public virtual void TestPathsReset()
{
SetupRepository();
DirCacheEntry preReset = DirCache.Read(db.GetIndexFile(), db.FileSystem).GetEntry
(indexFile.GetName());
NUnit.Framework.Assert.IsNotNull(preReset);
git.Add().AddFilepattern(untrackedFile.GetName()).Call();
// 'a.txt' has already been modified in setupRepository
// 'notAddedToIndex.txt' has been added to repository
git.Reset().AddPath(indexFile.GetName()).AddPath(untrackedFile.GetName()).Call();
DirCacheEntry postReset = DirCache.Read(db.GetIndexFile(), db.FileSystem).GetEntry
(indexFile.GetName());
NUnit.Framework.Assert.IsNotNull(postReset);
NUnit.Framework.Assert.AreNotSame(preReset.GetObjectId(), postReset.GetObjectId()
);
NUnit.Framework.Assert.AreEqual(prestage.GetObjectId(), postReset.GetObjectId());
// check that HEAD hasn't moved
ObjectId head = db.Resolve(Constants.HEAD);
NUnit.Framework.Assert.AreEqual(secondCommit, head);
// check if files still exist
NUnit.Framework.Assert.IsTrue(untrackedFile.Exists());
NUnit.Framework.Assert.IsTrue(indexFile.Exists());
NUnit.Framework.Assert.IsTrue(InHead(indexFile.GetName()));
NUnit.Framework.Assert.IsTrue(InIndex(indexFile.GetName()));
NUnit.Framework.Assert.IsFalse(InIndex(untrackedFile.GetName()));
}
/// <summary>Reverts the worktree after an unsuccessful merge.</summary>
/// <remarks>
/// Reverts the worktree after an unsuccessful merge. We know that for all
/// modified files the old content was in the old index and the index
/// contained only stage 0. In case if inCore operation just clear
/// the history of modified files.
/// </remarks>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
/// <exception cref="NGit.Errors.CorruptObjectException">NGit.Errors.CorruptObjectException
/// </exception>
/// <exception cref="NGit.Errors.NoWorkTreeException">NGit.Errors.NoWorkTreeException
/// </exception>
private void CleanUp()
{
if (inCore)
{
modifiedFiles.Clear();
return;
}
DirCache dc = db.ReadDirCache();
ObjectReader or = db.ObjectDatabase.NewReader();
Iterator <string> mpathsIt = modifiedFiles.Iterator();
while (mpathsIt.HasNext())
{
string mpath = mpathsIt.Next();
DirCacheEntry entry = dc.GetEntry(mpath);
FileOutputStream fos = new FileOutputStream(new FilePath(db.WorkTree, mpath));
try
{
or.Open(entry.GetObjectId()).CopyTo(fos);
}
finally
{
fos.Close();
}
mpathsIt.Remove();
}
}
/// <summary>Represent the state of the index in one String.</summary>
/// <remarks>
/// Represent the state of the index in one String. This representation is
/// useful when writing tests which do assertions on the state of the index.
/// By default information about path, mode, stage (if different from 0) is
/// included. A bitmask controls which additional info about
/// modificationTimes, smudge state and length is included.
/// <p>
/// The format of the returned string is described with this BNF:
/// <pre>
/// result = ( "[" path mode stage? time? smudge? length? sha1? content? "]" )* .
/// mode = ", mode:" number .
/// stage = ", stage:" number .
/// time = ", time:t" timestamp-index .
/// smudge = "" | ", smudged" .
/// length = ", length:" number .
/// sha1 = ", sha1:" hex-sha1 .
/// content = ", content:" blob-data .
/// </pre>
/// 'stage' is only presented when the stage is different from 0. All
/// reported time stamps are mapped to strings like "t0", "t1", ... "tn". The
/// smallest reported time-stamp will be called "t0". This allows to write
/// assertions against the string although the concrete value of the time
/// stamps is unknown.
/// </remarks>
/// <param name="repo">the repository the index state should be determined for</param>
/// <param name="includedOptions">
/// a bitmask constructed out of the constants
/// <see cref="MOD_TIME">MOD_TIME</see>
/// ,
/// <see cref="SMUDGE">SMUDGE</see>
/// ,
/// <see cref="LENGTH">LENGTH</see>
/// ,
/// <see cref="CONTENT_ID">CONTENT_ID</see>
/// and
/// <see cref="CONTENT">CONTENT</see>
/// controlling which info is present in the
/// resulting string.
