public void testRenameRefNameColission1avoided()
{
// setup
ObjectId rb = db.Resolve("refs/heads/b");
writeSymref(Constants.HEAD, "refs/heads/a");
RefUpdate updateRef = db.UpdateRef("refs/heads/a");
updateRef.NewObjectId = rb;
updateRef.setRefLogMessage("Setup", false);
Assert.AreEqual(RefUpdate.RefUpdateResult.FAST_FORWARD, updateRef.update());
ObjectId oldHead = db.Resolve(Constants.HEAD);
Assert.IsTrue(rb.Equals(oldHead)); // assumption for this test
writeReflog(db, rb, rb, "Just a message", "refs/heads/a");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/a")).Exists, "internal check, we have a log");
// Now this is our test
RefRename renameRef = db.RenameRef("refs/heads/a", "refs/heads/a/b");
RefUpdate.RefUpdateResult result = renameRef.rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.RENAMED, result);
Assert.IsNull(db.Resolve("refs/heads/a"));
Assert.AreEqual(rb, db.Resolve("refs/heads/a/b"));
Assert.AreEqual(3, db.ReflogReader("a/b").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed a to a/b", db.ReflogReader("a/b")
.getReverseEntries()[0].getComment());
Assert.AreEqual("Just a message", db.ReflogReader("a/b")
.getReverseEntries()[1].getComment());
Assert.AreEqual("Setup", db.ReflogReader("a/b").getReverseEntries()
[2].getComment());
// same thing was logged to HEAD
Assert.AreEqual("Branch: renamed a to a/b", db.ReflogReader("HEAD")
.getReverseEntries()[0].getComment());
}
public void testRenameCurrentBranch()
{
ObjectId rb = db.Resolve("refs/heads/b");
writeSymref(Constants.HEAD, "refs/heads/b");
ObjectId oldHead = db.Resolve(Constants.HEAD);
Assert.IsTrue(rb.Equals(oldHead), "internal test condition, b == HEAD");
writeReflog(db, rb, rb, "Just a message", "refs/heads/b");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists, "log on old branch");
RefRename renameRef = db.RenameRef("refs/heads/b",
"refs/heads/new/name");
RefUpdate.RefUpdateResult result = renameRef.rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.RENAMED, result);
Assert.AreEqual(rb, db.Resolve("refs/heads/new/name"));
Assert.IsNull(db.Resolve("refs/heads/b"));
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader(
"new/name").getLastEntry().getComment());
Assert.IsFalse(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists);
Assert.AreEqual(rb, db.Resolve(Constants.HEAD));
Assert.AreEqual(2, db.ReflogReader("new/name").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader("new/name").getReverseEntries()[0].getComment());
Assert.AreEqual("Just a message", db.ReflogReader("new/name").getReverseEntries()[1].getComment());
}
public virtual void TestRenameCurrentBranch()
{
ObjectId rb = db.Resolve("refs/heads/b");
WriteSymref(Constants.HEAD, "refs/heads/b");
ObjectId oldHead = db.Resolve(Constants.HEAD);
NUnit.Framework.Assert.AreEqual(oldHead, rb, "internal test condition, b == HEAD"
);
WriteReflog(db, rb, "Just a message", "refs/heads/b");
NUnit.Framework.Assert.IsTrue(new FilePath(db.Directory, "logs/refs/heads/b").Exists
(), "log on old branch");
RefRename renameRef = db.RenameRef("refs/heads/b", "refs/heads/new/name");
RefUpdate.Result result = renameRef.Rename();
NUnit.Framework.Assert.AreEqual(RefUpdate.Result.RENAMED, result);
NUnit.Framework.Assert.AreEqual(rb, db.Resolve("refs/heads/new/name"));
NUnit.Framework.Assert.IsNull(db.Resolve("refs/heads/b"));
NUnit.Framework.Assert.AreEqual("Branch: renamed b to new/name", db.GetReflogReader
("new/name").GetLastEntry().GetComment());
NUnit.Framework.Assert.IsFalse(new FilePath(db.Directory, "logs/refs/heads/b").Exists
());
NUnit.Framework.Assert.AreEqual(rb, db.Resolve(Constants.HEAD));
NUnit.Framework.Assert.AreEqual(2, db.GetReflogReader("new/name").GetReverseEntries
().Count);
NUnit.Framework.Assert.AreEqual("Branch: renamed b to new/name", db.GetReflogReader
("new/name").GetReverseEntries()[0].GetComment());
NUnit.Framework.Assert.AreEqual("Just a message", db.GetReflogReader("new/name").
