rust-cpython: change license of ref_sharing.rs to MIT
Since we plan to upstream this feature, it's better to continue further
refactoring under the same license as rust-cpython crate.
According to the file history, copyright holders are:
- Raphaël Gomès <rgomes@octobus.net>
- Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
- Yuya Nishihara <yuya@tcha.org>
FROM debian:%CODENAME%
RUN groupadd -g 1000 build && \
useradd -u 1000 -g 1000 -s /bin/bash -d /build -m build
RUN apt-get update && apt-get install -y \
build-essential \
debhelper \
devscripts \
dh-python \
less \
python \
python-all-dev \
python-docutils \
unzip \
zip