public int Run(string id)
{
int changesetId;
if (!int.TryParse(id, out changesetId))
throw new GitTfsException("error: wrong format for changeset id...");
var sha = _globals.Repository.FindCommitHashByChangesetId(changesetId);
if (string.IsNullOrEmpty(sha))
throw new GitTfsException("error: commit not found for this changeset id...");
if (ReturnShaOnly)
{
Trace.TraceInformation(sha);
return GitTfsExitCodes.OK;
}
string commitishToCheckout = sha;
if (!string.IsNullOrEmpty(BranchName))
{
BranchName = _globals.Repository.AssertValidBranchName(BranchName);
if (!_globals.Repository.CreateBranch(BranchName.ToLocalGitRef(), sha))
throw new GitTfsException("error: can not create branch '" + BranchName + "'");
Trace.TraceInformation("Branch '" + BranchName + "' created...");
commitishToCheckout = BranchName;
}
if (!_globals.Repository.Checkout(commitishToCheckout))
throw new GitTfsException("error: unable to checkout '" + commitishToCheckout + "' due to changes in your workspace!",
new List<string> { "commit or stash your changes before retrying..." });
return GitTfsExitCodes.OK;
}