$ git clone -n https://gitee.com/zhoujiajia111/libtheora.git /var/lib/mock/dist-an23.2-build-429625-73034/root/chroot_tmpdir/scmroot/libtheora
Cloning into '/var/lib/mock/dist-an23.2-build-429625-73034/root/chroot_tmpdir/scmroot/libtheora'...
$ git fetch origin 1f27cb0ac96a666ddcc37773ead548b6788b41ff:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/libtheora
 * [new ref]         1f27cb0ac96a666ddcc37773ead548b6788b41ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f27cb0 update libtheora.spec.