/// </param>
/// <returns>a string encoding the index state</returns>
/// <exception cref="System.InvalidOperationException">System.InvalidOperationException
/// </exception>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
public virtual string IndexState(Repository repo, int includedOptions)
{
DirCache dc = repo.ReadDirCache();
StringBuilder sb = new StringBuilder();
TreeSet <long> timeStamps = null;
// iterate once over the dircache just to collect all time stamps
if (0 != (includedOptions & MOD_TIME))
{
timeStamps = new TreeSet <long>();
for (int i = 0; i < dc.GetEntryCount(); ++i)
{
timeStamps.AddItem(Sharpen.Extensions.ValueOf(dc.GetEntry(i).LastModified));
}
}
// iterate again, now produce the result string
for (int i_1 = 0; i_1 < dc.GetEntryCount(); ++i_1)
{
DirCacheEntry entry = dc.GetEntry(i_1);
sb.Append("[" + entry.PathString + ", mode:" + entry.FileMode);
int stage = entry.Stage;
if (stage != 0)
{
sb.Append(", stage:" + stage);
}
if (0 != (includedOptions & MOD_TIME))
{
sb.Append(", time:t" + timeStamps.HeadSet(Sharpen.Extensions.ValueOf(entry.LastModified
)).Count);
}
if (0 != (includedOptions & SMUDGE))
{
if (entry.IsSmudged)
{
sb.Append(", smudged");
}
}
if (0 != (includedOptions & LENGTH))
{
sb.Append(", length:" + Sharpen.Extensions.ToString(entry.Length));
}
if (0 != (includedOptions & CONTENT_ID))
{
sb.Append(", sha1:" + ObjectId.ToString(entry.GetObjectId()));
}
if (0 != (includedOptions & CONTENT))
{
sb.Append(", content:" + Sharpen.Runtime.GetStringForBytes(db.Open(entry.GetObjectId
(), Constants.OBJ_BLOB).GetCachedBytes(), "UTF-8"));
}
if (0 != (includedOptions & ASSUME_UNCHANGED))
{
sb.Append(", assume-unchanged:" + entry.IsAssumeValid.ToString().ToLower());
}
sb.Append("]");
}
return(sb.ToString());
}
ObjectId WriteWorkingDirectoryTree(RevTree headTree, DirCache index)
{
DirCache dc = DirCache.NewInCore();
DirCacheBuilder cb = dc.Builder();
ObjectInserter oi = _repo.NewObjectInserter();
try {
TreeWalk tw = new TreeWalk(_repo);
tw.Reset();
tw.AddTree(new FileTreeIterator(_repo));
tw.AddTree(headTree);
tw.AddTree(new DirCacheIterator(index));
while (tw.Next())
{
// Ignore untracked files
if (tw.IsSubtree)
{
tw.EnterSubtree();
}
else if (tw.GetFileMode(0) != NGit.FileMode.MISSING && (tw.GetFileMode(1) != NGit.FileMode.MISSING || tw.GetFileMode(2) != NGit.FileMode.MISSING))
{
WorkingTreeIterator f = tw.GetTree <WorkingTreeIterator>(0);
DirCacheIterator dcIter = tw.GetTree <DirCacheIterator>(2);
DirCacheEntry currentEntry = dcIter.GetDirCacheEntry();
DirCacheEntry ce = new DirCacheEntry(tw.PathString);
if (!f.IsModified(currentEntry, true))
{
ce.SetLength(currentEntry.Length);
ce.LastModified = currentEntry.LastModified;
ce.FileMode = currentEntry.FileMode;
ce.SetObjectId(currentEntry.GetObjectId());
}
else
{
long sz = f.GetEntryLength();
ce.SetLength(sz);
ce.LastModified = f.GetEntryLastModified();
ce.FileMode = f.EntryFileMode;
var data = f.OpenEntryStream();
try {
ce.SetObjectId(oi.Insert(Constants.OBJ_BLOB, sz, data));
} finally {
data.Close();
}
}
cb.Add(ce);
}
}
cb.Finish();
return(dc.WriteTree(oi));
} finally {
oi.Release();
}
}
/// <summary>
/// adds a entry to the index builder which is a copy of the specified
/// DirCacheEntry
/// </summary>
/// <param name="e">the entry which should be copied</param>
/// <returns>the entry which was added to the index</returns>
private DirCacheEntry Keep(DirCacheEntry e)
{
DirCacheEntry newEntry = new DirCacheEntry(e.PathString, e.Stage);
newEntry.FileMode = e.FileMode;
newEntry.SetObjectId(e.GetObjectId());
newEntry.LastModified = e.LastModified;
newEntry.SetLength(e.Length);
builder.Add(newEntry);
return(newEntry);
}
/// <summary>Compares the entries content with the content in the filesystem.</summary>
/// <remarks>
/// Compares the entries content with the content in the filesystem.
/// Unsmudges the entry when it is detected that it is clean.
/// </remarks>
/// <param name="entry">the entry to be checked</param>
/// <returns>
/// <code>true</code> if the content matches, <code>false</code>
/// otherwise
/// </returns>
private bool ContentCheck(DirCacheEntry entry)
{
if (EntryObjectId.Equals(entry.GetObjectId()))
{
// Content has not changed
// We know the entry can't be racily clean because it's still clean.