GetReverseEntries()[1].GetComment());
}
public void tryRenameWhenLocked(string toLock, string fromName,
string toName, string headPointsTo)
{
// setup
writeSymref(Constants.HEAD, headPointsTo);
ObjectId oldfromId = db.Resolve(fromName);
ObjectId oldHeadId = db.Resolve(Constants.HEAD);
writeReflog(db, oldfromId, oldfromId, "Just a message",
fromName);
IList <ReflogReader.Entry> oldFromLog = db
.ReflogReader(fromName).getReverseEntries();
IList <ReflogReader.Entry> oldHeadLog = oldHeadId != null?db
.ReflogReader(Constants.HEAD).getReverseEntries() : null;
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/" + fromName)).Exists, "internal check, we have a log");
// "someone" has branch X locked
var lockFile = new LockFile(new FileInfo(Path.Combine(db.Directory.FullName, toLock)));
try
{
Assert.IsTrue(lockFile.Lock());
// Now this is our test
RefRename renameRef = db.RenameRef(fromName, toName);
RefUpdate.RefUpdateResult result = renameRef.rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.LOCK_FAILURE, result);
// Check that the involved refs are the same despite the failure
assertExists(false, toName);
if (!toLock.Equals(toName))
{
assertExists(false, toName + ".lock");
}
assertExists(true, toLock + ".lock");
if (!toLock.Equals(fromName))
{
assertExists(false, "logs/" + fromName + ".lock");
}
assertExists(false, "logs/" + toName + ".lock");
Assert.AreEqual(oldHeadId, db.Resolve(Constants.HEAD));
Assert.AreEqual(oldfromId, db.Resolve(fromName));
Assert.IsNull(db.Resolve(toName));
Assert.AreEqual(oldFromLog.ToString(), db.ReflogReader(fromName)
.getReverseEntries().ToString());
if (oldHeadId != null)
{
Assert.AreEqual(oldHeadLog.ToString(), db.ReflogReader(Constants.HEAD)
.getReverseEntries().ToString());
}
}
finally
{
lockFile.Unlock();
}
}
public virtual void TestRenameBranchAlsoInPack()
{
ObjectId rb = db.Resolve("refs/heads/b");
ObjectId rb2 = db.Resolve("refs/heads/b~1");
NUnit.Framework.Assert.AreEqual(RefStorage.PACKED, db.GetRef("refs/heads/b").GetStorage
());
RefUpdate updateRef = db.UpdateRef("refs/heads/b");
updateRef.SetNewObjectId(rb2);
updateRef.SetForceUpdate(true);
RefUpdate.Result update = updateRef.Update();
NUnit.Framework.Assert.AreEqual(RefUpdate.Result.FORCED, update, "internal check new ref is loose"
);
NUnit.Framework.Assert.AreEqual(RefStorage.LOOSE, db.GetRef("refs/heads/b").GetStorage
());
WriteReflog(db, rb, "Just a message", "refs/heads/b");
NUnit.Framework.Assert.IsTrue(new FilePath(db.Directory, "logs/refs/heads/b").Exists
(), "log on old branch");
RefRename renameRef = db.RenameRef("refs/heads/b", "refs/heads/new/name");
RefUpdate.Result result = renameRef.Rename();
NUnit.Framework.Assert.AreEqual(RefUpdate.Result.RENAMED, result);
NUnit.Framework.Assert.AreEqual(rb2, db.Resolve("refs/heads/new/name"));
NUnit.Framework.Assert.IsNull(db.Resolve("refs/heads/b"));
NUnit.Framework.Assert.AreEqual("Branch: renamed b to new/name", db.GetReflogReader
("new/name").GetLastEntry().GetComment());
NUnit.Framework.Assert.AreEqual(3, db.GetReflogReader("refs/heads/new/name").GetReverseEntries
().Count);
NUnit.Framework.Assert.AreEqual("Branch: renamed b to new/name", db.GetReflogReader
("refs/heads/new/name").GetReverseEntries()[0].GetComment());
NUnit.Framework.Assert.AreEqual(0, db.GetReflogReader("HEAD").GetReverseEntries()
.Count);
// make sure b's log file is gone too.
