$ git clone -n https://gitee.com/src-opencloudos-rpms/crash.git /var/lib/mock/dist-oc8-build-74788-51346/root/chroot_tmpdir/scmroot/crash
Cloning into '/var/lib/mock/dist-oc8-build-74788-51346/root/chroot_tmpdir/scmroot/crash'...
$ git fetch origin 5173cff0033fbc04a069b26cef6bff10b9b54112:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/crash
 * [new ref]         5173cff0033fbc04a069b26cef6bff10b9b54112 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5173cff import crash-8.0.4-2.tl3