I'm trying to build a Java application that allows users to use Git based repositories. I was able to do this from the command-line, using the following commands:
git init
<create some files>
git add .
git commit
git remote add <remote repository name> <remote repository URI>
git push -u <remote repository name> master
This allowed me to create, add and commit content to my local repository and push contents to the remote repository. I am now trying to do the same thing in my Java code, using JGit. I was able to easily do git init, add and commit using JGit API.
Repository localRepo = new FileRepository(localPath);
this.git = new Git(localRepo);
localRepo.create();
git.add().addFilePattern(".").call();
git.commit().setMessage("test message").call();
Again, all of this works fine. I couldn't find any example or equivalent code for git remote add
and git push
. I did look at this SO question .
testPush()
fails with the error message TransportException: origin not found
. In the other examples I've seen https://gist.github.com/2487157 do git clone
before git push
and I don't understand why that's necessary.
Any pointers to how I can do this will be appreciated.
The easiest way is to use the JGit Porcelain API:
Git git = Git.open(localPath);
// add remote repo:
RemoteAddCommand remoteAddCommand = git.remoteAdd();
remoteAddCommand.setName("origin");
remoteAddCommand.setUri(new URIish(httpUrl));
// you can add more settings here if needed
remoteAddCommand.call();
// push to remote:
PushCommand pushCommand = git.push();
pushCommand.setCredentialsProvider(new UsernamePasswordCredentialsProvider("username", "password"));
// you can add more settings here if needed
pushCommand.call();
You will find in org.eclipse.jgit.test
all the example you need:
RemoteconfigTest.java
uses Config
:
config.setString("remote", "origin", "pushurl", "short:project.git"); config.setString("url", "https://server/repos/", "name", "short:"); RemoteConfig rc = new RemoteConfig(config, "origin"); assertFalse(rc.getPushURIs().isEmpty()); assertEquals("short:project.git", rc.getPushURIs().get(0).toASCIIString());
PushCommandTest.java illustrates various push scenario, using RemoteConfig
.
See testTrackingUpdate()
for a complete example pushing an tracking a remote branch.
Extracts:
String trackingBranch = "refs/remotes/" + remote + "/master"; RefUpdate trackingBranchRefUpdate = db.updateRef(trackingBranch); trackingBranchRefUpdate.setNewObjectId(commit1.getId()); trackingBranchRefUpdate.update(); URIish uri = new URIish(db2.getDirectory().toURI().toURL()); remoteConfig.addURI(uri); remoteConfig.addFetchRefSpec(new RefSpec("+refs/heads/*:refs/remotes/" + remote + "/*")); remoteConfig.update(config); config.save(); RevCommit commit2 = git.commit().setMessage("Commit to push").call(); RefSpec spec = new RefSpec(branch + ":" + branch); Iterable<PushResult> resultIterable = git.push().setRemote(remote) .setRefSpecs(spec).call();
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