$ git clone -n https://src.fedoraproject.org/rpms/blender.git /var/lib/mock/f40-build-2473405-61493/root/chroot_tmpdir/scmroot/blender
Cloning into '/var/lib/mock/f40-build-2473405-61493/root/chroot_tmpdir/scmroot/blender'...
$ git fetch origin 2f32035b4084076a917da0ea909ffcac4fbb90da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blender
 * [new ref]         2f32035b4084076a917da0ea909ffcac4fbb90da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f32035 Reintroduce pylongobject fix