$ git clone -n https://src.fedoraproject.org/rpms/synfigstudio.git /var/lib/mock/f40-build-2513678-61717/root/chroot_tmpdir/scmroot/synfigstudio
Cloning into '/var/lib/mock/f40-build-2513678-61717/root/chroot_tmpdir/scmroot/synfigstudio'...
$ git fetch origin 51a73ee3066bdaa0fc6bc5c70a66de000381a6a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/synfigstudio
 * [new ref]         51a73ee3066bdaa0fc6bc5c70a66de000381a6a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51a73ee Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild