$ git clone -n https://gitee.com/zhoujiajia111/libtheora_1.git /var/lib/mock/dist-an23.3-build-432021-73058/root/chroot_tmpdir/scmroot/libtheora_1
Cloning into '/var/lib/mock/dist-an23.3-build-432021-73058/root/chroot_tmpdir/scmroot/libtheora_1'...
$ git fetch origin d52a34d08071008a058ab197c74a2bf60b409fbd:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/libtheora_1
 * [new ref]         d52a34d08071008a058ab197c74a2bf60b409fbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d52a34d update libtheora.spec.