$ git clone -n https://gitee.com/src-opencloudos-rpms/kexec-tools.git /var/lib/mock/dist-oc8-build-66526-16944/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-oc8-build-66526-16944/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git fetch origin 48b865e516c4461dad44d13c23fcc7e7daae29f9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/kexec-tools
 * [new ref]         48b865e516c4461dad44d13c23fcc7e7daae29f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48b865e import kexec-tools-2.0.27-1.tl3.3