$ git clone -n https://src.fedoraproject.org/rpms/flatpak-rpm-macros.git /var/lib/mock/f41-build-851112-165857/root/chroot_tmpdir/scmroot/flatpak-rpm-macros
Cloning into '/var/lib/mock/f41-build-851112-165857/root/chroot_tmpdir/scmroot/flatpak-rpm-macros'...
$ git fetch origin d551f10a2f22a3e8d9420862638c0666a3e96ddb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatpak-rpm-macros
 * [new ref]         d551f10a2f22a3e8d9420862638c0666a3e96ddb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d551f10 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild