$ git clone -n https://gitee.com/src-opencloudos-rpms/krb5.git /var/lib/mock/dist-oc8-build-138103-79637/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-oc8-build-138103-79637/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin 243c39accbbcd8ace9826b7d5a985a9d9f0ad942:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/krb5
 * [new ref]         243c39accbbcd8ace9826b7d5a985a9d9f0ad942 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 243c39a import krb5-1.18.2-32.tl3