public IEnumerable<HunkRangeInfo> GetGitDiffFor(ITextDocument textDocument, ITextSnapshot snapshot)
{
string fileName = textDocument.FilePath;
GitFileStatusTracker tracker = new GitFileStatusTracker(Path.GetDirectoryName(fileName));
if (!tracker.HasGitRepository || tracker.Repository.Resolve(Constants.HEAD) == null)
yield break;
GitFileStatus status = tracker.GetFileStatus(fileName);
if (status == GitFileStatus.New || status == GitFileStatus.Added)
yield break;
HistogramDiff diff = new HistogramDiff();
diff.SetFallbackAlgorithm(null);
string currentText = snapshot.GetText();
byte[] preamble = textDocument.Encoding.GetPreamble();
byte[] content = textDocument.Encoding.GetBytes(currentText);
if (preamble.Length > 0)
{
byte[] completeContent = new byte[preamble.Length + content.Length];
Buffer.BlockCopy(preamble, 0, completeContent, 0, preamble.Length);
Buffer.BlockCopy(content, 0, completeContent, preamble.Length, content.Length);
content = completeContent;
}
byte[] previousContent = GetPreviousRevision(tracker, fileName);
RawText b = new RawText(content);
RawText a = new RawText(previousContent);
EditList edits = diff.Diff(RawTextComparator.DEFAULT, a, b);
foreach (Edit edit in edits)
yield return new HunkRangeInfo(snapshot, edit, a, b);
}
private void ShowSelectedFile()
{
var fileName = GetSelectedFileName();
this.ClearEditor();
if (fileName == null)
{
diffLines = new string[0];
return;
}
try
{
string tmpFileName = "";
var status = tracker.GetFileStatus(fileName);
if (status == GitFileStatus.NotControlled || status == GitFileStatus.New)
{
tmpFileName = Path.Combine(tracker.WorkingDirectory, fileName);
}
else
{
var diffAgainstIndex = this.activeListView == this.listStaged;
tmpFileName = tracker.DiffFileAdv(fileName, diffAgainstIndex);
}
if (!string.IsNullOrWhiteSpace(tmpFileName) && File.Exists(tmpFileName))
{
if (tracker.IsBinaryFile(tmpFileName))
{
this.DiffEditor.Text = $"File \"{fileName}\" is binary that cannot be displayed.";
}
else if (new FileInfo(tmpFileName).Length > 2 * 1024 * 1024)
{
this.DiffEditor.Text = "File is too big to display: " + fileName;
}
else
{
diffLines = File.ReadAllLines(tmpFileName);
this.ShowFile(tmpFileName);
}
}
}
catch (Exception ex)
{
string message = ex.Message;
ShowStatusMessage(message);
}
}
public void FileNameCaseTest()
{
GitFileStatusTracker.Init(tempFolder);
File.WriteAllLines(tempFile, lines);
GitFileStatusTracker tracker = new GitFileStatusTracker(tempFolder);
tracker.StageFile(tempFile);
tracker.Commit("test message");
Assert.IsTrue(tracker.LastCommitMessage.StartsWith("test message"));
tempFile = tempFile.Replace("test", "TEST");
File.WriteAllText(tempFile, "changed text");
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Modified, tracker.GetFileStatus(tempFile));
}
private void menuUndo_Click(object sender, RoutedEventArgs e)
{
GetSelectedFileFullName(fileName =>
{
GitFileStatus status = tracker.GetFileStatus(fileName);
if (status == GitFileStatus.Modified || status == GitFileStatus.Staged ||
status == GitFileStatus.Deleted || status == GitFileStatus.Removed)
{
if (MessageBox.Show("Are you sure you want to undo changes for " + Path.GetFileName(fileName) +
" and restore a version from the last commit? ",
"Undo Changes", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
{
tracker.CheckOutFile(fileName);
}
}
}, false); // file must exists check flag is false
}
public IEnumerable <HunkRangeInfo> GetGitDiffFor(ITextDocument textDocument, ITextSnapshot snapshot)
{
string fileName = textDocument.FilePath;
GitFileStatusTracker tracker = new GitFileStatusTracker(Path.GetDirectoryName(fileName));
if (!tracker.IsGit)
{
yield break;
}
GitFileStatus status = tracker.GetFileStatus(fileName);
if (status == GitFileStatus.New || status == GitFileStatus.Added)
{
yield break;
}
HistogramDiff diff = new HistogramDiff();
diff.SetFallbackAlgorithm(null);
string currentText = snapshot.GetText();
byte[] preamble = textDocument.Encoding.GetPreamble();
byte[] content = textDocument.Encoding.GetBytes(currentText);
if (preamble.Length > 0)
{
byte[] completeContent = new byte[preamble.Length + content.Length];
Buffer.BlockCopy(preamble, 0, completeContent, 0, preamble.Length);
Buffer.BlockCopy(content, 0, completeContent, preamble.Length, content.Length);
content = completeContent;
}
byte[] previousContent = null; //GetPreviousRevision(tracker, fileName);
RawText b = new RawText(content);
RawText a = new RawText(previousContent ?? new byte[0]);
EditList edits = diff.Diff(RawTextComparator.DEFAULT, a, b);
foreach (Edit edit in edits)
{
yield return(new HunkRangeInfo(snapshot, edit, a, b));
}
}
public void GetFileStatusTest()
{
GitFileStatusTracker.Init(tempFolder);
GitFileStatusTracker tracker = new GitFileStatusTracker(tempFolder);
File.WriteAllLines(tempFile, lines);
Assert.AreEqual(GitFileStatus.New, tracker.GetFileStatus(tempFile));
tracker.StageFile(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Added, tracker.GetFileStatus(tempFile));
tracker.UnStageFile(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.New, tracker.GetFileStatus(tempFile));
tracker.StageFile(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Added, tracker.GetFileStatus(tempFile));
tracker.Commit("中文 1čtestč");
Assert.AreEqual(GitFileStatus.Tracked, tracker.GetFileStatus(tempFile));
File.WriteAllText(tempFile, "changed text");
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Modified, tracker.GetFileStatus(tempFile));
tracker.StageFile(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Staged, tracker.GetFileStatus(tempFile));
tracker.UnStageFile(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Modified, tracker.GetFileStatus(tempFile));
File.Delete(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Deleted, tracker.GetFileStatus(tempFile));
tracker.StageFile(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Removed, tracker.GetFileStatus(tempFile));
tracker.UnStageFile(tempFile);
tracker.Refresh();
Assert.AreEqual(GitFileStatus.Deleted, tracker.GetFileStatus(tempFile));
}
