$ git clone -n https://src.fedoraproject.org/rpms/mingw-fftw.git /var/lib/mock/f40-build-2010660-45627/root/chroot_tmpdir/scmroot/mingw-fftw
Cloning into '/var/lib/mock/f40-build-2010660-45627/root/chroot_tmpdir/scmroot/mingw-fftw'...
$ git fetch origin a34e9bf21ea4642dc330689936228a85e1322795:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-fftw
 * [new ref]         a34e9bf21ea4642dc330689936228a85e1322795 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a34e9bf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild