/// <summary>
/// Compute the tracking status for the <code>branchName</code> in
/// <code>repository</code>.
/// </summary>
/// <remarks>
/// Compute the tracking status for the <code>branchName</code> in
/// <code>repository</code>.
/// </remarks>
/// <param name="repository">the git repository to compute the status from</param>
/// <param name="branchName">the local branch</param>
/// <returns>the tracking status, or null if it is not known</returns>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
public static NGit.BranchTrackingStatus Of(Repository repository, string branchName
)
{
BranchConfig branchConfig = new BranchConfig(repository.GetConfig(), branchName);
string trackingBranch = branchConfig.GetTrackingBranch();
if (trackingBranch == null)
{
return null;
}
Ref tracking = repository.GetRef(trackingBranch);
if (tracking == null)
{
return null;
}
Ref local = repository.GetRef(branchName);
if (local == null)
{
return null;
}
RevWalk walk = new RevWalk(repository);
RevCommit localCommit = walk.ParseCommit(local.GetObjectId());
RevCommit trackingCommit = walk.ParseCommit(tracking.GetObjectId());
walk.SetRevFilter(RevFilter.MERGE_BASE);
walk.MarkStart(localCommit);
walk.MarkStart(trackingCommit);
RevCommit mergeBase = walk.Next();
walk.Reset();
walk.SetRevFilter(RevFilter.ALL);
int aheadCount = RevWalkUtils.Count(walk, localCommit, mergeBase);
int behindCount = RevWalkUtils.Count(walk, trackingCommit, mergeBase);
return new NGit.BranchTrackingStatus(trackingBranch, aheadCount, behindCount);
}
public virtual void GetRemoteTrackingBranchShouldReturnNullWithoutFetchSpec()
{
Config c = Parse(string.Empty + "[remote \"origin\"]\n" + " fetch = +refs/heads/onlyone:refs/remotes/origin/onlyone\n"
+ "[branch \"master\"]\n" + " remote = origin\n" + " merge = refs/heads/master\n"
);
//
BranchConfig branchConfig = new BranchConfig(c, "master");
NUnit.Framework.Assert.IsNull(branchConfig.GetRemoteTrackingBranch());
}
public virtual void GetRemoteTrackingBranchShouldHandleNormalCase()
{
Config c = Parse(string.Empty + "[remote \"origin\"]\n" + " fetch = +refs/heads/*:refs/remotes/origin/*\n"
+ "[branch \"master\"]\n" + " remote = origin\n" + " merge = refs/heads/master\n"
);
//
BranchConfig branchConfig = new BranchConfig(c, "master");
NUnit.Framework.Assert.AreEqual("refs/remotes/origin/master", branchConfig.GetRemoteTrackingBranch
());
}
public virtual void GetRemoteTrackingBranchShouldHandleOtherMapping()
{
Config c = Parse(string.Empty + "[remote \"test\"]\n" + " fetch = +refs/foo/*:refs/remotes/origin/foo/*\n"
+ " fetch = +refs/heads/*:refs/remotes/origin/*\n" + " fetch = +refs/other/*:refs/remotes/origin/other/*\n"
+ "[branch \"master\"]\n" + " remote = test\n" + " merge = refs/foo/master\n"
+ "\n");
//
BranchConfig branchConfig = new BranchConfig(c, "master");
NUnit.Framework.Assert.AreEqual("refs/remotes/origin/foo/master", branchConfig.GetRemoteTrackingBranch
());
}
