$ git clone -n https://src.fedoraproject.org/rpms/eccodes.git /var/lib/mock/f41-build-858107-168310/root/chroot_tmpdir/scmroot/eccodes
Cloning into '/var/lib/mock/f41-build-858107-168310/root/chroot_tmpdir/scmroot/eccodes'...
$ git fetch origin 6d99f551f97631971d82b09de98fe7c969b21eea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eccodes
 * [new ref]         6d99f551f97631971d82b09de98fe7c969b21eea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d99f55 update to upstream version 2.38.0