$ git clone -n https://gitee.com/src-opencloudos-rpms/krb5 /var/lib/mock/dist-oc8-build-58242-16245/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-oc8-build-58242-16245/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/krb5
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3220dc1 import krb5-1.18.2-26.tl3