Regression range finder for Mozilla nightly builds
Python NSIS
Latest commit 5dd233d Oct 7, 2016 @wlach wlach committed on GitHub Merge pull request #436 from zapion/bug_1263361
Bug 1263361 - Exception in thread when hitting error ResourceNotFound…


Mozregression is an interactive regression range finder for quickly tracking down the source of bugs in Mozilla nightly and inbound builds.

You can start using MozRegression today:


Latest Version Downloads License

Build status:

  • Linux: Linux Build Status Coverage Status
  • Windows: Windows Build status

For more information see:

Building And Developing Mozregression

Want to hack on mozregression ? Cool!

Full environment setup

For a full environment setup (with GUI support), please see the gui/README.rst file. This is recommended.

Command line only

If you are really sure that you only want to hack on mozregression command line:

  1. Install virtualenv or virtualenvwrapper.

  2. install dependencies:

    With virtualenvwrapper:

    mkvirtualenv -p /usr/bin/python2 mozregression
    pip install -r requirements-dev.txt

    Or with virtualenv: ::

    virtualenv -p /usr/bin/python2 venv
    source venv/bin/activate
    pip install -r requirements-dev.txt
  3. run tests (be sure that your virtualenv is activated):

    # or, with coverage support:
    ./ -CH