/// <summary>
/// Executes the
/// <code>Rm</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 DirCache after Rm</returns>
/// <exception cref="NGit.Api.Errors.NoFilepatternException"></exception>
public override DirCache Call()
{
if (filepatterns.IsEmpty())
{
throw new NoFilepatternException(JGitText.Get().atLeastOnePatternIsRequired);
}
CheckCallable();
DirCache dc = null;
try
{
dc = repo.LockDirCache();
DirCacheBuilder builder = dc.Builder();
TreeWalk tw = new TreeWalk(repo);
tw.Reset();
// drop the first empty tree, which we do not need here
tw.Recursive = true;
tw.Filter = PathFilterGroup.CreateFromStrings(filepatterns);
tw.AddTree(new DirCacheBuildIterator(builder));
while (tw.Next())
{
FilePath path = new FilePath(repo.WorkTree, tw.PathString);
FileMode mode = tw.GetFileMode(0);
if (mode.GetObjectType() == Constants.OBJ_BLOB)
{
// Deleting a blob is simply a matter of removing
// the file or symlink named by the tree entry.
Delete(path);
}
}
builder.Commit();
SetCallable(false);
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().exceptionCaughtDuringExecutionOfRmCommand
, e);
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
return(dc);
}
/// <exception cref="System.IO.IOException"></exception>
private void ResetIndex(RevCommit commit)
{
DirCache dc = repo.LockDirCache();
TreeWalk walk = null;
try
{
DirCacheBuilder builder = dc.Builder();
walk = new TreeWalk(repo);
walk.AddTree(commit.Tree);
walk.AddTree(new DirCacheIterator(dc));
walk.Recursive = true;
while (walk.Next())
{
AbstractTreeIterator cIter = walk.GetTree <AbstractTreeIterator>(0);
if (cIter == null)
{
// Not in commit, don't add to new index
continue;
}
DirCacheEntry entry = new DirCacheEntry(walk.RawPath);
entry.FileMode = cIter.EntryFileMode;
entry.SetObjectIdFromRaw(cIter.IdBuffer, cIter.IdOffset);
DirCacheIterator dcIter = walk.GetTree <DirCacheIterator>(1);
if (dcIter != null && dcIter.IdEqual(cIter))
{
DirCacheEntry indexEntry = dcIter.GetDirCacheEntry();
entry.LastModified = indexEntry.LastModified;
entry.SetLength(indexEntry.Length);
}
builder.Add(entry);
}
builder.Commit();
}
finally
{
dc.Unlock();
if (walk != null)
{
walk.Release();
}
}
}
public virtual void TestAddWithConflicts()
{
// prepare conflict
FilePath file = new FilePath(db.WorkTree, "a.txt");
FileUtils.CreateNewFile(file);
PrintWriter writer = new PrintWriter(file);
writer.Write("content");
writer.Close();
FilePath file2 = new FilePath(db.WorkTree, "b.txt");
FileUtils.CreateNewFile(file2);
writer = new PrintWriter(file2);
writer.Write("content b");
writer.Close();
ObjectInserter newObjectInserter = db.NewObjectInserter();
DirCache dc = db.LockDirCache();
DirCacheBuilder builder = dc.Builder();
AddEntryToBuilder("b.txt", file2, newObjectInserter, builder, 0);
AddEntryToBuilder("a.txt", file, newObjectInserter, builder, 1);
writer = new PrintWriter(file);
writer.Write("other content");
writer.Close();
AddEntryToBuilder("a.txt", file, newObjectInserter, builder, 3);
writer = new PrintWriter(file);
writer.Write("our content");
writer.Close();
AddEntryToBuilder("a.txt", file, newObjectInserter, builder, 2).GetObjectId();
builder.Commit();
NUnit.Framework.Assert.AreEqual("[a.txt, mode:100644, stage:1, content:content]"
+ "[a.txt, mode:100644, stage:2, content:our content]" + "[a.txt, mode:100644, stage:3, content:other content]"
+ "[b.txt, mode:100644, content:content b]", IndexState(CONTENT));
// now the test begins
Git git = new Git(db);
dc = git.Add().AddFilepattern("a.txt").Call();
NUnit.Framework.Assert.AreEqual("[a.txt, mode:100644, content:our content]" + "[b.txt, mode:100644, content:content b]"
, IndexState(CONTENT));
}
private void ResetIndexForPaths(RevCommit commit)
{
DirCache dc = null;
try
{
dc = repo.LockDirCache();
DirCacheBuilder builder = dc.Builder();
TreeWalk tw = new TreeWalk(repo);
tw.AddTree(new DirCacheBuildIterator(builder));
tw.AddTree(commit.Tree);
tw.Filter = PathFilterGroup.CreateFromStrings(filepaths);
tw.Recursive = true;
while (tw.Next())
{
CanonicalTreeParser tree = tw.GetTree <CanonicalTreeParser>(1);
// only keep file in index if it's in the commit
if (tree != null)
{
// revert index to commit
DirCacheEntry entry = new DirCacheEntry(tw.RawPath);
entry.FileMode = tree.EntryFileMode;
entry.SetObjectId(tree.EntryObjectId);
builder.Add(entry);
}
}
