$ git clone -n https://src.fedoraproject.org/rpms/python-doubleratchet.git /var/lib/mock/f40-build-2314297-57784/root/chroot_tmpdir/scmroot/python-doubleratchet
Cloning into '/var/lib/mock/f40-build-2314297-57784/root/chroot_tmpdir/scmroot/python-doubleratchet'...
$ git fetch origin 512d0f8cffef46051447729170664f88c7b94e4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-doubleratchet
 * [new ref]         512d0f8cffef46051447729170664f88c7b94e4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 512d0f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild