install_rustfmt_clippy.sh

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# https://github.com/rust-lang/rustup-components-history/blob/master/README.md

# https://github.com/rust-lang/rust-clippy/blob/27acea0a1baac6cf3ac6debfdbce04f91e15d772/.travis.yml#L40-L46

if ! rustup component add rustfmt; then

    TARGET=$(rustc -Vv | awk '/host/{print $2}')

    NIGHTLY=$(curl -s "https://rust-lang.github.io/rustup-components-history/${TARGET}/rustfmt")

    curl -sSL "https://static.rust-lang.org/dist/${NIGHTLY}/rustfmt-nightly-${TARGET}.tar.xz" | \

    tar -xJf - --strip-components=3 -C ~/.cargo/bin

    rm -rf ~/.cargo/bin/doc

fi

if ! rustup component add clippy; then

    TARGET=$(rustc -Vv | awk '/host/{print $2}')

    NIGHTLY=$(curl -s "https://rust-lang.github.io/rustup-components-history/${TARGET}/clippy")

    rustup default nightly-${NIGHTLY}

    rustup component add rustfmt

    rustup component add clippy

fi