$ git clone -n https://src.fedoraproject.org/rpms/gtk-sharp3.git /var/lib/mock/f40-build-2484821-61641/root/chroot_tmpdir/scmroot/gtk-sharp3
Cloning into '/var/lib/mock/f40-build-2484821-61641/root/chroot_tmpdir/scmroot/gtk-sharp3'...
$ git fetch origin a9d4a9df23f9596e2bec83d2ea704d5a3ea853fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk-sharp3
 * [new ref]         a9d4a9df23f9596e2bec83d2ea704d5a3ea853fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9d4a9d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild