steps:
  - label: formatting diff
    artifacts:
      - formatting-before-vs-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 config --global --add safe.directory /data/nixpkgs/.git
      - git clone --branch=master --depth 1 --origin=upstream file:///data/nixpkgs

      - echo --- Formatting - before
      - nix run github:kamadorueda/alejandra -- --quiet nixpkgs
      - 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 . -- --quiet nixpkgs
      - git -C nixpkgs diff formatting-before > formatting-before-vs-after.patch.txt

  - label: closure diff
    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 config --global --add safe.directory /data/nixpkgs/.git
      - 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 . -- --quiet nixpkgs

      - 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
    command:
      - echo --- Load environment
      - direnv allow
      - eval "$(direnv export bash)"
      - echo +++ Run Linter
      - cargo clippy

  - label: flake check
    command:
      - echo +++
      - nix flake check