Maintainer Workflow

Who is a maintainer? Maintainers are those who have been granted write access to the main repository of a project. In the example of the ORM, it would be this repository. This repository will be referred to as doctrine in this document.

You might want want to know how a maintainer is different from a contributor. The Maintainer Workflow is used primarily for the following:

Setup

First you must Fork the repository and clone your fork locally:

$ git clone [email protected]:username/doctrine2.git doctrine2-orm
$ cd doctrine2-orm

Fetch dependencies using composer:

$ composer install

Now add the doctrine remote for maintainers:

$ git remote add doctrine [email protected]:doctrine/doctrine2.git

Adjust your branch to track the doctrine master remote branch, by default it'll track your origin remote's master:

$ git config branch.master.remote doctrine

Optionally, add any additional contributor/maintainer forks, e.g.:

$ git remote add romanb git://github.com/romanb/doctrine2.git

Branching Model

Merging topic branches:

Configuring Remotes

Add remote repo for contributor/maintainer, if necessary (only needs to be done once per maintainer):

$ git remote add hobodave git://github.com/hobodave/doctrine2.git

Fetch remote:

$ git fetch hobodave

Merge topic branch into master:

$ git checkout master
Switched to branch 'master'
$ git merge --no-ff hobodave/DDC-588
Updating ea1b82a..05e9557
(Summary of changes)
$ git push doctrine master

The --no-ff flag causes the merge to always create a new commit object, even if the merge could be performed with a fast-forward. This avoids losing information about the historical existence of a topic branch and groups together all commits that together added the topic.

Release Branches

Release branches are created when master has reached the state of the next major or minor release. They allow for continuous bug fixes and patch releases of that particular release until the release is no longer supported.

The key moment to branch off a new release branch from master is when master reflects the desired state of the new release.

Creating a release branch

Release branches are created from the master branch. When the state of master is ready for the upcoming target version we branch off and give the release branch a name reflecting the target version number. In addition the ".0" release is tagged on the new release branch:

$ git checkout -b 2.0 doctrine/master
Switched to a new branch "2.0"
$ git push doctrine 2.0
$ git tag -a 2.0.0
$ git push doctrine 2.0

This new branch may exist for a while, at least until the release is no longer supported. During that time, bug fixes are applied in this branch (in addition to the master branch), if it is affected by the same bug. Adding large new features here is prohibited. They must be merged into master, and therefore, wait for the next major or minor release.