$ git clone -n https://gitee.com/src-opencloudos-rpms/krb5.git /var/lib/mock/dist-oc8-build-239722-82624/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-oc8-build-239722-82624/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin e46af3854042c67cf66d68b95a20074e2ad81084:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/krb5
 * [new ref]         e46af3854042c67cf66d68b95a20074e2ad81084 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e46af38 import krb5-1.18.2-33.tl3