$ git clone -n https://src.fedoraproject.org/rpms/python-pagure-messages.git /var/lib/mock/f41-build-side-2-python-2730333-30809/root/chroot_tmpdir/scmroot/python-pagure-messages
Cloning into '/var/lib/mock/f41-build-side-2-python-2730333-30809/root/chroot_tmpdir/scmroot/python-pagure-messages'...
$ git fetch origin 7c6ead5ea86afb3043aa2d6612fb8b903140fca4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pagure-messages
 * [new ref]         7c6ead5ea86afb3043aa2d6612fb8b903140fca4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c6ead5 convert GPLv2+ license to SPDX