$ git clone -n https://src.fedoraproject.org/rpms/python-portalocker.git /var/lib/mock/f41-build-side-2-python-2721476-30663/root/chroot_tmpdir/scmroot/python-portalocker
Cloning into '/var/lib/mock/f41-build-side-2-python-2721476-30663/root/chroot_tmpdir/scmroot/python-portalocker'...
$ git fetch origin 9f3379684c0bb17468486aa6fedf2c839c9b41dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-portalocker
 * [new ref]         9f3379684c0bb17468486aa6fedf2c839c9b41dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f33796 Update to 2.10.1 upstream release