builder.Commit();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
}
public virtual void TestPathsResetWithUnmerged()
{
SetupRepository();
string file = "a.txt";
WriteTrashFile(file, "data");
git.Add().AddFilepattern(file).Call();
git.Commit().SetMessage("commit").Call();
DirCache index = db.LockDirCache();
DirCacheBuilder builder = index.Builder();
builder.Add(CreateEntry(file, FileMode.REGULAR_FILE, 1, string.Empty));
builder.Add(CreateEntry(file, FileMode.REGULAR_FILE, 2, string.Empty));
builder.Add(CreateEntry(file, FileMode.REGULAR_FILE, 3, string.Empty));
builder.Add(CreateEntry("b.txt", FileMode.REGULAR_FILE));
NUnit.Framework.Assert.IsTrue(builder.Commit());
NUnit.Framework.Assert.AreEqual("[a.txt, mode:100644, stage:1]" + "[a.txt, mode:100644, stage:2]"
+ "[a.txt, mode:100644, stage:3]" + "[b.txt, mode:100644]", IndexState(0));
git.Reset().AddPath(file).Call();
NUnit.Framework.Assert.AreEqual("[a.txt, mode:100644]" + "[b.txt, mode:100644]",
IndexState(0));
}
/// <summary>Resets the index to represent exactly some filesystem content.</summary>
/// <remarks>
/// Resets the index to represent exactly some filesystem content. E.g. the
/// following call will replace the index with the working tree content:
/// <p>
/// <code>resetIndex(new FileSystemIterator(db))</code>
/// <p>
/// This method can be used by testcases which first prepare a new commit
/// somewhere in the filesystem (e.g. in the working-tree) and then want to
/// have an index which matches their prepared content.
/// </remarks>
/// <param name="treeItr">
/// a
/// <see cref="NGit.Treewalk.FileTreeIterator">NGit.Treewalk.FileTreeIterator</see>
/// which determines which files should
/// go into the new index
/// </param>
/// <exception cref="System.IO.FileNotFoundException">System.IO.FileNotFoundException
/// </exception>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
protected internal virtual void ResetIndex(FileTreeIterator treeItr)
{
ObjectInserter inserter = db.NewObjectInserter();
DirCacheBuilder builder = db.LockDirCache().Builder();
DirCacheEntry dce;
while (!treeItr.Eof)
{
long len = treeItr.GetEntryLength();
dce = new DirCacheEntry(treeItr.EntryPathString);
dce.FileMode = treeItr.EntryFileMode;
dce.LastModified = treeItr.GetEntryLastModified();
dce.SetLength((int)len);
FileInputStream @in = new FileInputStream(treeItr.GetEntryFile());
dce.SetObjectId(inserter.Insert(Constants.OBJ_BLOB, len, @in));
@in.Close();
builder.Add(dce);
treeItr.Next(1);
}
builder.Commit();
inserter.Flush();
inserter.Release();
}
/// <exception cref="System.IO.IOException"></exception>
private void ResetIndex(RevCommit commit)
{
DirCache dc = null;
try
{
dc = repo.LockDirCache();
dc.Clear();
DirCacheBuilder dcb = dc.Builder();
dcb.AddTree(new byte[0], 0, repo.NewObjectReader(), commit.Tree);
dcb.Commit();
}
catch (IOException e)
{
throw;
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
}
public virtual void TestMixedResetWithUnmerged()
{
git = new Git(db);
string file = "a.txt";
WriteTrashFile(file, "data");
string file2 = "b.txt";
WriteTrashFile(file2, "data");
git.Add().AddFilepattern(file).AddFilepattern(file2).Call();
git.Commit().SetMessage("commit").Call();
DirCache index = db.LockDirCache();
DirCacheBuilder builder = index.Builder();
builder.Add(CreateEntry(file, FileMode.REGULAR_FILE, 1, string.Empty));
builder.Add(CreateEntry(file, FileMode.REGULAR_FILE, 2, string.Empty));
builder.Add(CreateEntry(file, FileMode.REGULAR_FILE, 3, string.Empty));
NUnit.Framework.Assert.IsTrue(builder.Commit());
NUnit.Framework.Assert.AreEqual("[a.txt, mode:100644, stage:1]" + "[a.txt, mode:100644, stage:2]"
+ "[a.txt, mode:100644, stage:3]", IndexState(0));
git.Reset().SetMode(ResetCommand.ResetType.MIXED).Call();
NUnit.Framework.Assert.AreEqual("[a.txt, mode:100644]" + "[b.txt, mode:100644]",
IndexState(0));
}
/// <summary>
/// Executes the
/// <code>Add</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 DirCache after Add</returns>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
/// <exception cref="NGit.Api.Errors.NoFilepatternException"></exception>
public override DirCache Call()
{
if (filepatterns.IsEmpty())
{
throw new NoFilepatternException(JGitText.Get().atLeastOnePatternIsRequired);
}
CheckCallable();
DirCache dc = null;
bool addAll = false;
if (filepatterns.Contains("."))
