$ git clone -n https://gitee.com/src-opencloudos-rpms/kexec-tools /var/lib/mock/dist-oc8-build-57967-15832/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-oc8-build-57967-15832/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/kexec-tools
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80c1b4a import kexec-tools-2.0.26-8.tl3