mdbook 0.0.19

# `install` phase: install stuff needed for the `script` phase


set -ex


case "$TRAVIS_OS_NAME" in
  linux)
    host=x86_64-unknown-linux-gnu
    ;;
  osx)
    host=x86_64-apple-darwin
    ;;
esac

mktempd() {
  echo $(mktemp -d 2>/dev/null || mktemp -d -t tmp)

}

install_rustup() {
  local td=$(mktempd)


  pushd $td

  curl -O https://static.rust-lang.org/rustup/dist/$host/rustup-setup

  chmod +x rustup-setup

  ./rustup-setup -y

  popd


  rm -r $td


  rustup default $CHANNEL

  rustc -V

  cargo -V

}

install_standard_crates() {
  if [ "$host" != "$TARGET" ]; then
    if [ ! "$CHANNEL" = "stable" ]; then
      rustup target add $TARGET

    else
      local version=$(rustc -V | cut -d' ' -f2)

      local tarball=rust-std-${version}-${TARGET}


      local td=$(mktempd)

      curl -s https://static.rust-lang.org/dist/${tarball}.tar.gz | \

        tar --strip-components 1 -C $td -xz


      $td/install.sh --prefix=$(rustc --print sysroot)


      rm -r $td

    fi

  fi

}

main() {
  install_rustup

  install_standard_crates

}

main