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README.md

JGit4MATLAB

JGit4MATLAB is a wrapper for JGit in MATLAB. It is meant to be used from the command line.

Installation

Download the full zip-file from [MATLAB Central File Exchange] (http://www.mathworks.com/matlabcentral/fileexchange/), extract to your working MATLAB folder, usually C:\Users\<username>\Documents\MATLAB and type JGit. This will download the latest version of JGit and edit your Java class path file called javaclasspath.txt that is also in your MATLAB working folder, making a copy called javaclasspath.txt.JGitSaved of javaclasspath.txt if it already exists.

After this you must restart MATLAB for the changes to your MATLAB Java static class path to take effect.

User Info

Set your global gitconfig user name and email using the following:

jgit setUserInfo '<John Doe>' <John.Doe@email.com>

You can retrieve your global gitconfig settings as well.

[name,email] = JGit.getUserInfo

SSH

Create your SSH keys using [PuTTY gen] (http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html) and convert them to OpenSSH format. If you set a passphrase, save it in %HOME%\.jsch-userinfo using the following:

jgit saveSSHpassphrase <passphrase>

Usage

In general usage is the same as in Git and org.eclipse.jgit.api.Git.

jgit <command> <args> <param> <key> ...
JGit.command(args,param,key,...)

Commands & Args

Add

Stage files to git repo.

jgit add file 
JGit.add({'list','of','files'})

Branch

Create, delete, list and rename branches.

JGit.branch('list') % list local branches 
JGit.branch('list',[],'listMode','REMOTE') % list remote branches 
JGit.branch('create','newFeature') % create "newFeature" branch 
JGit.branch('rename','superFeature','oldNames','newFeature') 
JGit.branch('create','remoteBranch', ... 
    'startPoint','refs/remotes/origin/remoteBranch', ... 
    'upstreamMode','TRACK') % track "remoteBranch" 
JGit.branch('delete',[],'oldNames',{'superFeature','remoteBranch})

Checkout

Check out a branch or commit, create a new branch or check out files from the index.

JGit.checkout('master') % checkout master 
JGit.checkout([],'path',{'file2.m','file2.m'}) % check out files 
JGit.checkout([],'startPoint','HEAD~1','path','file1.m') 
JGit.checkout('newBranch','createBranch',true) create a new branch. 
JGit.checkout('stable','createBranch',true, ... 
    'upstreamMode','SET_UPSTREAM','startPoint','origin/stable')

Clone

Clone a remote repository.

JGit.clone('git://github.com/eclipse/jgit.git', ... 
    'directory','repos/jgit')

Commit

Commit files to git repo. Any combination of commands will work. If getenv('EDITOR') is empty then notepad is used. An empty commit message throws a Java JGit exception.

JGit.commit
JGit.commit('all',true)
JGit.commit('message','your commit message')
JGit.commit('amend',true)
JGit.commit('author',{'name','email'})
JGit.commit('committer',{'name','email'})

Diff

View changes.

JGit.diff('previous','master',updated','feature', ... 
    'path',{'file1','file2},'difftool',true) % compare changes in file1 
    and file2 between "master" and "feature" branches using the MATLAB 
    visual comparison tool. 
JGit.diff('chached',true) % compare HEAD to staged files.

Fetch

Fetch changes from remote repository.

jgit fetch remote upstream

Init

Initialize or reinitialize a Git repository.

JGit.init('directory','repositories/myRepo')

Log

Return commit log. Any combination of commands will work. Commits are entered as strings which can be SHA1 of the commit, HEAD~N, where N is the number of commits from HEAD or as refs/heads/branch, where branch is the branch of the commit. You can use 'since' and 'until' independently or together. 'Since' shows commits newer than a given commit, and 'until' shows older commits. Commits are always shown from newest to oldest. Push the enter key to advance and q+enter to quit.

JGit.log
JGit.log('maxCount', 3) % show last 3 commits
JGit.log('since','HEAD~5') % show last 5 commits
JGit.log('until','HEAD~5') % show all except last 5 commits
JGit.log('skip',3) % show commits starting 4 commits ago

Merge

Merge refs.

jgit merge ref

Pull

Pull from repository.

jgit pull

Push

Push ref to remote.

jgit push ref master remote origin

Status

Return status of git repo. Staged files are links which will open them in the MATLAB editor.

jgit status
JGit.status

Other

Create an org.eclipse.jgit.api.Git instance. With this you can do almost anything. EG: git.reset.setRef('HEAD').addPath('JGit.m').call will unstage the file JGit.m from the current commit.

git = JGit.getGitAPI(gitDir) % create a Git instance for repo in gitDir

TODO

There are many porcelain functions that would be quick to implement: config, reset, tag, rebase.

All functions should call JGit.getGitAPI class function. Then they can use that instance to do whatever. For other methods, use the appropriate org.eclipse.jgit package directly.

A GUI to mimic gitk and git-gui. GUI options for some porcelain commands like log might also be nice. A log GUI that shows a banch graph would be especially nice.

To contribute, please clone the source at Github. Issues can also be posted on Github.

https://github.com/mikofski/JGit4MATLAB

For more information about the JGit API see their documentation.

http://download.eclipse.org/jgit/docs/latest/apidocs/org/eclipse/jgit/api/Git.html