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< EclipseLink‎ | Development‎ | Process
Revision as of 16:44, 19 March 2012 by (Talk | contribs) (How do I get started?)

EclipseLink Development in Git

This page is for the Git usage portion of the dev process. It does not discuss issues with the build in Git, for more information on that please see: .

This page is a work in progress, posing the questions that need to be answered.  If you feel that you have more questions, please post them, if you can answer a question, please do.

EclipseLink Git FAQ

Brief Overview and History of Git

Git is a Distributed Version Control System (DVCS), which means there is no single point-of-failure and one can do useful work without a server. The ability to work while disconnected is very useful if a server is down or if the network connection to a server is unreliable (slow or firewalled).

The distributed nature of Git means that the source code is inherently backed-up across all the various 'clones' that may exist 'out there.' In addition, Git supports types of work-flows that are different from those supported by Subversion; these work-flows, while unfamiliar, are quite powerful and can 'overlap' - one developer may prefer a 'golden repository' work-flow while another likes 'trusted-lieutenants'; both can be supported simultaneously by the same repository.

Git was created by Linus Torvalds in 2005 to handle the source control requirements of the Linux kernel project. Linus previously used a for-pay DVCS called BitKeeper and grew to like the 'trusted -lieutenants' work-flow; however, the special license grant that let him use BitKeeper for free for kernel development changed. Shortly thereafter, he created Git. By 2008, other major open-source projects (Ruby-on-Rails, Android, etc.) moved to it as well.


How do I get started?

As shown in the picture above, graphical clients are typically not shipped with the 'core' Git distribution. There are a number of use-cases that only make sense (or only work!) from the command-line.

The 'core' Git distribution can be downloaded from the Git download site ( - there are links for a variety of operating systems (Linux, Mac OS X, Windows). Once you have the Git tools, you can always get the latest_&_greatest version of Git directly from its own repository:

prompt > git clone git://

If you have problems connecting (Git uses port 9418), you can try to access the repository over the HTTP protocol
(typically most Git server administrators setup HTTP access as read-only):

prompt > git clone


For those currently using Tortise SVN with Windows, I would recommend using Tortoise Git.

Download and install the latest Git for Windows All the versions appear to be beta/preview, so just pick the latest.

Download and install tortoisegit tortoisegit has the same look & feel as tortoisesvn<span id="fck_dom_range_temp_1332162837456_947" />

How does Git differ from SVN?

How do patches in Git differ from in SVN?

How is merging different between Git and SVN

How do I work on two different tasks at the same time?

What do I do when I am working on a large task, and have to put it aside to complete a shorter task?

What is the difference between a git fetch, git pull and git clone?

When/how do I create branches?

After the server branches, how do I get the information to my local repo?

What tools do you recommend, what are their strengths and weaknesses?

I've seen some issues with renaming things and how those things behave when other people update. Are there any gotchas?

What is Git Rebase? When would I use it?

How do I verify that 'what I push to the repo is actually there'?

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