$ git clone -n https://gitee.com/src-opencloudos-rpms/krb5.git /var/lib/mock/dist-oc8-build-124967-74591/root/chroot_tmpdir/scmroot/krb5
Cloning into '/var/lib/mock/dist-oc8-build-124967-74591/root/chroot_tmpdir/scmroot/krb5'...
$ git fetch origin f546b29cd5c47d2d43f685c70f0adac2d6956349:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/krb5
 * [new ref]         f546b29cd5c47d2d43f685c70f0adac2d6956349 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f546b29 import krb5-1.18.2-31.tl3