$ git clone -n https://src.fedoraproject.org/rpms/python-scikit-misc.git /var/lib/mock/f41-build-side-2-python-2686687-30124/root/chroot_tmpdir/scmroot/python-scikit-misc
Cloning into '/var/lib/mock/f41-build-side-2-python-2686687-30124/root/chroot_tmpdir/scmroot/python-scikit-misc'...
$ git fetch origin e66bddf66d78bb5a0f223c0cf1a2ae38f05bc476:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-scikit-misc
 * [new ref]         e66bddf66d78bb5a0f223c0cf1a2ae38f05bc476 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e66bddf Drop obsolete BRs