NUnit.Framework.Assert.IsFalse(new FilePath(db.Directory, "logs/refs/heads/b").Exists
());
// Create new Repository instance, to reread caches and make sure our
// assumptions are persistent.
Repository ndb = new FileRepository(db.Directory);
NUnit.Framework.Assert.AreEqual(rb2, ndb.Resolve("refs/heads/new/name"));
NUnit.Framework.Assert.IsNull(ndb.Resolve("refs/heads/b"));
}
public void testRenameBranchNoPreviousLog()
{
Assert.IsFalse(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists, "precondition, no log on old branchg");
ObjectId rb = db.Resolve("refs/heads/b");
ObjectId oldHead = db.Resolve(Constants.HEAD);
Assert.IsFalse(rb.Equals(oldHead)); // assumption for this test
RefRename renameRef = db.RenameRef("refs/heads/b",
"refs/heads/new/name");
RefUpdate.RefUpdateResult result = renameRef.rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.RENAMED, result);
Assert.AreEqual(rb, db.Resolve("refs/heads/new/name"));
Assert.IsNull(db.Resolve("refs/heads/b"));
Assert.AreEqual(1, db.ReflogReader("new/name").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader("new/name")
.getLastEntry().getComment());
Assert.IsFalse(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists);
Assert.AreEqual(oldHead, db.Resolve(Constants.HEAD)); // unchanged
}
public void testRenameBranchAlsoInPack()
{
ObjectId rb = db.Resolve("refs/heads/b");
ObjectId rb2 = db.Resolve("refs/heads/b~1");
Assert.AreEqual(Core.Ref.Storage.Packed, db.getRef("refs/heads/b").StorageFormat);
RefUpdate updateRef = db.UpdateRef("refs/heads/b");
updateRef.NewObjectId = rb2;
updateRef.IsForceUpdate = true;
RefUpdate.RefUpdateResult update = updateRef.Update();
Assert.AreEqual(RefUpdate.RefUpdateResult.Forced, update, "internal check new ref is loose");
Assert.AreEqual(Core.Ref.Storage.LoosePacked, db.getRef("refs/heads/b")
.StorageFormat);
RefLogWriter.WriteReflog(db, rb, rb, "Just a message", "refs/heads/b");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists, "no log on old branch");
RefRename renameRef = db.RenameRef("refs/heads/b",
"refs/heads/new/name");
RefUpdate.RefUpdateResult result = renameRef.Rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.Renamed, result);
Assert.AreEqual(rb2, db.Resolve("refs/heads/new/name"));
Assert.IsNull(db.Resolve("refs/heads/b"));
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader(
"new/name").getLastEntry().getComment());
Assert.AreEqual(3, db.ReflogReader("refs/heads/new/name").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader("refs/heads/new/name").getReverseEntries()[0].getComment());
Assert.AreEqual(0, db.ReflogReader("HEAD").getReverseEntries().Count);
// make sure b's log file is gone too.
Assert.IsFalse(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists);
// Create new Repository instance, to reread caches and make sure our
// assumptions are persistent.
using (Core.Repository ndb = new Core.Repository(db.Directory))
{
Assert.AreEqual(rb2, ndb.Resolve("refs/heads/new/name"));
Assert.IsNull(ndb.Resolve("refs/heads/b"));
}
}
public virtual void TestRenameRefNameColission1avoided()
{
// setup
ObjectId rb = db.Resolve("refs/heads/b");
WriteSymref(Constants.HEAD, "refs/heads/a");
RefUpdate updateRef = db.UpdateRef("refs/heads/a");
updateRef.SetNewObjectId(rb);
updateRef.SetRefLogMessage("Setup", false);
NUnit.Framework.Assert.AreEqual(RefUpdate.Result.FAST_FORWARD, updateRef.Update()
);
ObjectId oldHead = db.Resolve(Constants.HEAD);
NUnit.Framework.Assert.AreEqual(oldHead, rb);
// assumption for this test
WriteReflog(db, rb, "Just a message", "refs/heads/a");
NUnit.Framework.Assert.IsTrue(new FilePath(db.Directory, "logs/refs/heads/a").Exists
(), "internal check, we have a log");
// Now this is our test
RefRename renameRef = db.RenameRef("refs/heads/a", "refs/heads/a/b");
RefUpdate.Result result = renameRef.Rename();
NUnit.Framework.Assert.AreEqual(RefUpdate.Result.RENAMED, result);
NUnit.Framework.Assert.IsNull(db.Resolve("refs/heads/a"));
NUnit.Framework.Assert.AreEqual(rb, db.Resolve("refs/heads/a/b"));
NUnit.Framework.Assert.AreEqual(3, db.GetReflogReader("a/b").GetReverseEntries().
