setup-toolchain.sh

   1 #!/bin/bash
   2 # Set up the appropriate rustc toolchain
   3
   4 set -e
   5
   6 cd "$(dirname "$0")"
   7
   8 RTIM_PATH=$(command -v rustup-toolchain-install-master)
   9 CARGO_HOME=${CARGO_HOME:-$HOME/.cargo}
  10
  11 # Check if people also install RTIM in other locations beside
  12 # ~/.cargo/bin
  13 if [[ "$RTIM_PATH" == $CARGO_HOME/bin/rustup-toolchain-install-master ]]; then
  14     cargo +nightly install rustup-toolchain-install-master
  15 else
  16     VERSION=$(rustup-toolchain-install-master -V | grep -o "[0-9.]*")
  17     REMOTE=$(cargo search rustup-toolchain-install-master | grep -o "[0-9.]*")
  18     echo "info: skipping updating rustup-toolchain-install-master at $RTIM_PATH"
  19     echo "      current version : $VERSION"
  20     echo "      remote version  : $REMOTE"
  21 fi
  22
  23 RUST_COMMIT=$(git ls-remote https://github.com/rust-lang/rust master | awk '{print $1}')
  24
  25 if rustc +master -Vv 2>/dev/null | grep -q "$RUST_COMMIT"; then
  26     echo "info: master toolchain is up-to-date"
  27     exit 0
  28 fi
  29
  30 rustup-toolchain-install-master -f -n master -c rustc-dev -- "$RUST_COMMIT"
  31 rustup override set master