$ git clone -n https://src.fedoraproject.org/rpms/grib_api.git /var/lib/mock/f40-build-2199117-51720/root/chroot_tmpdir/scmroot/grib_api
Cloning into '/var/lib/mock/f40-build-2199117-51720/root/chroot_tmpdir/scmroot/grib_api'...
$ git fetch origin cc276059c5b533e1646de8b9ed78278cb4205ca4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grib_api
 * [new ref]         cc276059c5b533e1646de8b9ed78278cb4205ca4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc27605 rebuild after so name jump of libjasper