Hacking Mozilla Table of Contents
To get your code checked into mozilla.org's CVS repository you'll need to understand our code development cycle, coding practices, and checkin requirements. You probably also want to have a reasonable understanding about the project's organization.
(If you're looking for the document called Hacking Mozilla that used to live at this page, go to the first link below.)
A. Code Development
Life Cycle of a Patch (formerly "Hacking Mozilla")
  An overview of how to get the source, develop patches, get them reviewed, super-reviewed 
  and checked in the tree. 
Mozilla Hacker's Getting Started Guide 
  
  How is the source code organized, where to start, critical tools, rules to follow 
  to contribute.
Good First Bugs
  Want to help, but don't know where to start? Here are a few suggestions.
Code review 
  An FAQ about mozilla.org's code review and super-review process - what it's 
  for, how it works, what to expect. 
Super-review 
  What code needs super-review, what to do if you're seeking a super-review, a 
  list of super-reviewers, plus some tips about what to consider in your code 
  before seeking super-review.
Development Strategies
  Some strategies to help developers stay productive.
Tips on Contributing New Features to Mozilla 
  
  Design and implementation suggestions for large contributions. 
B. Mozilla Coding practices
Mozilla Coding Style Guide 
  Explanation of the basic styles and patterns that are used in the Mozilla codebase. 
  New code should try to conform to these standards. 
Seamonkey Code Reviewer's 
  Guide 
  A high level outline of what to look for when doing a code review. 
Rules and Tips  
  Questions to ask about your code before you submit it for super-review. 
C++ portability guide  
  Rules, guidelines, and tips for making C++ code portable across many machines 
  and compilers.
C. Checking Code into the mozilla.org tree
Working with the Seamonkey Tree 
  
  Description of how to build and test your code before checkin, how mozilla.org 
  manages checkins and each developer's responsibilities to the community when 
  code is committed.
The Seamonkey Engineering 
  Bible 
  An older but still useful document containing guidance on how to make checkins 
  go smoothly. 
Pre-checkin tests 
  The minimum tests that must be run before you check code in. 
Hacking Mozilla with Bonsai (aka "Being on the 
  Hook") 
  When your code is checked in you are "on the hook." Here's a description 
  of what this means.. 
Tinderbox
  Performance tests 
  These are the tests Tinderbox runs to measure performance.  They can be run on patches
  whose performance impact is suspect.
Performance Regression Policy 
  When the tree is to be closed due to performance regressions and how it is to 
  be reopened.
Run Smoketests using Litmus  
  Tests Mozilla Community QA runs each day on the verification builds.
Getting commit access to Mozilla source code
  
  Steps required to obtain CVS write access to mozilla.org's CVS repository. 
 
Using SSH to connect to cvs.mozilla.org FAQ
  
A guide to setting up access to cvs.mozilla.org using ssh.
 
How to complete the CVS Contributor Form 
  Information on completing the form one needs to fill out as part of the process 
  of getting CVS write access, plus a link to the form itself.
D. Project Organization
Mozilla Roles and Responsibilities 
  
  A description of the formalized roles in the Mozilla community -- mozilla.org, 
  drivers, module owners, etc. 
Mozilla Modules and Module Ownership 
  
  Information on the nature of Mozilla modules, role of module owners, criteria 
  for module ownership, and designating module owners. 
  Handling Mozilla 
  Security Bugs 
  mozilla.org policy for handling bugs related to security issues.