$ git clone -n https://src.fedoraproject.org/rpms/eccodes.git /var/lib/mock/f45-build-8063-375/root/chroot_tmpdir/scmroot/eccodes
Cloning into '/var/lib/mock/f45-build-8063-375/root/chroot_tmpdir/scmroot/eccodes'...
$ git fetch origin 339d0549b1aeaebcadad7cf45292bac392cb05e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eccodes
 * [new ref]         339d0549b1aeaebcadad7cf45292bac392cb05e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 339d054 adapt soversion patch to changes in fortran/CMakeLists.txt file.