Count);
NUnit.Framework.Assert.AreEqual("Branch: renamed a to a/b", db.GetReflogReader("a/b"
).GetReverseEntries()[0].GetComment());
NUnit.Framework.Assert.AreEqual("Just a message", db.GetReflogReader("a/b").GetReverseEntries
()[1].GetComment());
NUnit.Framework.Assert.AreEqual("Setup", db.GetReflogReader("a/b").GetReverseEntries
()[2].GetComment());
// same thing was logged to HEAD
NUnit.Framework.Assert.AreEqual("Branch: renamed a to a/b", db.GetReflogReader("HEAD"
).GetReverseEntries()[0].GetComment());
}
public virtual void TestRenameBranchNoPreviousLog()
{
NUnit.Framework.Assert.IsFalse(new FilePath(db.Directory, "logs/refs/heads/b").Exists
(), "precondition, no log on old branchg");
ObjectId rb = db.Resolve("refs/heads/b");
ObjectId oldHead = db.Resolve(Constants.HEAD);
NUnit.Framework.Assert.IsFalse(rb.Equals(oldHead));
// assumption for this test
RefRename renameRef = db.RenameRef("refs/heads/b", "refs/heads/new/name");
RefUpdate.Result result = renameRef.Rename();
NUnit.Framework.Assert.AreEqual(RefUpdate.Result.RENAMED, result);
NUnit.Framework.Assert.AreEqual(rb, db.Resolve("refs/heads/new/name"));
NUnit.Framework.Assert.IsNull(db.Resolve("refs/heads/b"));
NUnit.Framework.Assert.AreEqual(1, db.GetReflogReader("new/name").GetReverseEntries
().Count);
NUnit.Framework.Assert.AreEqual("Branch: renamed b to new/name", db.GetReflogReader
("new/name").GetLastEntry().GetComment());
NUnit.Framework.Assert.IsFalse(new FilePath(db.Directory, "logs/refs/heads/b").Exists
());
NUnit.Framework.Assert.AreEqual(oldHead, db.Resolve(Constants.HEAD));
}
public void testRenameRefNameColission2avoided()
{
// setup
ObjectId rb = db.Resolve("refs/heads/b");
db.WriteSymref(Constants.HEAD, "refs/heads/prefix/a");
RefUpdate updateRef = db.UpdateRef("refs/heads/prefix/a");
updateRef.NewObjectId = rb;
updateRef.SetRefLogMessage("Setup", false);
updateRef.IsForceUpdate = true;
Assert.AreEqual(RefUpdate.RefUpdateResult.Forced, updateRef.Update());
ObjectId oldHead = db.Resolve(Constants.HEAD);
Assert.IsTrue(rb.Equals(oldHead)); // assumption for this test
RefLogWriter.WriteReflog(db, rb, rb, "Just a message",
"refs/heads/prefix/a");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/prefix/a")).Exists, "internal check, we have a log");
// Now this is our test
RefRename renameRef = db.RenameRef("refs/heads/prefix/a",
"refs/heads/prefix");
RefUpdate.RefUpdateResult result = renameRef.Rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.Renamed, result);
Assert.IsNull(db.Resolve("refs/heads/prefix/a"));
Assert.AreEqual(rb, db.Resolve("refs/heads/prefix"));
Assert.AreEqual(3, db.ReflogReader("prefix").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed prefix/a to prefix", db.ReflogReader(
"prefix").getReverseEntries()[0].getComment());
Assert.AreEqual("Just a message", db.ReflogReader("prefix")
.getReverseEntries()[1].getComment());
Assert.AreEqual("Setup", db.ReflogReader("prefix").getReverseEntries()[2].getComment());
Assert.AreEqual("Branch: renamed prefix/a to prefix", db.ReflogReader(
"HEAD").getReverseEntries()[0].getComment());
}
public void testRenameBranchHasPreviousLog()
{
ObjectId rb = db.Resolve("refs/heads/b");
ObjectId oldHead = db.Resolve(Constants.HEAD);
Assert.IsFalse(rb
.Equals(oldHead), "precondition for this test, branch b != HEAD");
RefLogWriter.WriteReflog(db, rb, rb, "Just a message", "refs/heads/b");
Assert.IsTrue(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists, "no log on old branch");
RefRename renameRef = db.RenameRef("refs/heads/b",
"refs/heads/new/name");
RefUpdate.RefUpdateResult result = renameRef.Rename();