// Therefore we unsmudge the entry!
// If by any chance we now unsmudge although we are still in the
// same time-slot as the last modification to the index file the
// next index write operation will smudge again.
// Caution: we are unsmudging just by setting the length of the
// in-memory entry object. It's the callers task to detect that we
// have modified the entry and to persist the modified index.
entry.SetLength((int)GetEntryLength());
return(false);
}
else
{
// Content differs: that's a real change!
return(true);
}
}
/// <exception cref="NGit.Errors.NoWorkTreeException"></exception>
/// <exception cref="System.IO.IOException"></exception>
public static void ValidateIndex(Git git)
{
DirCache dc = git.GetRepository().LockDirCache();
ObjectReader r = git.GetRepository().ObjectDatabase.NewReader();
try
{
for (int i = 0; i < dc.GetEntryCount(); ++i)
{
DirCacheEntry entry = dc.GetEntry(i);
if (entry.Length > 0)
{
NUnit.Framework.Assert.AreEqual(entry.Length, r.GetObjectSize(entry.GetObjectId()
, ObjectReader.OBJ_ANY));
}
}
}
finally
{
dc.Unlock();
r.Release();
}
}
public virtual void TestFindObjects()
{
DirCache tree0 = DirCache.NewInCore();
DirCacheBuilder b0 = tree0.Builder();
ObjectReader or = db.NewObjectReader();
ObjectInserter oi = db.NewObjectInserter();
DirCacheEntry aDotB = MakeEntry("a.b", EXECUTABLE_FILE);
b0.Add(aDotB);
DirCacheEntry aSlashB = MakeEntry("a/b", REGULAR_FILE);
b0.Add(aSlashB);
DirCacheEntry aSlashCSlashD = MakeEntry("a/c/d", REGULAR_FILE);
b0.Add(aSlashCSlashD);
DirCacheEntry aZeroB = MakeEntry("a0b", SYMLINK);
b0.Add(aZeroB);
b0.Finish();
NUnit.Framework.Assert.AreEqual(4, tree0.GetEntryCount());
ObjectId tree = tree0.WriteTree(oi);
// Find the directories that were implicitly created above.
TreeWalk tw = new TreeWalk(or);
tw.AddTree(tree);
ObjectId a = null;
ObjectId aSlashC = null;
while (tw.Next())
{
if (tw.PathString.Equals("a"))
{
a = tw.GetObjectId(0);
tw.EnterSubtree();
while (tw.Next())
{
if (tw.PathString.Equals("a/c"))
{
aSlashC = tw.GetObjectId(0);
break;
}
}
break;
}
}
NUnit.Framework.Assert.AreEqual(a, TreeWalk.ForPath(or, "a", tree).GetObjectId(0)
);
NUnit.Framework.Assert.AreEqual(a, TreeWalk.ForPath(or, "a/", tree).GetObjectId(0
));
NUnit.Framework.Assert.AreEqual(null, TreeWalk.ForPath(or, "/a", tree));
NUnit.Framework.Assert.AreEqual(null, TreeWalk.ForPath(or, "/a/", tree));
NUnit.Framework.Assert.AreEqual(aDotB.GetObjectId(), TreeWalk.ForPath(or, "a.b",
tree).GetObjectId(0));
NUnit.Framework.Assert.AreEqual(null, TreeWalk.ForPath(or, "/a.b", tree));
NUnit.Framework.Assert.AreEqual(null, TreeWalk.ForPath(or, "/a.b/", tree));
NUnit.Framework.Assert.AreEqual(aDotB.GetObjectId(), TreeWalk.ForPath(or, "a.b/",
tree).GetObjectId(0));
NUnit.Framework.Assert.AreEqual(aZeroB.GetObjectId(), TreeWalk.ForPath(or, "a0b",
tree).GetObjectId(0));
NUnit.Framework.Assert.AreEqual(aSlashB.GetObjectId(), TreeWalk.ForPath(or, "a/b"
, tree).GetObjectId(0));
NUnit.Framework.Assert.AreEqual(aSlashB.GetObjectId(), TreeWalk.ForPath(or, "b",
a).GetObjectId(0));
NUnit.Framework.Assert.AreEqual(aSlashC, TreeWalk.ForPath(or, "a/c", tree).GetObjectId
(0));
NUnit.Framework.Assert.AreEqual(aSlashC, TreeWalk.ForPath(or, "c", a).GetObjectId
(0));
NUnit.Framework.Assert.AreEqual(aSlashCSlashD.GetObjectId(), TreeWalk.ForPath(or,
"a/c/d", tree).GetObjectId(0));
NUnit.Framework.Assert.AreEqual(aSlashCSlashD.GetObjectId(), TreeWalk.ForPath(or,
"c/d", a).GetObjectId(0));
or.Release();
oi.Release();
}
