$ git clone -n https://src.fedoraproject.org/rpms/python-pint.git /var/lib/mock/f41-build-side-2-python-2718344-30595/root/chroot_tmpdir/scmroot/python-pint
Cloning into '/var/lib/mock/f41-build-side-2-python-2718344-30595/root/chroot_tmpdir/scmroot/python-pint'...
$ git fetch origin cf8c43869906d85f857c44ca57707d86956ff2b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pint
 * [new ref]         cf8c43869906d85f857c44ca57707d86956ff2b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf8c438 Update to 0.24.3 (close RHBZ#2297890)