Assert.AreEqual(RefUpdate.RefUpdateResult.Renamed, result);
Assert.AreEqual(rb, db.Resolve("refs/heads/new/name"));
Assert.IsNull(db.Resolve("refs/heads/b"));
Assert.AreEqual(2, db.ReflogReader("new/name").getReverseEntries().Count);
Assert.AreEqual("Branch: renamed b to new/name", db.ReflogReader("new/name")
.getLastEntry().getComment());
Assert.AreEqual("Just a message", db.ReflogReader("new/name")
.getReverseEntries()[1].getComment());
Assert.IsFalse(new FileInfo(Path.Combine(db.Directory.FullName, "logs/refs/heads/b")).Exists);
Assert.AreEqual(oldHead, db.Resolve(Constants.HEAD)); // unchanged
}
/// <exception cref="NGit.Api.Errors.RefNotFoundException">
/// if the old branch can not be found (branch with provided old
/// name does not exist or old name resolves to a tag)
/// </exception>
/// <exception cref="NGit.Api.Errors.InvalidRefNameException">
/// if the provided new name is <code>null</code> or otherwise
/// invalid
/// </exception>
/// <exception cref="NGit.Api.Errors.RefAlreadyExistsException">if a branch with the new name already exists
/// </exception>
/// <exception cref="NGit.Api.Errors.DetachedHeadException">
/// if rename is tried without specifying the old name and HEAD
/// is detached
/// </exception>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
public override Ref Call()
{
CheckCallable();
if (newName == null)
{
throw new InvalidRefNameException(MessageFormat.Format(JGitText.Get().branchNameInvalid
, "<null>"));
}
try
{
string fullOldName;
string fullNewName;
if (repo.GetRef(newName) != null)
{
throw new RefAlreadyExistsException(MessageFormat.Format(JGitText.Get().refAlreadyExists1
, newName));
}
if (oldName != null)
{
Ref @ref = repo.GetRef(oldName);
if (@ref == null)
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved
, oldName));
}
if (@ref.GetName().StartsWith(Constants.R_TAGS))
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().renameBranchFailedBecauseTag
, oldName));
}
fullOldName = @ref.GetName();
}
else
{
fullOldName = repo.GetFullBranch();
if (ObjectId.IsId(fullOldName))
{
throw new DetachedHeadException();
}
}
if (fullOldName.StartsWith(Constants.R_REMOTES))
{
fullNewName = Constants.R_REMOTES + newName;
}
else
{
fullNewName = Constants.R_HEADS + newName;
}
if (!Repository.IsValidRefName(fullNewName))
{
throw new InvalidRefNameException(MessageFormat.Format(JGitText.Get().branchNameInvalid
, fullNewName));
}
RefRename rename = repo.RenameRef(fullOldName, fullNewName);
RefUpdate.Result renameResult = rename.Rename();
SetCallable(false);
if (RefUpdate.Result.RENAMED != renameResult)
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().renameBranchUnexpectedResult
, renameResult.ToString()));
}
if (fullNewName.StartsWith(Constants.R_HEADS))
{
string shortOldName = Sharpen.Runtime.Substring(fullOldName, Constants.R_HEADS.Length
);
StoredConfig repoConfig = repo.GetConfig();
// Copy all configuration values over to the new branch
foreach (string name in repoConfig.GetNames(ConfigConstants.CONFIG_BRANCH_SECTION
, shortOldName))
{
string[] values = repoConfig.GetStringList(ConfigConstants.CONFIG_BRANCH_SECTION,
shortOldName, name);
if (values.Length == 0)
{
continue;
}
// Keep any existing values already configured for the
// new branch name
string[] existing = repoConfig.GetStringList(ConfigConstants.CONFIG_BRANCH_SECTION
, newName, name);
if (existing.Length > 0)
{
string[] newValues = new string[values.Length + existing.Length];
System.Array.Copy(existing, 0, newValues, 0, existing.Length);
System.Array.Copy(values, 0, newValues, existing.Length, values.Length);
values = newValues;
}
