$ git clone -n https://src.fedoraproject.org/rpms/flatpak-xdg-utils.git /var/lib/mock/f40-build-791613-137672/root/chroot_tmpdir/scmroot/flatpak-xdg-utils
Cloning into '/var/lib/mock/f40-build-791613-137672/root/chroot_tmpdir/scmroot/flatpak-xdg-utils'...
$ git fetch origin df73aba0039c9cf566939e87aed6519fe9a0ade3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatpak-xdg-utils
 * [new ref]         df73aba0039c9cf566939e87aed6519fe9a0ade3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df73aba Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild