$ git clone -n https://gitee.com/src-opencloudos-rpms/krb5.git /var/lib/mock/dist-oc8-build-74281-49938/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-oc8-build-74281-49938/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin e7d0f68f6caa42a005d3405aabd934dd803b7758:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/krb5
 * [new ref]         e7d0f68f6caa42a005d3405aabd934dd803b7758 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7d0f68 import krb5-1.18.2-27.tl3