diff options
Diffstat (limited to 'org.eclipse.jgit')
-rw-r--r-- | org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java index cf070c6348..cab532288b 100644 --- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java +++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java @@ -77,14 +77,18 @@ import org.eclipse.jgit.errors.MissingObjectException; import org.eclipse.jgit.errors.PackProtocolException; import org.eclipse.jgit.internal.JGitText; import org.eclipse.jgit.internal.storage.pack.PackWriter; +import org.eclipse.jgit.lib.BitmapIndex; +import org.eclipse.jgit.lib.BitmapIndex.BitmapBuilder; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.NullProgressMonitor; import org.eclipse.jgit.lib.ObjectId; +import org.eclipse.jgit.lib.ObjectReader; import org.eclipse.jgit.lib.ProgressMonitor; import org.eclipse.jgit.lib.Ref; import org.eclipse.jgit.lib.RefDatabase; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.revwalk.AsyncRevObjectQueue; +import org.eclipse.jgit.revwalk.BitmapWalker; import org.eclipse.jgit.revwalk.DepthWalk; import org.eclipse.jgit.revwalk.ObjectWalk; import org.eclipse.jgit.revwalk.RevCommit; @@ -1315,6 +1319,18 @@ public class UploadPack { } } + private static void checkNotAdvertisedWantsUsingBitmap(ObjectReader reader, + BitmapIndex bitmapIndex, List<ObjectId> notAdvertisedWants, + Set<ObjectId> reachableFrom) throws IOException { + BitmapWalker bitmapWalker = new BitmapWalker(new ObjectWalk(reader), bitmapIndex, null); + BitmapBuilder reachables = bitmapWalker.findObjects(reachableFrom, null, false); + for (ObjectId oid : notAdvertisedWants) { + if (!reachables.contains(oid)) { + throw new WantNotValidException(oid); + } + } + } + private static void checkNotAdvertisedWants(UploadPack up, List<ObjectId> notAdvertisedWants, Set<ObjectId> reachableFrom) throws MissingObjectException, IncorrectObjectTypeException, IOException { @@ -1324,13 +1340,28 @@ public class UploadPack { // into an advertised branch it will be marked UNINTERESTING and no commits // return. - try (RevWalk walk = new RevWalk(up.getRevWalk().getObjectReader())) { + ObjectReader reader = up.getRevWalk().getObjectReader(); + try (RevWalk walk = new RevWalk(reader)) { AsyncRevObjectQueue q = walk.parseAny(notAdvertisedWants, true); try { RevObject obj; while ((obj = q.next()) != null) { - if (!(obj instanceof RevCommit)) + if (!(obj instanceof RevCommit)) { + // If unadvertized non-commits are requested, use + // bitmaps. If there are no bitmaps, instead of + // incurring the expense of a manual walk, reject + // the request. + BitmapIndex bitmapIndex = reader.getBitmapIndex(); + if (bitmapIndex != null) { + checkNotAdvertisedWantsUsingBitmap( + reader, + bitmapIndex, + notAdvertisedWants, + reachableFrom); + return; + } throw new WantNotValidException(obj); + } walk.markStart((RevCommit) obj); } } catch (MissingObjectException notFound) { |