/// <summary>Write the given ref update to the ref's log</summary>
/// <param name="update"></param>
/// <param name="msg"></param>
/// <param name="deref"></param>
/// <returns>this writer</returns>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
public virtual NGit.Storage.File.ReflogWriter Log(RefUpdate update, string msg, bool
deref)
{
ObjectId oldId = update.GetOldObjectId();
ObjectId newId = update.GetNewObjectId();
Ref @ref = update.GetRef();
PersonIdent ident = update.GetRefLogIdent();
if (ident == null)
{
ident = new PersonIdent(parent);
}
else
{
ident = new PersonIdent(ident);
}
byte[] rec = Encode(oldId, newId, ident, msg);
if (deref && @ref.IsSymbolic())
{
Log(@ref.GetName(), rec);
Log(@ref.GetLeaf().GetName(), rec);
}
else
{
Log(@ref.GetName(), rec);
}
return(this);
}
// TODO not implemented yet
// TODO not implemented yet
/// <summary>
/// Executes the
/// <code>Reset</code>
/// command. Each instance of this class should
/// only be used for one invocation of the command. Don't call this method
/// twice on an instance.
/// </summary>
/// <returns>the Ref after reset</returns>
/// <exception cref="System.IO.IOException"></exception>
public override Ref Call()
{
CheckCallable();
Ref r;
RevCommit commit;
try
{
RepositoryState state = repo.GetRepositoryState();
bool merging = state.Equals(RepositoryState.MERGING) || state.Equals(RepositoryState
.MERGING_RESOLVED);
bool cherryPicking = state.Equals(RepositoryState.CHERRY_PICKING) || state.Equals
(RepositoryState.CHERRY_PICKING_RESOLVED);
// resolve the ref to a commit
ObjectId commitId;
try
{
commitId = repo.Resolve(@ref);
}
catch (IOException e)
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().cannotRead, @ref
), e);
}
RevWalk rw = new RevWalk(repo);
try
{
commit = rw.ParseCommit(commitId);
}
catch (IOException e)
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().cannotReadCommit
, commitId.ToString()), e);
}
finally
{
rw.Release();
}
if (!filepaths.IsEmpty())
{
// reset [commit] -- paths
ResetIndexForPaths(commit);
SetCallable(false);
return(repo.GetRef(Constants.HEAD));
}
// write the ref
RefUpdate ru = repo.UpdateRef(Constants.HEAD);
ru.SetNewObjectId(commitId);
string refName = Repository.ShortenRefName(@ref);
string message = refName + ": updating " + Constants.HEAD;
//$NON-NLS-1$
ru.SetRefLogMessage(message, false);
if (ru.ForceUpdate() == RefUpdate.Result.LOCK_FAILURE)
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().cannotLock, ru
.GetName()));
}
switch (mode)
{
case ResetCommand.ResetType.HARD:
{
CheckoutIndex(commit);
break;
}
case ResetCommand.ResetType.MIXED:
{
ResetIndex(commit);
break;
}
case ResetCommand.ResetType.SOFT:
{
// do nothing, only the ref was changed
break;
}
case ResetCommand.ResetType.KEEP:
case ResetCommand.ResetType.MERGE:
{
// TODO
// TODO
throw new NotSupportedException();
}
}
if (mode != ResetCommand.ResetType.SOFT)
{
if (merging)
{
ResetMerge();
}
else
{
if (cherryPicking)
{
ResetCherryPick();
}
}
}
SetCallable(false);
r = ru.GetRef();
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().exceptionCaughtDuringExecutionOfResetCommand
, e);
}
return(r);
}
public static void HardReset(NGit.Repository repo, ObjectId newHead)
{
DirCache dc = null;
try {
// Reset head to upstream
RefUpdate ru = repo.UpdateRef(Constants.HEAD);
ru.SetNewObjectId(newHead);
ru.SetForceUpdate(true);
RefUpdate.Result rc = ru.Update();
switch (rc)
{
case RefUpdate.Result.NO_CHANGE:
case RefUpdate.Result.NEW:
case RefUpdate.Result.FAST_FORWARD:
case RefUpdate.Result.FORCED:
break;
case RefUpdate.Result.REJECTED:
case RefUpdate.Result.LOCK_FAILURE:
throw new ConcurrentRefUpdateException(JGitText.Get().couldNotLockHEAD, ru.GetRef(), rc);
default:
throw new JGitInternalException("Reference update failed: " + rc);
}
dc = repo.LockDirCache();
RevWalk rw = new RevWalk(repo);
RevCommit c = rw.ParseCommit(newHead);
DirCacheCheckout checkout = new DirCacheCheckout(repo, null, dc, c.Tree);
checkout.Checkout();
} catch {
if (dc != null)
{
