buildkite.yaml

steps:
  - label: build
    if: build.branch == "main"
    agents:
      queue: private
    artifacts:
      - alejandra-*
    command:
      - echo +++
      - nix build .#alejandra-binaries
      - nix-store
        --query
        --include-outputs $(nix-store --query --deriver result)
        --requisites |
        grep -v '\.drv$$' |
        cachix push alejandra
      - cp -L result/* .

  - label: coverage
    if: build.branch == "main"
    agents:
      queue: private
    command:
      - echo +++ Fetch
      - git branch -D main
      - git branch main
      - git checkout main
      - echo --- Load environment
      - direnv allow
      - eval "$(direnv export bash)"
      - echo +++ Run tests
      - cd src/alejandra
      - cargo tarpaulin --coveralls "${COVERALLS_REPO_TOKEN}"

  - label: formatting diff
    if: build.branch != "main"
    artifacts:
      - formatting-before-vs-after.patch.txt
      - formatting-after.patch.txt
    command:
      - echo +++ Formatting - demo
      - nix run . -- flake.nix

      - echo --- Cloning nixpkgs
      - git config --global user.email CI/CD
      - git config --global user.name CI/CD
      - git clone --branch=master --depth 1 --origin=upstream file:///data/nixpkgs

      - echo --- Formatting - before
      - nix --tarball-ttl 1 run github:kamadorueda/alejandra -- nixpkgs 2>/dev/null
      - git -C nixpkgs add .
      - git -C nixpkgs commit -m formatting-before -q
      - git -C nixpkgs branch formatting-before
      - git -C nixpkgs reset --hard master~1

      - echo --- Formatting - after
      - nix run . -- nixpkgs 2>/dev/null
      - git -C nixpkgs diff formatting-before > formatting-before-vs-after.patch.txt

  - label: closure diff
    if: build.branch != "main"
    artifacts:
      - closure-before.txt
      - closure-after.txt
      - closure-before-vs-after.patch.txt
    command:
      - git config --global user.email CI/CD
      - git config --global user.name CI/CD
      - git clone --branch=master --depth 1 --origin=upstream file:///data/nixpkgs

      - echo --- Closure @ before
      - nix-env --query --available --attr-path --drv-path --file nixpkgs --xml > closure-before.txt

      - echo --- Formatting
      - nix run . -- nixpkgs 2>/dev/null

      - echo --- Closure @ after
      - nix-env --query --available --attr-path --drv-path --file nixpkgs --xml > closure-after.txt

      - echo +++ Closure diff
      - git diff --no-index closure-before.txt closure-after.txt > closure-before-vs-after.patch.txt || true
      - git diff --no-index closure-before.txt closure-after.txt --shortstat || true

      - echo +++ Derivations count
      - grep -c drvPath= closure-after.txt

  - label: lint
    if: build.branch != "main"
    command:
      - echo --- Load environment
      - direnv allow
      - eval "$(direnv export bash)"
      - echo +++ Run Linter
      - cargo clippy

  - label: flake check
    if: build.branch != "main"
    command:
      - echo +++
      - nix flake check