refac: split ci/cd into pieces

buildkite.yaml

@@ -1,101 +0,0 @@
-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
-    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 --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 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 . -- 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