&& echo "$PURESCRIPT_DOWNLOAD_SHA1 linux64.tar.gz" | sha1sum -c - \
&& tar -xvf linux64.tar.gz \
&& rm /opt/linux64.tar.gz
ENV PATH /opt/purescript:$PATH
&& echo "$PURESCRIPT_DOWNLOAD_SHA1 linux64.tar.gz" | sha1sum -c - \
&& tar -xvf linux64.tar.gz \
&& rm /opt/linux64.tar.gz
ENV PATH /opt/purescript:$PATH