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Difference between revisions of "MDT/OCL/Dev/EGit"
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===Clone Repository=== | ===Clone Repository=== | ||
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+ | The Eclipse GIT repositories are accessed using SSH, so you if you want write access, you should first make sure that you have [[EGit/User_Guide#Eclipse_SSH_Configuration | SSH keys]]. Then you should use the Git Repositories View of the Git Repository Exploring perspective to [[EGit/User_Guide#Cloning_Remote_Repositories | Create a clone of the existing Git repository]] accessed at ssh://''committer-id''@git.eclipse.org/gitroot/mdt/org.eclipse.ocl.git. ''committer-id'' is your Eclipse committer name, typically comprising the first letter of your first name followed by your last name. | ||
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+ | Creating the clone takes quite some time, perhaps five to ten minutes, not all of which has comforting progress indications. You can use a file explorer to watch the progress. A complete directory tree for each project appears late in the cloning process. | ||
===Create New Branch=== | ===Create New Branch=== |
Revision as of 05:31, 29 July 2011
The Eclipse OCL code is maintained in a GIT repository which is used by Clone Repository. This repository is used in a traditional 'client'/'server' fashion, even though GIT treats all users as peers. The definitive state is on the 'server' at git://git.eclipse.org/gitroot/mdt/org.eclipse.ocl.git. Individual committers establish 'client' clones of the 'server' so that for committers, the definitive development stream is at origin/master and each committer's master is a branch of origin/master. A definitive maintenance stream is at for instance origin/R3_1.
The capabilities of EGit are described at EGit/User Guide. The documentation here is complementary, it describes how the committers use EGit to satisfy typical use cases.
Contents
Complete Use Cases
Develop a Non-trivial Change
The normal evolution of the project code involves a non-trivial change that may take a few days or weeks to develop, may need review by another committer and may occur concurrently with some other change.
A Bugzilla describes the intended change and supports communication regarding the progress of the change.
The change is developed in a branch whose name starts with bug/nnnnnn where nnnnnn is the Bugzilla number. A short description may follow.
- Create New Branch or Switch to Local Branch or Switch to Remote Branch
- Develop and test changes
- Review Changes prior to commit
- Commit to Branch
- Push to Upstream to create a backup at Eclipse or to publish to other committers
- Create Patch to attach to Bugzilla for review
- Request Review
- Rebase Branch onto origin/master to synchronize with concurrent development
- Review Changes prior to merge
- Merge Branch onto origin/master to commit to the development stream
- Merge Branch onto Another Branch such as a maintenance branch
- Archive Old Branch to prune the EGit displays
Develop a Trivial Change
Very simple changes that do not require review, or must be performed in a hurry may be performed directly on the local master branch.
- Switch to local/master
- Pull from Upstream to synchronize with development stream
- Develop and test changes
- Review Changes prior to commit
- Commit to local/master
- Merge local/master onto origin/master to commit to the development stream
Partial Use Cases
Clone Repository
The Eclipse GIT repositories are accessed using SSH, so you if you want write access, you should first make sure that you have SSH keys. Then you should use the Git Repositories View of the Git Repository Exploring perspective to Create a clone of the existing Git repository accessed at ssh://committer-id@git.eclipse.org/gitroot/mdt/org.eclipse.ocl.git. committer-id is your Eclipse committer name, typically comprising the first letter of your first name followed by your last name.
Creating the clone takes quite some time, perhaps five to ten minutes, not all of which has comforting progress indications. You can use a file explorer to watch the progress. A complete directory tree for each project appears late in the cloning process.