private string Format(AbbreviatedObjectId id)
{
if (id.IsComplete && db != null)
{
try
{
id = reader.Abbreviate(id.ToObjectId(), abbreviationLength);
}
catch (IOException)
{
}
}
// Ignore this. We'll report the full identity.
return(id.Name);
}
/// <exception cref="NGit.Api.Errors.RefNotFoundException"></exception>
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Api.Errors.NoHeadException"></exception>
/// <exception cref="NGit.Api.Errors.JGitInternalException"></exception>
private RebaseResult InitFilesAndRewind()
{
// we need to store everything into files so that we can implement
// --skip, --continue, and --abort
// first of all, we determine the commits to be applied
IList <RevCommit> cherryPickList = new AList <RevCommit>();
Ref head = repo.GetRef(Constants.HEAD);
if (head == null || head.GetObjectId() == null)
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved
, Constants.HEAD));
}
string headName;
if (head.IsSymbolic())
{
headName = head.GetTarget().GetName();
}
else
{
headName = "detached HEAD";
}
ObjectId headId = head.GetObjectId();
if (headId == null)
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved
, Constants.HEAD));
}
RevCommit headCommit = walk.LookupCommit(headId);
monitor.BeginTask(JGitText.Get().obtainingCommitsForCherryPick, ProgressMonitor.UNKNOWN
);
LogCommand cmd = new Git(repo).Log().AddRange(upstreamCommit, headCommit);
Iterable <RevCommit> commitsToUse = cmd.Call();
foreach (RevCommit commit in commitsToUse)
{
cherryPickList.AddItem(commit);
}
// if the upstream commit is in a direct line to the current head,
// the log command will not report any commits; in this case,
// we create the cherry-pick list ourselves
if (cherryPickList.IsEmpty())
{
Iterable <RevCommit> parents = new Git(repo).Log().Add(upstreamCommit).Call();
foreach (RevCommit parent in parents)
{
if (parent.Equals(headCommit))
{
break;
}
if (parent.ParentCount != 1)
{
throw new JGitInternalException(JGitText.Get().canOnlyCherryPickCommitsWithOneParent
);
}
cherryPickList.AddItem(parent);
}
}
// nothing to do: return with UP_TO_DATE_RESULT
if (cherryPickList.IsEmpty())
{
return(RebaseResult.UP_TO_DATE_RESULT);
}
Sharpen.Collections.Reverse(cherryPickList);
// create the folder for the meta information
FileUtils.Mkdir(rebaseDir);
CreateFile(repo.Directory, Constants.ORIG_HEAD, headId.Name);
CreateFile(rebaseDir, REBASE_HEAD, headId.Name);
CreateFile(rebaseDir, HEAD_NAME, headName);
CreateFile(rebaseDir, ONTO, upstreamCommit.Name);
CreateFile(rebaseDir, INTERACTIVE, string.Empty);
BufferedWriter fw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream
(new FilePath(rebaseDir, GIT_REBASE_TODO)), Constants.CHARACTER_ENCODING));
fw.Write("# Created by EGit: rebasing " + upstreamCommit.Name + " onto " + headId
.Name);
fw.NewLine();
try
{
StringBuilder sb = new StringBuilder();
ObjectReader reader = walk.GetObjectReader();
foreach (RevCommit commit_1 in cherryPickList)
{
sb.Length = 0;
sb.Append(RebaseCommand.Action.PICK.ToToken());
sb.Append(" ");
sb.Append(reader.Abbreviate(commit_1).Name);
sb.Append(" ");
sb.Append(commit_1.GetShortMessage());
fw.Write(sb.ToString());
fw.NewLine();
}
}
finally
{
fw.Close();
}
monitor.EndTask();
// we rewind to the upstream commit
monitor.BeginTask(MessageFormat.Format(JGitText.Get().rewinding, upstreamCommit.GetShortMessage
()), ProgressMonitor.UNKNOWN);
CheckoutCommit(upstreamCommit);
monitor.EndTask();
return(null);
}
public virtual void TestAbbreviateOnEmptyRepository()
{
ObjectId id = Id("9d5b926ed164e8ee88d3b8b1e525d699adda01ba");
NUnit.Framework.Assert.AreEqual(id.Abbreviate(2), reader.Abbreviate(id, 2));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(7), reader.Abbreviate(id, 7));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(8), reader.Abbreviate(id, 8));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(10), reader.Abbreviate(id, 10));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(16), reader.Abbreviate(id, 16));