dc.Unlock();
}
throw;
}
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Api.Errors.ConcurrentRefUpdateException"></exception>
private void UpdateHead(StringBuilder refLogMessage, ObjectId newHeadId, ObjectId
oldHeadID)
{
RefUpdate refUpdate = repo.UpdateRef(Constants.HEAD);
refUpdate.SetNewObjectId(newHeadId);
refUpdate.SetRefLogMessage(refLogMessage.ToString(), false);
refUpdate.SetExpectedOldObjectId(oldHeadID);
RefUpdate.Result rc = refUpdate.Update();
switch (rc)
{
case RefUpdate.Result.NEW:
case RefUpdate.Result.FAST_FORWARD:
{
return;
}
case RefUpdate.Result.REJECTED:
case RefUpdate.Result.LOCK_FAILURE:
{
throw new ConcurrentRefUpdateException(JGitText.Get().couldNotLockHEAD, refUpdate
.GetRef(), rc);
}
default:
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().updatingRefFailed
, Constants.HEAD, newHeadId.ToString(), rc));
}
}
}
/// <summary>
/// Executes the
/// <code>commit</code>
/// command with all the options and parameters
/// collected by the setter methods of this class. Each instance of this
/// class should only be used for one invocation of the command (means: one
/// call to
/// <see cref="Call()">Call()</see>
/// )
/// </summary>
/// <returns>
/// a
/// <see cref="NGit.Revwalk.RevCommit">NGit.Revwalk.RevCommit</see>
/// object representing the successful commit.
/// </returns>
/// <exception cref="NGit.Api.Errors.NoHeadException">when called on a git repo without a HEAD reference
/// </exception>
/// <exception cref="NGit.Api.Errors.NoMessageException">when called without specifying a commit message
/// </exception>
/// <exception cref="NGit.Api.Errors.UnmergedPathsException">when the current index contained unmerged paths (conflicts)
/// </exception>
/// <exception cref="NGit.Api.Errors.ConcurrentRefUpdateException">
/// when HEAD or branch ref is updated concurrently by someone
/// else
/// </exception>
/// <exception cref="NGit.Api.Errors.WrongRepositoryStateException">when repository is not in the right state for committing
/// </exception>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
public override RevCommit Call()
{
CheckCallable();
RepositoryState state = repo.GetRepositoryState();
if (!state.CanCommit())
{
throw new WrongRepositoryStateException(MessageFormat.Format(JGitText.Get().cannotCommitOnARepoWithState
, state.Name()));
}
ProcessOptions(state);
try
{
if (all && !repo.IsBare && repo.WorkTree != null)
{
Git git = new Git(repo);
try
{
git.Add().AddFilepattern(".").SetUpdate(true).Call();
}
catch (NoFilepatternException e)
{
// should really not happen
throw new JGitInternalException(e.Message, e);
}
}
Ref head = repo.GetRef(Constants.HEAD);
if (head == null)
{
throw new NoHeadException(JGitText.Get().commitOnRepoWithoutHEADCurrentlyNotSupported
);
}
// determine the current HEAD and the commit it is referring to
ObjectId headId = repo.Resolve(Constants.HEAD + "^{commit}");
if (headId == null && amend)
{
throw new WrongRepositoryStateException(JGitText.Get().commitAmendOnInitialNotPossible
);
}
if (headId != null)
{
if (amend)
{
RevCommit previousCommit = new RevWalk(repo).ParseCommit(headId);
RevCommit[] p = previousCommit.Parents;
for (int i = 0; i < p.Length; i++)
{
parents.Add(0, p[i].Id);
}
if (author == null)
{
author = previousCommit.GetAuthorIdent();
}
}
else
{
parents.Add(0, headId);
}
}
// lock the index
DirCache index = repo.LockDirCache();
try
{
if (!only.IsEmpty())
{
index = CreateTemporaryIndex(headId, index);
}
ObjectInserter odi = repo.NewObjectInserter();
try
{
// Write the index as tree to the object database. This may
// fail for example when the index contains unmerged paths
// (unresolved conflicts)
ObjectId indexTreeId = index.WriteTree(odi);
if (insertChangeId)
{
InsertChangeId(indexTreeId);
}
// Create a Commit object, populate it and write it
NGit.CommitBuilder commit = new NGit.CommitBuilder();
commit.Committer = committer;
commit.Author = author;
commit.Message = message;
commit.SetParentIds(parents);
commit.TreeId = indexTreeId;
