozilla-thimble/
17	Jerry Goguette	https://github.com/mozilla/thimble.mozilla.org/issues/1630	https://jgoguette.wordpress.com/2017/02/10/fixing-a-bug-in-thimblemozilla/
18	Dmytro Sych	https://github.com/mozilla/thimble.mozilla.org/issues/1154	https://dsych.wordpress.com/2017/02/11/contributing-to-thimble/
19	Heetai Park	https://github.com/mozilla/thimble.mozilla.org/issues/1677	https://tonypark0403.wordpress.com/2017/02/02/setting-up-thimble-for-the-issues-1677/
20	Kevin Ramsamujh	https://github.com/mozilla/thimble.mozilla.org/issues/1629
21	Len Isac	https://github.com/mozilla/thimble.mozilla.org/issues/719	https://lenisac.wordpress.com/2017/01/30/setting-up-vagrant-bramble-and-thimble-on-windows/
22	Wayne Williams	https://github.com/mozilla/thimble.mozilla.org/issues/1715	http://osd600osp.blogspot.ca/2017/02/lab-3-fixing-bug-in-mozilla-thimble.html
23	John (Bohoon) Kim	https://github.com/mozilla/thimble.mozilla.org/issues/1100	http://pokim8989.blogspot.ca/2017/02/lab-3-dps909-getting-thimble-to-work.html
24	Shivam Gupta	https://github.com/mozilla/thimble.mozilla.org/issues/1636	https://sgupta44blog.wordpress.com/2017/02/27/lab-3-setting-up-thimble-and-a-little-about-the-bug-i-am-working-on/
25	Peiying Yang	https://github.com/mozilla/thimble.mozilla.org/issues/1631	https://pyang16.wordpress.com/2017/02/10/fixing-a-bug-on-mozilla-thimble/
26	Rahul Gupta	https://github.com/mozilla/thimble.mozilla.org/issues/1703	https://rahul3guptablog.wordpress.com/2017/02/09/lab-3-fixing-a-bug-in-mozilla-thimble/
27	Dang Khue Tran	Thimble hangs when deleting last HTML file and refreshing browser. #1652	Blog Post
28	Maya Filipp	https://github.com/mozilla/thimble.mozilla.org/issues/1681	https://mordax.github.io/2017/03/02/brackets-and-thimbles.html
29	ZenanZha	https://github.com/mozilla/thimble.mozilla.org/issues/1608	http://zhazhazenan.blogspot.ca/2017/02/lab3-first-issue1608.html
30	Brandon Bhagwandeen	Issue 1719	Blog Post
31
32
33
34

Submission

You will have completed your lab when you have done the following:

• Setup Bramble and Thimble on your local computer, and taken a screenshot of it running in your browser
• Picked a bug to fix in Thimble
• Written a blog post discussing what it was like setting up Thimble, what you learned, and which bug you chose. What is the bug about?
• Added a row to the table above with your name, issue URL, and blog post URL.