public virtual void ShouldReportFileModeChange()
{
WriteTrashFile("a.txt", "content");
Git git = new Git(db);
git.Add().AddFilepattern("a.txt").Call();
RevCommit c1 = git.Commit().SetMessage("initial commit").Call();
DirCache cache = db.LockDirCache();
DirCacheEditor editor = cache.Editor();
TreeWalk walk = new TreeWalk(db);
walk.AddTree(c1.Tree);
walk.Recursive = true;
NUnit.Framework.Assert.IsTrue(walk.Next());
editor.Add(new _PathEdit_318(walk, "a.txt"));
NUnit.Framework.Assert.IsTrue(editor.Commit());
RevCommit c2 = git.Commit().SetMessage("second commit").Call();
walk.Reset();
walk.AddTree(c1.Tree);
walk.AddTree(c2.Tree);
IList <DiffEntry> diffs = DiffEntry.Scan(walk, false);
NUnit.Framework.Assert.AreEqual(1, diffs.Count);
DiffEntry diff = diffs[0];
NUnit.Framework.Assert.AreEqual(DiffEntry.ChangeType.MODIFY, diff.GetChangeType()
);
NUnit.Framework.Assert.AreEqual(diff.GetOldId(), diff.GetNewId());
NUnit.Framework.Assert.AreEqual("a.txt", diff.GetOldPath());
NUnit.Framework.Assert.AreEqual(diff.GetOldPath(), diff.GetNewPath());
NUnit.Framework.Assert.AreEqual(FileMode.EXECUTABLE_FILE, diff.GetNewMode());
NUnit.Framework.Assert.AreEqual(FileMode.REGULAR_FILE, diff.GetOldMode());
}
public virtual void ShouldListAddedFileBetweenTwoCommits()
{
// given
Git git = new Git(db);
RevCommit c1 = git.Commit().SetMessage("initial commit").Call();
WriteTrashFile("a.txt", "content");
git.Add().AddFilepattern("a.txt").Call();
RevCommit c2 = git.Commit().SetMessage("second commit").Call();
// when
TreeWalk walk = new TreeWalk(db);
walk.AddTree(c1.Tree);
walk.AddTree(c2.Tree);
IList <DiffEntry> result = DiffEntry.Scan(walk);
// then
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Count);
DiffEntry entry = result[0];
Assert.AreEqual(entry.GetChangeType(), DiffEntry.ChangeType.ADD);
Assert.AreEqual(entry.GetNewPath(), "a.txt");
Assert.AreEqual(entry.GetOldPath(), DiffEntry.DEV_NULL);
}
public virtual void ShouldListChangesInWorkingTree()
{
// given
WriteTrashFile("a.txt", "content");
Git git = new Git(db);
git.Add().AddFilepattern("a.txt").Call();
RevCommit c = git.Commit().SetMessage("initial commit").Call();
WriteTrashFile("b.txt", "new line");
// when
TreeWalk walk = new TreeWalk(db);
walk.AddTree(c.Tree);
walk.AddTree(new FileTreeIterator(db));
IList <DiffEntry> result = DiffEntry.Scan(walk, true);
// then
Assert.AreEqual(1, result.Count);
DiffEntry entry = result[0];
Assert.AreEqual(entry.GetChangeType(), DiffEntry.ChangeType.ADD);
Assert.AreEqual(entry.GetNewPath(), "b.txt");
}
public virtual void ShouldListModificationInDirWithoutModifiedTrees()
{
// given
Git git = new Git(db);
FilePath tree = new FilePath(new FilePath(db.WorkTree, "a"), "b");
FileUtils.Mkdirs(tree);
FilePath file = new FilePath(tree, "c.txt");
FileUtils.CreateNewFile(file);
Write(file, "content");
git.Add().AddFilepattern("a").Call();
RevCommit c1 = git.Commit().SetMessage("initial commit").Call();
Write(file, "new line");
RevCommit c2 = git.Commit().SetAll(true).SetMessage("second commit").Call();
// when
TreeWalk walk = new TreeWalk(db);
walk.AddTree(c1.Tree);
walk.AddTree(c2.Tree);
walk.Recursive = true;
IList <DiffEntry> result = DiffEntry.Scan(walk);
// then
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Count);
DiffEntry entry = result[0];
Assert.AreEqual(entry.GetChangeType(), DiffEntry.ChangeType.MODIFY);
Assert.AreEqual(entry.GetNewPath(), "a/b/c.txt");
}
/// <exception cref="System.Exception"></exception>
public virtual void ShouldThrowIAEWhenTreeWalkHasLessThanTwoTrees()
{
// given - we don't need anything here
// when
TreeWalk walk = new TreeWalk(db);
walk.AddTree(new EmptyTreeIterator());
DiffEntry.Scan(walk);
}
/// <exception cref="System.Exception"></exception>
public virtual void ShouldThrowIAEWhenScanShouldIncludeTreesAndWalkIsRecursive()
{
// given - we don't need anything here
// when
TreeWalk walk = new TreeWalk(db);
walk.AddTree(new EmptyTreeIterator());
walk.AddTree(new EmptyTreeIterator());
walk.Recursive = true;
DiffEntry.Scan(walk, true);
}
/// <summary>Determine the differences between two trees.</summary>
/// <remarks>
/// Determine the differences between two trees.
/// No output is created, instead only the file paths that are different are
/// returned. Callers may choose to format these paths themselves, or convert
/// them into
/// <see cref="NGit.Patch.FileHeader">NGit.Patch.FileHeader</see>
/// instances with a complete edit list by
/// calling
/// <see cref="ToFileHeader(DiffEntry)">ToFileHeader(DiffEntry)</see>
/// .
/// </remarks>
/// <param name="a">the old (or previous) side.</param>
/// <param name="b">the new (or updated) side.</param>
/// <returns>the paths that are different.</returns>
/// <exception cref="System.IO.IOException">trees cannot be read or file contents cannot be read.
/// </exception>
public virtual IList <DiffEntry> Scan(AbstractTreeIterator a, AbstractTreeIterator
b)
{
AssertHaveRepository();
TreeWalk walk = new TreeWalk(reader);
walk.AddTree(a);
walk.AddTree(b);
walk.Recursive = true;
TreeFilter filter = GetDiffTreeFilterFor(a, b);
if (pathFilter is FollowFilter)
{
walk.Filter = AndTreeFilter.Create(PathFilter.Create(((FollowFilter)pathFilter).GetPath
()), filter);
}
else
{
walk.Filter = AndTreeFilter.Create(pathFilter, filter);
}
source = new ContentSource.Pair(Source(a), Source(b));
IList <DiffEntry> files = DiffEntry.Scan(walk);
if (pathFilter is FollowFilter && IsAdd(files))
{
// The file we are following was added here, find where it
// came from so we can properly show the rename or copy,
// then continue digging backwards.
//
a.Reset();
b.Reset();
walk.Reset();
walk.AddTree(a);
walk.AddTree(b);
walk.Filter = filter;
if (renameDetector == null)
{
SetDetectRenames(true);
}
files = UpdateFollowFilter(DetectRenames(DiffEntry.Scan(walk)));
}
else
{
if (renameDetector != null)
{
files = DetectRenames(files);
}
}
return(files);
}
