$ git clone -n https://gitee.com/src-opencloudos-rpms/kexec-tools.git /var/lib/mock/dist-oc8-build-38684-12609/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-oc8-build-38684-12609/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git reset --hard origin/oc8
HEAD is now at 61c0f1f import kexec-tools-2.0.23-1.tl3.2