$ git clone -n https://src.fedoraproject.org/rpms/gtk-gnutella.git /var/lib/mock/f40-build-792968-138688/root/chroot_tmpdir/scmroot/gtk-gnutella
Cloning into '/var/lib/mock/f40-build-792968-138688/root/chroot_tmpdir/scmroot/gtk-gnutella'...
$ git fetch origin 2e7351f9501423790633b3f2887ed721b3bec7fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk-gnutella
 * [new ref]         2e7351f9501423790633b3f2887ed721b3bec7fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e7351f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild