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| __TOC__
| | The instructions previously available on this page have been superseded. See [https://gitlab.kitware.com/vtk/vtk/blob/master/Documentation/dev/git/README.md here]. |
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| VTK version tracking and development is hosted by [http://git-scm.com Git].
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| =Official Repository=
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| One may browse the repository online using the [http://git.wiki.kernel.org/index.php/Gitweb Gitweb] interface at http://vtk.org/gitweb.
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| ==Cloning==
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| These instructions assume a command prompt is available with <code>git</code> in the path.
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| See our Git [[Git/Download|download instructions]] for help installing Git.
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| One may clone the repository using [http://www.kernel.org/pub/software/scm/git/docs/git-clone.html git clone] through the native <code>git</code> protocol:
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| $ git clone git://vtk.org/VTK.git VTK
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| or through the (less efficient) <code>http</code> protocol:
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| $ git clone http://vtk.org/VTK.git VTK
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| All further commands work inside the local copy of the repository created by the clone:
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| $ cd VTK
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| For VTKData the URLs are
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| git://vtk.org/VTKData.git
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| http://vtk.org/VTKData.git
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| ==Branches==
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| At the time of this writing the repository has the following branches:
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| * '''master''': Development (default)
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| * '''release''': Release maintenance
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| * '''nightly-master''': Follows '''master''', updated at 01:00 UTC
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| * '''hooks''': Local commit hooks ([[Git/Hooks#Local|place]] in .git/hooks)
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| Release branches converted from CVS have been artificially merged into master.
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| Actual releases have tags named by the release version number.
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| =Development=
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| We provide here a brief introduction to '''VTK''' development with Git.
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| See the [[Git/Resources|Resources]] page for further information such as Git tutorials.
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| ==Introduction==
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| We require all commits in VTK to record valid author/committer name and email information.
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| Use [http://www.kernel.org/pub/software/scm/git/docs/git-config.html git config] to introduce yourself to Git:
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| $ git config --global user.name "Your Name" | |
| $ git config --global user.email "you@yourdomain.com"
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| Note that "Your Name" is your ''real name'' (e.g. "John Doe", not "jdoe").
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| While you're at it, optionally enable color output from Git commands:
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| $ git config --global color.ui auto
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| The <code>--global</code> option stores the configuration settings in <code>~/.gitconfig</code> in your home directory so that they apply to all repositories.
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| ==Hooks==
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| The '''hooks''' branch provides local commit hooks to be placed in <code>.git/hooks</code>.
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| It is shared by many <code>public.kitware.com</code> repositories.
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| See the general [[Git/Hooks|hooks]] information page to set up your local hooks. | |
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| ==Workflow==
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| We've chosen to approximate our previous CVS-based development workflow after the initial move to Git, at least while things get settled.
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| The basic rule is to rebase your work on origin/master before pushing:
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| git fetch origin
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| git rebase origin/master
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| or
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| git pull --rebase
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| The server will refuse your push if it contains any merges.
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| Later we will move to a full [http://public.kitware.com/Wiki/Git/Workflow/Topic branchy workflow] based on topic branches.
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| We already provide support for topic branches and merges through the VTK Topic Stage described in the next section.
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| ==Topic Stage==
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| We provide a "[http://vtk.org/stage/VTK.git VTK Topic Stage]" repository to which developers may publish arbitrary topic branches and request automatic merges.
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| The topic stage URLs are
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| * <code>git://vtk.org/stage/VTK.git</code> (clone, fetch)
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| * <code>http://vtk.org/stage/VTK.git</code> (clone, fetch, gitweb)
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| * <code>git@vtk.org:stage/VTK.git</code> (push)
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| See our [http://public.kitware.com/Wiki/Git/Workflow/Stage Topic Stage Workflow] documentation for general instructions.
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| ''(Currently VTK does not have a '''next''' branch. Just skip that part of the instructions and merge directly to master.)''
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| When accessing the VTK stage, one may optionally substitute
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| "<code>ssh git@vtk.org stage VTK ...</code>"
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| for
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| "<code>ssh git@public.kitware.com stage <repo> ...</code>"
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| in the ssh command-line interface.
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| {| border="0"
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| !colspan=2|Stage Usage Summary
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| |-
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| |align="center"|
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| '''Initial Setup:'''
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| $ git remote add stage git://vtk.org/stage/VTK.git
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| $ git config remote.stage.pushurl git@vtk.org:stage/VTK.git
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| |-
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| |align="center"|
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| '''Fetch Staged Topics:'''
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| $ git fetch stage --prune
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| |-
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| |align="center"|
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| '''Create Local Topic:'''
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| $ git checkout -b ''topic-name'' origin/master
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| $ edit files
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| $ git commit
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| |-
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| |align="center"|
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| '''Stage Current Topic:'''
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| $ git push stage HEAD
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| |-
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| |align="center"|
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| '''Print Staged Topics:'''
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| $ ssh git@vtk.org stage VTK print
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| |-
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| |align="center"|
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| '''Merge Staged Topic:'''
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| $ ssh git@vtk.org stage VTK merge ''topic-name''
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| |}
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| Note that the stage implementation is not VTK-specific and is used for other projects too.
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| If the merge attempt conflicts it may print instructions for performing the merge manually.
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| '''Ignore''' these instructions; you will not be able to push the merge commit directly.
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| Instead, identify the commit that conflicts with yours, merge it into your topic locally, push the topic to the stage again, and then repeat the merge request.
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| =Publishing=
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| ==Pushing==
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| Authorized developers may publish work directly to <code>vtk.org/VTK.git</code> using Git's SSH protocol.
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| To request access, fill out the [https://www.kitware.com/Admin/SendPassword.cgi Kitware Password] form.
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| See the [[Git/Publish#Push_Access|push instructions]] for details.
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| For VTK, configure the push URL:
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| git config remote.origin.pushurl git@vtk.org:VTK.git
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| For VTKData, configure the push URL:
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| git config remote.origin.pushurl git@vtk.org:VTKData.git
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| ===Update Hook===
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| The vtk.org repository has an <code>update</code> hook.
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| When someone tries to push changes to the repository it checks the commits as documented [[Git/Hooks#update|here]].
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| ==Patches==
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| Contributions of bug fixes and features are commonly produced by the community. Patches are a convenient method for managing such contributions.
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| One may send patches after subscribing to our mailing list:
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| * [http://www.vtk.org/mailman/listinfo/vtk-developers VTK Developers Mailing List]
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| See our [[Git/Publish#Patches|patch instructions]] for details.
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| = Troubleshooting =
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| == fatal: The remote end hung up unexpectedly ==
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| * If <tt>git push</tt> fails with "fatal: The remote end hung up unexpectedly", you probably forgot to set the push url with "git config" see [[#Pushing]].
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| == Restoring files locally ==
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| Q: "I cloned the VTK repository. Now I "rm -rf Hybrid". How do I get it back?"<br>
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| A: git checkout Hybrid<br>
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| Q: "I modified a file locally. I want to revert it."<br>
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| A: git checkout myfile.cxx
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| =Resources=
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| Additional information about Git may be obtained at sites listed [[Git/Resources|here]].
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