tree b11bfb0a0fb63c3357589d5a40ca7150ff8f1b42
parent 677b9b17e289bcce645b03986cee1e8b30f688ec
author Shawn O. Pearce <spearce@spearce.org> 1277250149 -0700
committer Shawn O. Pearce <spearce@spearce.org> 1277337255 -0700

Add MutableObjectId.copyFrom(AnyObjectId)

This simplifies the PackIndex code, which is trying to quickly copy
an existing ObjectId into a MutableObjectId.  Rather than having
the PackIndex violate the ObjectId's internals, expose a copy from
function similar to the other ones for copying from raw byte arrays
or hex formatted strings.

Change-Id: I142635cbece54af2ab83c58477961ce925dc8255
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>