Examples of org.eclipse.jgit.internal.storage.pack.DeltaEncoder.copy()

Package org.eclipse.jgit.internal.storage.pack

Class org.eclipse.jgit.internal.storage.pack.DeltaEncoder

Examples of org.eclipse.jgit.internal.storage.pack.DeltaEncoder.copy()

org.eclipse.jgit.internal.storage.pack.DeltaEncoder.copy()
Create a copy instruction to copy from the base object. @param offset position in the base object to copy from. This is absolute, from the beginning of the base. @param cnt number of bytes to copy. @return true if the copy fits within the limit; false if the copywould cause the instruction stream to exceed the limit. @throws IOException the instruction buffer cannot store the instructions.

    objectHeader(pack, Constants.OBJ_BLOB, base.length);
    deflate(pack, base);


    ByteArrayOutputStream tmp = new ByteArrayOutputStream();
    DeltaEncoder de = new DeltaEncoder(tmp, base.length, 3L << 30);
    de.copy(0, 1);
    byte[] delta = tmp.toByteArray();
    b.setOffset(pack.length());
    objectHeader(pack, Constants.OBJ_REF_DELTA, delta.length);
    idA.copyRawTo(pack);
    deflate(pack, delta);

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  private static byte[] delta(byte[] base, byte[] dest) throws IOException {
    ByteArrayOutputStream tmp = new ByteArrayOutputStream();
    DeltaEncoder de = new DeltaEncoder(tmp, base.length, dest.length);
    de.insert(dest, 0, 1);
    de.copy(1, base.length - 1);
    return tmp.toByteArray();
  }


  private static void packHeader(TemporaryBuffer.Heap pack, int cnt)
      throws IOException {

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