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Contribution Processes

Special thanks to Apache Kafka from which most of this documented process was blatantly copied.

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Contributor Workflow

This is the simple workflow and will work well for small features development for people who don't have direct access to check in to the Apache repository. Let's assume you are working on a feature or bug called, KNOX-nnn:

1. Checkout a new repository:

2. Create and checkout a branch to work in:

3. Do some work on this branch and periodically checkin locally:

4. When done (or periodically) rebase your branch to take any changes from trunk:

5. Make a patch containing your work and upload it to JIRA:

6. You may need to iterate/rebase your patch a few times as people comment on the code until a commit checks it in to the main repository.

You will also want to ensure you have your username and email setup correctly so that we correctly record the source of the contribution:

Reviewer Workflow

This assumes you already have a copy of the repository.

1. Make sure your code is up-to-date:

2. Checkout the destination branch:

3. See what the patch will do:

4. See that the patch will apply cleanly (otherwise prod the contributor to rebase):

6. Apply the patch to trunk

If you get an error that says "Patch does not have a valid e-mail address." then the patch might have been created by doing git diff in which case you can apply the patch using.

If the am operation failed you will also need to remove the .git/rebase-apply/ that gets created

7. If things go wrong (tests fail, you find some problem, etc), you can back out:

8. If after review and running the test you want to push the change into the Apache repo:

Committer Workflow

If you have commit access on the Apache repository then you will not be applying patches in the manner described in the reviewer workflow. Instead, once your patch has been reviewed you will check it in yourself as follows:

1. Create a branch to work on:

2. Implement the feature. Commit as desired to phase the work.

3. Rebase as required to track the master branch.

4. Run the tests. Should always rebase before testing before submitting a patch.

5. Create a patch

6. Post the change patch file to JIRA and get it reviewed.

7. Push the change back to Apache. Pick one of the following:

Committer Workflow using Git Branches

If you are working on a sizable set of code, for instance, implementing a significant feature, then it is recommended to use a Git remote branch. This will not only help backup your code but also ensure the master branch is never in an unstable state. Also, using a branch will make for easy code reviews and collaboration. 

The workflow for creating a remote branch and using it is the following (presuming that you have done a git clone and are in the master branch) :

  1. Create a local branch from master:

2. Push the local branch remote and setup remote tracking

 

3. Implement the feature and commit and push as desired.

 

4. To update the branch from master at any time

 

5. To merge the branch back into master, first switch to the master branch and then merge.

 

6. After all code has been merged and the branch is no longer needed, it can be deleted remotely with:

To delete the branch locally

 

Github Workflow

Apache doesn't seem to provide a place to stash your work-in-progress branches or provide some of the nice social features github has. This can be a problem for larger features. Here are instructions for using github as a place to stash your work in progress changes.

Setting Up

1. As in the other workflows begin by checking out Knox (if you haven't already):

This sets up the remote alias "origin" automatically which refers back to the Apache repo.
2. Create a new github repository on your github account to use for stashing changes. There are various ways to do this, I just forked the Apache Knox repo (https://github.com/apache/knox) which creates a repo https://github.com//knox
3. Add an alias on your local repository to github to avoid typing:

Now you can push either to origin or to github.

Doing Work

1. You can create a branch named KNOX-nnn in your local repository and check it out

2. To set up a second machine to work on you can clone the github url.
3. To save your branch to your github repo do

4. To pull these changes onto the other machine where you have a copy of the repository you can do:

Review and pushing changes back to Apache works just as before.

Documentation Contributor Workflow

All of the documentation is maintained in a separate SVN repository to facilitate independent updates.

1. Checkout the SVN repository.

2. Edit site or documentation files.  Note that there are no version branches in the SVN repo.  Each version of the guides are maintained in separate directories identified by {version} in the example command blow.  In addition, most of the guides are in Markdown format and are broken into multiple sections as indicated by {section}.md in the command below.  These fils can be edited with the tool of your choice vi is only used as an example.

3. Create a patch.  We recommend naming the patch using the JIRA ID.  Upload the patch to the JIRA and request review from a committer.

 

Trademarks

Apache Knox Gateway, Apache, the Apache feather logo and the Apache Knox Gateway project logos are trademarks of The Apache Software Foundation. All other marks mentioned may be trademarks or registered trademarks of their respective owners.

License

Apache Knox uses the standard Apache license.

Privacy Policy

Apache Knox uses the standard Apache privacy policy.

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