$ git clone -n https://gitee.com/src-opencloudos-rpms/krb5.git /var/lib/mock/dist-oc9-build-70229-47407/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-oc9-build-70229-47407/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/krb5
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c1bc46 import krb5-1.21.2-1.tl4