$ git clone -n https://gitee.com/xht8015/libdb.git /var/lib/mock/dist-an23-build-481133-74252/root/chroot_tmpdir/scmroot/libdb
Cloning into '/var/lib/mock/dist-an23-build-481133-74252/root/chroot_tmpdir/scmroot/libdb'...
$ git fetch origin e1639baa80b75d743c5efb1611173a6fd3f03212:KOJI_FETCH_HEAD
From https://gitee.com/xht8015/libdb
 * [new ref]         e1639baa80b75d743c5efb1611173a6fd3f03212 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1639ba remove arch check