$ git clone -n https://src.fedoraproject.org/rpms/smtpping.git /var/lib/mock/f41-build-side-1-2670021-28993/root/chroot_tmpdir/scmroot/smtpping
Cloning into '/var/lib/mock/f41-build-side-1-2670021-28993/root/chroot_tmpdir/scmroot/smtpping'...
$ git fetch origin 0fa271f6bbc32b7a8bab36b0ee90de57af11cca3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/smtpping
 * [new ref]         0fa271f6bbc32b7a8bab36b0ee90de57af11cca3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0fa271f convert GPLv2+ license to SPDX