version: 2.1

definitions:
  steps:
    - step: &build_binary
        name: Build binary
        command: chmod a+w . && cargo build --release
    - step: &versions
        name: Version information
        command: rustc --version; cargo --version; rustup --version

  filters:
    on_tag: &on_tag
      tags:
        only: /v[0-9]+(\.[0-9]+)*/
      branches:
        ignore: /.*/
    on_every_commit: &on_every_commit
      tags:
        only: /.*/

jobs:
  build:
    docker:
      - image: clux/muslrust:stable
    resource_class: xlarge
    environment:
      IMAGE_NAME: whyq
    steps:
      - checkout
      - run: *versions
      - run: *build_binary
      - run: echo versions

  release:
    docker:
      - image: clux/muslrust:stable
    resource_class: xlarge
    steps:
      - checkout
      - run: *versions
      - run: *build_binary
      - upload:
          source: "target/x86_64-unknown-linux-musl/release/${IMAGE_NAME}"
          binary_name: "${IMAGE_NAME}"
          version: "${CIRCLE_TAG}"
          arch: "x86_64-unknown-linux-musl"

workflows:
  version: 2
  my_flow:
    jobs:
      - build:
          filters:
            <<: *on_every_commit
      - release:
          filters:
             <<: *on_tag