$ git clone -n https://src.fedoraproject.org/rpms/python-GridDataFormats.git /var/lib/mock/f40-build-2222560-52708/root/chroot_tmpdir/scmroot/python-GridDataFormats
Cloning into '/var/lib/mock/f40-build-2222560-52708/root/chroot_tmpdir/scmroot/python-GridDataFormats'...
$ git fetch origin 019e370bd2ec3d4da01b388a405000acf3f26677:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-GridDataFormats
 * [new ref]         019e370bd2ec3d4da01b388a405000acf3f26677 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 019e370 update to 1.0.2 (resolves rhbz#2245479)