{
addAll = true;
}
ObjectInserter inserter = repo.NewObjectInserter();
try
{
dc = repo.LockDirCache();
DirCacheIterator c;
DirCacheBuilder builder = dc.Builder();
TreeWalk tw = new TreeWalk(repo);
tw.AddTree(new DirCacheBuildIterator(builder));
if (workingTreeIterator == null)
{
workingTreeIterator = new FileTreeIterator(repo);
}
tw.AddTree(workingTreeIterator);
tw.Recursive = true;
if (!addAll)
{
tw.Filter = PathFilterGroup.CreateFromStrings(filepatterns);
}
string lastAddedFile = null;
while (tw.Next())
{
string path = tw.PathString;
WorkingTreeIterator f = tw.GetTree <WorkingTreeIterator>(1);
if (tw.GetTree <DirCacheIterator>(0) == null && f != null && f.IsEntryIgnored())
{
}
else
{
// file is not in index but is ignored, do nothing
// In case of an existing merge conflict the
// DirCacheBuildIterator iterates over all stages of
// this path, we however want to add only one
// new DirCacheEntry per path.
if (!(path.Equals(lastAddedFile)))
{
if (!(update && tw.GetTree <DirCacheIterator>(0) == null))
{
c = tw.GetTree <DirCacheIterator>(0);
if (f != null)
{
// the file exists
long sz = f.GetEntryLength();
DirCacheEntry entry = new DirCacheEntry(path);
if (c == null || c.GetDirCacheEntry() == null || !c.GetDirCacheEntry().IsAssumeValid)
{
FileMode mode = f.GetIndexFileMode(c);
entry.FileMode = mode;
if (FileMode.GITLINK != mode)
{
entry.SetLength(sz);
entry.LastModified = f.GetEntryLastModified();
long contentSize = f.GetEntryContentLength();
InputStream @in = f.OpenEntryStream();
try
{
entry.SetObjectId(inserter.Insert(Constants.OBJ_BLOB, contentSize, @in));
}
finally
{
@in.Close();
}
}
else
{
entry.SetObjectId(f.EntryObjectId);
}
builder.Add(entry);
lastAddedFile = path;
}
else
{
builder.Add(c.GetDirCacheEntry());
}
}
else
{
if (c != null && (!update || FileMode.GITLINK == c.EntryFileMode))
{
builder.Add(c.GetDirCacheEntry());
}
}
}
}
}
}
inserter.Flush();
builder.Commit();
SetCallable(false);
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().exceptionCaughtDuringExecutionOfAddCommand
, e);
}
finally
{
inserter.Release();
if (dc != null)
{
dc.Unlock();
}
}
return(dc);
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override bool MergeImpl()
{
bool implicitDirCache = false;
if (dircache == null)
{
dircache = GetRepository().LockDirCache();
implicitDirCache = true;
}
try
{
builder = dircache.Builder();
DirCacheBuildIterator buildIt = new DirCacheBuildIterator(builder);
tw = new NameConflictTreeWalk(db);
tw.AddTree(MergeBase());
tw.AddTree(sourceTrees[0]);
tw.AddTree(sourceTrees[1]);
tw.AddTree(buildIt);
if (workingTreeIterator != null)
{
tw.AddTree(workingTreeIterator);
}
while (tw.Next())
{
if (!ProcessEntry(tw.GetTree <CanonicalTreeParser>(T_BASE), tw.GetTree <CanonicalTreeParser
>(T_OURS), tw.GetTree <CanonicalTreeParser>(T_THEIRS), tw.GetTree <DirCacheBuildIterator
>(T_INDEX), (workingTreeIterator == null) ? null : tw.GetTree <WorkingTreeIterator
>(T_FILE)))
{
CleanUp();
return(false);
}
if (tw.IsSubtree && enterSubtree)
{
tw.EnterSubtree();
}
}
if (!inCore)
{
// All content-merges are successfully done. If we can now write the
// new index we are on quite safe ground. Even if the checkout of
// files coming from "theirs" fails the user can work around such
// failures by checking out the index again.
if (!builder.Commit())
{
CleanUp();
throw new IndexWriteException();
}
builder = null;
// No problem found. The only thing left to be done is to checkout
// all files from "theirs" which have been selected to go into the
// new index.
Checkout();
}
else
{
builder.Finish();
builder = null;
}
if (GetUnmergedPaths().IsEmpty())
{
resultTree = dircache.WriteTree(oi);
return(true);
}
else
{
resultTree = null;
return(false);
}
}
finally
{
if (implicitDirCache)
{
dircache.Unlock();
}
}
}
