$ git clone -n https://src.fedoraproject.org/rpms/pygrib.git /var/lib/mock/f41-build-1309732-23503/root/chroot_tmpdir/scmroot/pygrib
Cloning into '/var/lib/mock/f41-build-1309732-23503/root/chroot_tmpdir/scmroot/pygrib'...
$ git fetch origin cac7bda5af3c0d84e84fe56818daedfcc5c19484:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pygrib
 * [new ref]         cac7bda5af3c0d84e84fe56818daedfcc5c19484 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cac7bda fix doctest problem that occurred after the update of eccodes from v2.33.0 to v2.34.1 by patching one test following upstream suggestion (see issue #245 and pull-request #246)