$ git clone -n https://gitee.com/wenyuzifang/sdl12-compat.git /var/lib/mock/dist-an23-build-486785-74383/root/chroot_tmpdir/scmroot/sdl12-compat
Cloning into '/var/lib/mock/dist-an23-build-486785-74383/root/chroot_tmpdir/scmroot/sdl12-compat'...
$ git fetch origin 0bf4224439f0257f6687544a7f47f772db83cfde:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/sdl12-compat
 * [new ref]         0bf4224439f0257f6687544a7f47f772db83cfde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bf4224 Update code from upstream