private boolean sendWants(final Collection<Ref> want) throws IOException {
final PacketLineOut p = statelessRPC ? pckState : pckOut;
boolean first = true;
for (final Ref r : want) {
try {
if (walk.parseAny(r.getObjectId()).has(REACHABLE)) {
// We already have this object. Asking for it is
// not a very good idea.
//
continue;
}
} catch (IOException err) {
// Its OK, we don't have it, but we want to fix that
// by fetching the object from the other side.
}
final StringBuilder line = new StringBuilder(46);
line.append("want ");
line.append(r.getObjectId().name());
if (first) {
line.append(enableCapabilities());
first = false;
}
line.append('\n');
p.writeString(line.toString());
}
if (first) return false;
p.end();
outNeedsEnd = false;
return true;
}
@Test
public void testUsingHiddenDeltaBaseFails() throws Exception {
byte[] delta = {0x1, 0x1, 0x1, 'c'};
TestRepository<Repository> s = new TestRepository<Repository>(src);
RevCommit N =
s.commit()
.parent(B)
.add("q", s.blob(BinaryDelta.apply(dst.open(b).getCachedBytes(), delta)))
.create();
final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(1024);
packHeader(pack, 3);
copy(pack, src.open(N));
copy(pack, src.open(s.parseBody(N).getTree()));
pack.write((Constants.OBJ_REF_DELTA) << 4 | 4);
b.copyRawTo(pack);
deflate(pack, delta);
digest(pack);
final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(1024);
final PacketLineOut inPckLine = new PacketLineOut(inBuf);
inPckLine.writeString(
ObjectId.zeroId().name()
+ ' '
+ N.name()
+ ' '
+ "refs/heads/s"
+ '\0'
+ BasePackPushConnection.CAPABILITY_REPORT_STATUS);
inPckLine.end();
pack.writeTo(inBuf, PM);
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024);
final ReceivePack rp = new ReceivePack(dst);
rp.setCheckReceivedObjects(true);
rp.setCheckReferencedObjectsAreReachable(true);
rp.setAdvertiseRefsHook(new HidePrivateHook());
try {
receive(rp, inBuf, outBuf);
fail("Expected UnpackException");
} catch (UnpackException failed) {
Throwable err = failed.getCause();
assertTrue(err instanceof MissingObjectException);
MissingObjectException moe = (MissingObjectException) err;
assertEquals(b, moe.getObjectId());
}
final PacketLineIn r = asPacketLineIn(outBuf);
String master = r.readString();
int nul = master.indexOf('\0');
assertTrue("has capability list", nul > 0);
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul));
assertSame(PacketLineIn.END, r.readString());
assertEquals("unpack error Missing blob " + b.name(), r.readString());
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString());
assertSame(PacketLineIn.END, r.readString());
}
@Test
public void testUsingUnknownBlobFails() throws Exception {
// Try to use the 'n' blob that is not on the server.
//
TestRepository<Repository> s = new TestRepository<Repository>(src);
RevBlob n = s.blob("n");
RevCommit N = s.commit().parent(B).add("q", n).create();
// But don't include it in the pack.
//
final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(1024);
packHeader(pack, 2);
copy(pack, src.open(N));
copy(pack, src.open(s.parseBody(N).getTree()));
digest(pack);
final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(1024);
final PacketLineOut inPckLine = new PacketLineOut(inBuf);
inPckLine.writeString(
ObjectId.zeroId().name()
+ ' '
+ N.name()
+ ' '
+ "refs/heads/s"
+ '\0'
+ BasePackPushConnection.CAPABILITY_REPORT_STATUS);
inPckLine.end();
pack.writeTo(inBuf, PM);
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024);
final ReceivePack rp = new ReceivePack(dst);
rp.setCheckReceivedObjects(true);
rp.setCheckReferencedObjectsAreReachable(true);
rp.setAdvertiseRefsHook(new HidePrivateHook());
try {
receive(rp, inBuf, outBuf);
fail("Expected UnpackException");
} catch (UnpackException failed) {
Throwable err = failed.getCause();
assertTrue(err instanceof MissingObjectException);
MissingObjectException moe = (MissingObjectException) err;
assertEquals(n, moe.getObjectId());
}
final PacketLineIn r = asPacketLineIn(outBuf);
String master = r.readString();
int nul = master.indexOf('\0');
assertTrue("has capability list", nul > 0);
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul));
assertSame(PacketLineIn.END, r.readString());
assertEquals("unpack error Missing blob " + n.name(), r.readString());
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString());
assertSame(PacketLineIn.END, r.readString());
}
private void markCommon(final RevObject obj, final AckNackResult anr) throws IOException {
if (statelessRPC && anr == AckNackResult.ACK_COMMON && !obj.has(STATE)) {
StringBuilder s;
s = new StringBuilder(6 + Constants.OBJECT_ID_STRING_LENGTH);
s.append("have "); // $NON-NLS-1$
s.append(obj.name());
s.append('\n');
pckState.writeString(s.toString());
obj.add(STATE);
}
obj.add(COMMON);
if (obj instanceof RevCommit) ((RevCommit) obj).carry(COMMON);
}
@Test
public void testCreateBranchAtHiddenCommitFails() throws Exception {
final TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64);
packHeader(pack, 0);
digest(pack);
final TemporaryBuffer.Heap inBuf = new TemporaryBuffer.Heap(256);
final PacketLineOut inPckLine = new PacketLineOut(inBuf);
inPckLine.writeString(
ObjectId.zeroId().name()
+ ' '
+ P.name()
+ ' '
+ "refs/heads/s"
+ '\0'
+ BasePackPushConnection.CAPABILITY_REPORT_STATUS);
inPckLine.end();
pack.writeTo(inBuf, PM);
final TemporaryBuffer.Heap outBuf = new TemporaryBuffer.Heap(1024);
final ReceivePack rp = new ReceivePack(dst);
rp.setCheckReceivedObjects(true);
rp.setCheckReferencedObjectsAreReachable(true);
rp.setAdvertiseRefsHook(new HidePrivateHook());
try {
receive(rp, inBuf, outBuf);
fail("Expected UnpackException");
} catch (UnpackException failed) {
Throwable err = failed.getCause();
assertTrue(err instanceof MissingObjectException);
MissingObjectException moe = (MissingObjectException) err;
assertEquals(P, moe.getObjectId());
}
final PacketLineIn r = asPacketLineIn(outBuf);
String master = r.readString();
int nul = master.indexOf('\0');
assertTrue("has capability list", nul > 0);
assertEquals(B.name() + ' ' + R_MASTER, master.substring(0, nul));
assertSame(PacketLineIn.END, r.readString());
assertEquals("unpack error Missing commit " + P.name(), r.readString());
assertEquals("ng refs/heads/s n/a (unpacker error)", r.readString());
assertSame(PacketLineIn.END, r.readString());
}