ObjectId commitId = odi.Insert(commit);
odi.Flush();
RevWalk revWalk = new RevWalk(repo);
try
{
RevCommit revCommit = revWalk.ParseCommit(commitId);
RefUpdate ru = repo.UpdateRef(Constants.HEAD);
ru.SetNewObjectId(commitId);
if (reflogComment != null)
{
ru.SetRefLogMessage(reflogComment, false);
}
else
{
string prefix = amend ? "commit (amend): " : "commit: ";
ru.SetRefLogMessage(prefix + revCommit.GetShortMessage(), false);
}
if (headId != null)
{
ru.SetExpectedOldObjectId(headId);
}
else
{
ru.SetExpectedOldObjectId(ObjectId.ZeroId);
}
RefUpdate.Result rc = ru.ForceUpdate();
switch (rc)
{
case RefUpdate.Result.NEW:
case RefUpdate.Result.FORCED:
case RefUpdate.Result.FAST_FORWARD:
{
SetCallable(false);
if (state == RepositoryState.MERGING_RESOLVED)
{
// Commit was successful. Now delete the files
// used for merge commits
repo.WriteMergeCommitMsg(null);
repo.WriteMergeHeads(null);
}
else
{
if (state == RepositoryState.CHERRY_PICKING_RESOLVED)
{
repo.WriteMergeCommitMsg(null);
repo.WriteCherryPickHead(null);
}
}
return(revCommit);
}
case RefUpdate.Result.REJECTED:
case RefUpdate.Result.LOCK_FAILURE:
{
throw new ConcurrentRefUpdateException(JGitText.Get().couldNotLockHEAD, ru.GetRef
(), rc);
}
default:
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().updatingRefFailed
, Constants.HEAD, commitId.ToString(), rc));
}
}
}
finally
{
revWalk.Release();
}
}
finally
{
odi.Release();
}
}
finally
{
index.Unlock();
}
}
catch (UnmergedPathException e)
{
throw new UnmergedPathsException(e);
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().exceptionCaughtDuringExecutionOfCommitCommand
, e);
}
}
/// <summary>
/// Executes the
/// <code>tag</code>
/// command with all the options and parameters
/// collected by the setter methods of this class. Each instance of this
/// class should only be used for one invocation of the command (means: one
/// call to
/// <see cref="Call()">Call()</see>
/// )
/// </summary>
/// <returns>
/// a
/// <see cref="NGit.Ref">NGit.Ref</see>
/// a ref pointing to a tag
/// </returns>
/// <exception cref="NGit.Api.Errors.NoHeadException">when called on a git repo without a HEAD reference
/// </exception>
/// <since>2.0</since>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
/// <exception cref="NGit.Api.Errors.ConcurrentRefUpdateException"></exception>
/// <exception cref="NGit.Api.Errors.InvalidTagNameException"></exception>
public override Ref Call()
{
CheckCallable();
RepositoryState state = repo.GetRepositoryState();
ProcessOptions(state);
try
{
// create the tag object
TagBuilder newTag = new TagBuilder();
newTag.SetTag(name);
newTag.SetMessage(message);
newTag.SetTagger(tagger);
// if no id is set, we should attempt to use HEAD
if (id == null)
{
ObjectId objectId = repo.Resolve(Constants.HEAD + "^{commit}");
if (objectId == null)
{
throw new NoHeadException(JGitText.Get().tagOnRepoWithoutHEADCurrentlyNotSupported
);
}
newTag.SetObjectId(objectId, Constants.OBJ_COMMIT);
}
else
{
newTag.SetObjectId(id);
}
// write the tag object
ObjectInserter inserter = repo.NewObjectInserter();
try
{
ObjectId tagId = inserter.Insert(newTag);
inserter.Flush();
RevWalk revWalk = new RevWalk(repo);
try
{
string refName = Constants.R_TAGS + newTag.GetTag();
RefUpdate tagRef = repo.UpdateRef(refName);
tagRef.SetNewObjectId(tagId);
tagRef.SetForceUpdate(forceUpdate);
tagRef.SetRefLogMessage("tagged " + name, false);
RefUpdate.Result updateResult = tagRef.Update(revWalk);
switch (updateResult)
{
case RefUpdate.Result.NEW:
case RefUpdate.Result.FORCED:
{
return(repo.GetRef(refName));
}
case RefUpdate.Result.LOCK_FAILURE:
{
throw new ConcurrentRefUpdateException(JGitText.Get().couldNotLockHEAD, tagRef.GetRef
(), updateResult);
}
default:
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().updatingRefFailed
, refName, newTag.ToString(), updateResult));
}
}
}
finally
{
revWalk.Release();
}
}
finally
{
inserter.Release();
}
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().exceptionCaughtDuringExecutionOfTagCommand
, e);
}
}