$ git clone -n https://src.fedoraproject.org/rpms/python-flask-basicauth.git /var/lib/mock/f39-build-1620840-38702/root/chroot_tmpdir/scmroot/python-flask-basicauth
Cloning into '/var/lib/mock/f39-build-1620840-38702/root/chroot_tmpdir/scmroot/python-flask-basicauth'...
$ git fetch origin 53de9a6bb10eccec4cb476e604df5ab5197ce2a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flask-basicauth
 * [new ref]         53de9a6bb10eccec4cb476e604df5ab5197ce2a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53de9a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild