$ git clone -n https://gitee.com/src-opencloudos-rpms/crash /var/lib/mock/dist-oc8-build-57855-15781/root/chroot_tmpdir/scmroot/crash
Cloning into '/var/lib/mock/dist-oc8-build-57855-15781/root/chroot_tmpdir/scmroot/crash'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/crash
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebd166c import crash-7.3.2-8.tl3