repoConfig.SetStringList(ConfigConstants.CONFIG_BRANCH_SECTION, newName, name, Arrays
.AsList(values));
}
repoConfig.UnsetSection(ConfigConstants.CONFIG_BRANCH_SECTION, shortOldName);
repoConfig.Save();
}
Ref resultRef = repo.GetRef(newName);
if (resultRef == null)
{
throw new JGitInternalException(JGitText.Get().renameBranchFailedUnknownReason);
}
return(resultRef);
}
catch (IOException ioe)
{
throw new JGitInternalException(ioe.Message, ioe);
}
}
/// <exception cref="NGit.Api.Errors.RefNotFoundException">
/// if the old branch can not be found (branch with provided old
/// name does not exist or old name resolves to a tag)
/// </exception>
/// <exception cref="NGit.Api.Errors.InvalidRefNameException">
/// if the provided new name is <code>null</code> or otherwise
/// invalid
/// </exception>
/// <exception cref="NGit.Api.Errors.RefAlreadyExistsException">if a branch with the new name already exists
/// </exception>
/// <exception cref="NGit.Api.Errors.DetachedHeadException">
/// if rename is tried without specifying the old name and HEAD
/// is detached
/// </exception>
public override Ref Call()
{
CheckCallable();
if (newName == null)
{
throw new InvalidRefNameException(MessageFormat.Format(JGitText.Get().branchNameInvalid
, "<null>"));
}
try
{
string fullOldName;
string fullNewName;
if (repo.GetRef(newName) != null)
{
throw new RefAlreadyExistsException(MessageFormat.Format(JGitText.Get().refAlreadExists
, newName));
}
if (oldName != null)
{
Ref @ref = repo.GetRef(oldName);
if (@ref == null)
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved
, oldName));
}
if (@ref.GetName().StartsWith(Constants.R_TAGS))
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().renameBranchFailedBecauseTag
, oldName));
}
fullOldName = @ref.GetName();
}
else
{
fullOldName = repo.GetFullBranch();
if (ObjectId.IsId(fullOldName))
{
throw new DetachedHeadException();
}
}
if (fullOldName.StartsWith(Constants.R_REMOTES))
{
fullNewName = Constants.R_REMOTES + newName;
}
else
{
fullNewName = Constants.R_HEADS + newName;
}
if (!Repository.IsValidRefName(fullNewName))
{
throw new InvalidRefNameException(MessageFormat.Format(JGitText.Get().branchNameInvalid
, fullNewName));
}
RefRename rename = repo.RenameRef(fullOldName, fullNewName);
RefUpdate.Result renameResult = rename.Rename();
SetCallable(false);
bool ok = RefUpdate.Result.RENAMED == renameResult;
if (ok)
{
if (fullNewName.StartsWith(Constants.R_HEADS))
{
// move the upstream configuration over to the new branch
string shortOldName = Sharpen.Runtime.Substring(fullOldName, Constants.R_HEADS.Length
);
StoredConfig repoConfig = repo.GetConfig();
string oldRemote = repoConfig.GetString(ConfigConstants.CONFIG_BRANCH_SECTION, shortOldName
, ConfigConstants.CONFIG_KEY_REMOTE);
if (oldRemote != null)
{
repoConfig.SetString(ConfigConstants.CONFIG_BRANCH_SECTION, newName, ConfigConstants
.CONFIG_KEY_REMOTE, oldRemote);
}
string oldMerge = repoConfig.GetString(ConfigConstants.CONFIG_BRANCH_SECTION, shortOldName
, ConfigConstants.CONFIG_KEY_MERGE);
if (oldMerge != null)
{
repoConfig.SetString(ConfigConstants.CONFIG_BRANCH_SECTION, newName, ConfigConstants
.CONFIG_KEY_MERGE, oldMerge);
}
repoConfig.UnsetSection(ConfigConstants.CONFIG_BRANCH_SECTION, shortOldName);
repoConfig.Save();
}
}
else
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().renameBranchUnexpectedResult
, renameResult.ToString()));
}
Ref resultRef = repo.GetRef(newName);
if (resultRef == null)
{
throw new JGitInternalException(JGitText.Get().renameBranchFailedUnknownReason);
}
return(resultRef);
}
catch (IOException ioe)
{
throw new JGitInternalException(ioe.Message, ioe);
}
}
