$ git clone -n https://src.fedoraproject.org/rpms/python-scour.git /var/lib/mock/f40-build-2029584-47486/root/chroot_tmpdir/scmroot/python-scour
Cloning into '/var/lib/mock/f40-build-2029584-47486/root/chroot_tmpdir/scmroot/python-scour'...
$ git fetch origin e3b0c560f50f8779796a9a47065b5071d6c9eef1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-scour
 * [new ref]         e3b0c560f50f8779796a9a47065b5071d6c9eef1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3b0c56 Update to new Python macros