# https://github.com/crate-ci/azure-pipelines/blob/master/azure/install-rust.yml
# defaults for any parameters that aren't specified
parameters:
  rust: stable
  components: []
  targets: []

steps:
  # Linux and macOS.
  - script: |
      set -e
      curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUSTUP_TOOLCHAIN
      echo "##vso[task.setvariable variable=PATH;]$PATH:$HOME/.cargo/bin"
    env:
      RUSTUP_TOOLCHAIN: ${{parameters.rust}}
    displayName: "Install rust (*nix)"
    condition: not(eq(variables['Agent.OS'], 'Windows_NT'))

  # Windows.
  - script: |
      curl -sSf -o rustup-init.exe https://win.rustup.rs
      rustup-init.exe -y --default-toolchain %RUSTUP_TOOLCHAIN%
      set PATH=%PATH%;%USERPROFILE%\.cargo\bin
      echo "##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin"
    env:
      RUSTUP_TOOLCHAIN: ${{parameters.rust}}
    displayName: "Install rust (windows)"
    condition: eq(variables['Agent.OS'], 'Windows_NT')

  # Set correct toolchain
  - bash: |
      rustup default $RUSTUP_TOOLCHAIN
      rustup update $RUSTUP_TOOLCHAIN
    env:
      RUSTUP_TOOLCHAIN: ${{parameters.rust}}
    displayName: "Set correct Rust version"

  # Install additional targets:
  - ${{ each target in parameters.targets }}:
    - script: rustup target add ${{ target }}
      displayName: "Adding target '${{ target }}'"

  # Install additional components:
  - ${{ each component in parameters.components }}:
    - script: rustup component add ${{ component }}
      displayName: "Adding component '${{ component }}'"

  # See what we got
  - script: |
      rustc --version
      cargo --version
      rustup --version
    displayName: Check installed rust version