NUnit.Framework.Assert.AreEqual(AbbreviatedObjectId.FromObjectId(id), reader.Abbreviate
(id, Constants.OBJECT_ID_STRING_LENGTH));
//
ICollection <ObjectId> matches;
matches = reader.Resolve(reader.Abbreviate(id, 8));
NUnit.Framework.Assert.IsNotNull(matches);
NUnit.Framework.Assert.AreEqual(0, matches.Count);
matches = reader.Resolve(AbbreviatedObjectId.FromObjectId(id));
NUnit.Framework.Assert.IsNotNull(matches);
NUnit.Framework.Assert.AreEqual(1, matches.Count);
NUnit.Framework.Assert.AreEqual(id, matches.Iterator().Next());
}
/// <exception cref="NGit.Api.Errors.RefNotFoundException"></exception>
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Api.Errors.NoHeadException"></exception>
/// <exception cref="NGit.Api.Errors.JGitInternalException"></exception>
private RebaseResult InitFilesAndRewind()
{
// we need to store everything into files so that we can implement
// --skip, --continue, and --abort
Ref head = repo.GetRef(Constants.HEAD);
if (head == null || head.GetObjectId() == null)
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved
, Constants.HEAD));
}
string headName;
if (head.IsSymbolic())
{
headName = head.GetTarget().GetName();
}
else
{
headName = "detached HEAD";
}
ObjectId headId = head.GetObjectId();
if (headId == null)
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved
, Constants.HEAD));
}
RevCommit headCommit = walk.LookupCommit(headId);
RevCommit upstream = walk.LookupCommit(upstreamCommit.Id);
if (walk.IsMergedInto(upstream, headCommit))
{
return(RebaseResult.UP_TO_DATE_RESULT);
}
else
{
if (walk.IsMergedInto(headCommit, upstream))
{
// head is already merged into upstream, fast-foward
monitor.BeginTask(MessageFormat.Format(JGitText.Get().resettingHead, upstreamCommit
.GetShortMessage()), ProgressMonitor.UNKNOWN);
CheckoutCommit(upstreamCommit);
monitor.EndTask();
UpdateHead(headName, upstreamCommit);
return(RebaseResult.FAST_FORWARD_RESULT);
}
}
monitor.BeginTask(JGitText.Get().obtainingCommitsForCherryPick, ProgressMonitor.UNKNOWN
);
// determine the commits to be applied
LogCommand cmd = new Git(repo).Log().AddRange(upstreamCommit, headCommit);
Iterable <RevCommit> commitsToUse = cmd.Call();
IList <RevCommit> cherryPickList = new AList <RevCommit>();
foreach (RevCommit commit in commitsToUse)
{
if (commit.ParentCount != 1)
{
throw new JGitInternalException(JGitText.Get().canOnlyCherryPickCommitsWithOneParent
);
}
cherryPickList.AddItem(commit);
}
Sharpen.Collections.Reverse(cherryPickList);
// create the folder for the meta information
FileUtils.Mkdir(rebaseDir);
CreateFile(repo.Directory, Constants.ORIG_HEAD, headId.Name);
CreateFile(rebaseDir, REBASE_HEAD, headId.Name);
CreateFile(rebaseDir, HEAD_NAME, headName);
CreateFile(rebaseDir, ONTO, upstreamCommit.Name);
CreateFile(rebaseDir, INTERACTIVE, string.Empty);
BufferedWriter fw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream
(new FilePath(rebaseDir, GIT_REBASE_TODO)), Constants.CHARACTER_ENCODING));
fw.Write("# Created by EGit: rebasing " + upstreamCommit.Name + " onto " + headId
.Name);
fw.NewLine();
try
{
StringBuilder sb = new StringBuilder();
ObjectReader reader = walk.GetObjectReader();
foreach (RevCommit commit_1 in cherryPickList)
{
sb.Length = 0;
sb.Append(RebaseCommand.Action.PICK.ToToken());
sb.Append(" ");
sb.Append(reader.Abbreviate(commit_1).Name);
sb.Append(" ");
sb.Append(commit_1.GetShortMessage());
fw.Write(sb.ToString());
fw.NewLine();
}
}
finally
{
fw.Close();
}
monitor.EndTask();
// we rewind to the upstream commit
monitor.BeginTask(MessageFormat.Format(JGitText.Get().rewinding, upstreamCommit.GetShortMessage
()), ProgressMonitor.UNKNOWN);
bool checkoutOk = false;
try
{
checkoutOk = CheckoutCommit(upstreamCommit);
}
finally
{
if (!checkoutOk)
{
FileUtils.Delete(rebaseDir, FileUtils.RECURSIVE);
}
}
monitor.EndTask();
return(null);
}
