$ git clone -n https://gitee.com/src-opencloudos-rpms/krb5.git /var/lib/mock/dist-oc9-build-74834-51296/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-oc9-build-74834-51296/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin 315a6e416616ee5d22cf9b286c9cdb4fad9ca966:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/krb5
 * [new ref]         315a6e416616ee5d22cf9b286c9cdb4fad9ca966 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 315a6e4 import krb5-1.21.2-3.tl4