$ git clone -n https://src.fedoraproject.org/rpms/matrix-synapse.git /var/lib/mock/f41-build-822797-153292/root/chroot_tmpdir/scmroot/matrix-synapse
Cloning into '/var/lib/mock/f41-build-822797-153292/root/chroot_tmpdir/scmroot/matrix-synapse'...
$ git fetch origin cd6c62eacf7e97fcf0cb86c7428efa9dd368be0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/matrix-synapse
 * [new ref]         cd6c62eacf7e97fcf0cb86c7428efa9dd368be0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd6c62e Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild