$ git clone -n https://src.fedoraproject.org/rpms/python-mne.git /var/lib/mock/f39-build-1964258-43281/root/chroot_tmpdir/scmroot/python-mne
Cloning into '/var/lib/mock/f39-build-1964258-43281/root/chroot_tmpdir/scmroot/python-mne'...
$ git fetch origin 3451099d7bf44cdf6d2a352c461c55b50c7f50cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mne
 * [new ref]         3451099d7bf44cdf6d2a352c461c55b50c7f50cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3451099 Remove default “-r” from %pyproject_buildrequires