$ git clone -n https://gitee.com/wenyuzifang/crash.git /var/lib/mock/dist-an23-build-480602-74252/root/chroot_tmpdir/scmroot/crash
Cloning into '/var/lib/mock/dist-an23-build-480602-74252/root/chroot_tmpdir/scmroot/crash'...
$ git fetch origin dadacdc97c0c8b2bd9c65561f9c49ee5266c3e56:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/crash
 * [new ref]         dadacdc97c0c8b2bd9c65561f9c49ee5266c3e56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dadacdc Update code from upstream