FROM alpine:latest
MAINTAINER Jonathan Kingston <[email protected]>

ENV RUST_DIR rust-1.14.0-x86_64-unknown-linux-gnu
ENV RUST_PACKAGE $RUST_DIR.tar.gz
ENV RUST_DOWNLOAD https://static.rust-lang.org/dist/$RUST_PACKAGE

WORKDIR /rust

# Download files and create a layer for perf
# Do the smaller files first in case they fail
RUN apk add --no-cache gnupg curl ca-certificates \
    && curl -fSOL $RUST_DOWNLOAD.asc \
    && curl -fSOL https://keybase.io/rust/pgp_keys.asc \
    && curl -fOSL $RUST_DOWNLOAD \
    && curl -s $RUST_DOWNLOAD.sha256 | sha256sum -c - \
    && if [ $(gpg pgp_keys.asc | grep 108F66205EAEB0AAA8DD5E1C85AB96E6FA1BE5FE | wc -l ) != 1 ]; then \
      exit 1; \
    fi \
    && gpg --import pgp_keys.asc \
    && if [ $(gpg2 --logger-fd 1 --status-fd 1 --always-trust --with-fingerprint --verify $RUST_PACKAGE.asc | grep 'Primary key fingerprint' | wc -l) != 1 ]; then \
      exit 2; \
    fi;

# Unpack, housekeeping and install
# Alpine doesn't support tar --strip-components
RUN tar -xzvf $RUST_PACKAGE \
    && mv $RUST_DIR/* . \
    && rm -rf $RUST_DIR \
    && rm -f $RUST_PACKAGE \
    && rm -f $RUST_PACKAGE.asc \
    && apk del curl \
    && ./install.sh;