parameters:
  toolchain: 'nightly'

steps:
  - bash: |
      set -e
      if command -v rustup; then
        rustup update $TOOLCHAIN
        rustup default $TOOLCHAIN
      else
        curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $TOOLCHAIN
        echo "##vso[task.prependpath]$HOME/.cargo/bin"
      fi
    displayName: Install rust
    condition: ne( variables['Agent.OS'], 'Windows_NT' )
    env:
      TOOLCHAIN: ${{ parameters.toolchain }}

  - script: |
      rustup update --no-self-update %TOOLCHAIN%-%TARGET%
      rustup default %TOOLCHAIN%-%TARGET%
    displayName: Install rust
    condition: eq( variables['Agent.OS'], 'Windows_NT' )
    env:
      TOOLCHAIN: ${{ parameters.toolchain }}

  - script: |
        rustc -Vv
        cargo -V
    displayName: Query rust and cargo versions