public static void SetUpstreamSource (NGit.Repository repo, string branch, string remoteBranch)
{
StoredConfig config = repo.GetConfig ();
if (string.IsNullOrEmpty (remoteBranch)) {
config.UnsetSection ("branch", branch);
config.Save ();
return;
}
int i = remoteBranch.IndexOf ('/');
string upBranch;
if (i == -1) {
var tags = repo.GetTags ();
if (tags.ContainsKey (remoteBranch))
upBranch = Constants.R_TAGS + remoteBranch;
else
upBranch = Constants.R_HEADS + remoteBranch;
config.SetString ("branch", branch, "remote", ".");
} else {
upBranch = Constants.R_HEADS + remoteBranch.Substring (i + 1);
config.SetString ("branch", branch, "remote", remoteBranch.Substring (0, i));
}
config.SetString ("branch", branch, "merge", upBranch);
config.Save ();
}