Taskfile.yaml

version: "3"
vars:
  OWNER: anchore
  PROJECT: stereoscope

  # static file dirs
  TOOL_DIR: .tool
  TMP_DIR: .tmp

  # used for changelog generation
  CHANGELOG: CHANGELOG.md
  NEXT_VERSION: VERSION

  # note: the snapshot dir must be a relative path starting with ./
  SNAPSHOT_DIR: ./snapshot
  SNAPSHOT_CMD: "{{ .TOOL_DIR }}/goreleaser release --config {{ .TMP_DIR }}/goreleaser.yaml --clean --snapshot --skip=publish --skip=sign"
  RELEASE_CMD:  "{{ .TOOL_DIR }}/goreleaser release --clean --release-notes {{ .CHANGELOG }}"
  VERSION:
    sh: git describe --dirty --always --tags


tasks:

  ## High-level tasks #################################

  default:
    desc: Run all validation tasks
    aliases:
      - pr-validations
      - validations
    cmds:
      - task: static-analysis
      - task: test

  static-analysis:
    desc: Run all static analysis tasks
    cmds:
      - task: check-go-mod-tidy
      - task: check-licenses
      - task: lint

  test:
    desc: Run all levels of test
    cmds:
      - task: unit
      - task: integration
      - task: benchmark


  ## Bootstrap tasks #################################

  binny:
    internal: true
    # desc: Get the binny tool
    generates:
      - "{{ .TOOL_DIR }}/binny"
    status:
      - "test -f {{ .TOOL_DIR }}/binny"
    cmd: "curl -sSfL https://raw.githubusercontent.com/anchore/binny/main/install.sh | sh -s -- -b .tool"
    silent: true

  tools:
    desc: Install all tools needed for CI and local development
    deps: [binny]
    aliases:
      - bootstrap
    generates:
      - ".binny.yaml"
      - "{{ .TOOL_DIR }}/*"
    status:
      - "{{ .TOOL_DIR }}/binny check -v"
    cmd: "{{ .TOOL_DIR }}/binny install -v"
    silent: true

  update-tools:
    desc: Update pinned versions of all tools to their latest available versions
    deps: [binny]
    generates:
      - ".binny.yaml"
      - "{{ .TOOL_DIR }}/*"
    cmd: "{{ .TOOL_DIR }}/binny update -v"
    silent: true

  list-tools:
    desc: List all tools needed for CI and local development
    deps: [binny]
    cmd: "{{ .TOOL_DIR }}/binny list"
    silent: true

  list-tool-updates:
    desc: List all tools that are not up to date relative to the binny config
    deps: [binny]
    cmd: "{{ .TOOL_DIR }}/binny list --updates"
    silent: true

  tmpdir:
    silent: true
    generates:
      - "{{ .TMP_DIR }}"
    cmd: "mkdir -p {{ .TMP_DIR }}"


  ## Static analysis tasks #################################

  format:
    desc: Auto-format all source code
    deps: [tools]
    cmds:
      - gofmt -w -s .
      - "{{ .TOOL_DIR }}/gosimports -local github.com/anchore -w ."
      - go mod tidy

  lint-fix:
    desc: Auto-format all source code + run golangci lint fixers
    deps: [tools]
    cmds:
      - task: format
      - "{{ .TOOL_DIR }}/golangci-lint run --tests=false --fix"

  lint:
    desc: Run gofmt + golangci lint checks
    vars:
      BAD_FMT_FILES:
        sh: gofmt -l -s .
      BAD_FILE_NAMES:
        sh: "find . | grep -e ':' || true"
    deps: [tools]
    cmds:
      # ensure there are no go fmt differences
      - cmd: 'test -z "{{ .BAD_FMT_FILES }}" || (echo "files with gofmt issues: [{{ .BAD_FMT_FILES }}]"; exit 1)'
        silent: true
      # ensure there are no files with ":" in it (a known back case in the go ecosystem)
      - cmd: 'test -z "{{ .BAD_FILE_NAMES }}" || (echo "files with bad names: [{{ .BAD_FILE_NAMES }}]"; exit 1)'
        silent: true
      # run linting
      - "{{ .TOOL_DIR }}/golangci-lint run --tests=false"

  check-licenses:
    # desc: Ensure transitive dependencies are compliant with the current license policy
    deps: [tools]
    cmd: "{{ .TOOL_DIR }}/bouncer check ./..."

  check-go-mod-tidy:
    # desc: Ensure go.mod and go.sum are up to date
    cmds:
      - cmd: .github/scripts/go-mod-tidy-check.sh && echo "go.mod and go.sum are tidy!"
        silent: true


  ## Testing tasks #################################

  unit:
    desc: Run unit tests
    deps:
      - tmpdir
    vars:
      TEST_PKGS:
        sh: "go list ./... | grep -v {{ .OWNER }}/{{ .PROJECT }}/test | tr '\n' ' '"

      # unit test coverage threshold (in % coverage)
      COVERAGE_THRESHOLD: 45
    cmds:
      - "go test -coverprofile {{ .TMP_DIR }}/unit-coverage-details.txt {{ .TEST_PKGS }}"
      - cmd: ".github/scripts/coverage.py {{ .COVERAGE_THRESHOLD }} {{ .TMP_DIR }}/unit-coverage-details.txt"
        silent: true

  integration:
    desc: Run integration tests
    deps:
      - integration-tools
    cmds:
      - "go test -v ./test/integration"

  integration-tools:
    desc: Build tools needed for integration tests
    cmds:
      - "cd test/integration/tools && make"

  integration-tools-load:
    desc: Load tools needed for integration tests
    cmds:
      - "cd test/integration/tools && make load-cache"

  integration-tools-save:
    desc: Save tools needed for integration tests
    cmds:
      - "cd test/integration/tools && make save-cache"


  ## Benchmark test targets #################################

  benchmark:
    deps: [tmpdir]
    sources:
      - ./**/*.go
    generates:
      - "{{ .TMP_DIR }}/benchmark-main.txt"
    cmds:
      - "go test -p 1 -run=^Benchmark -bench=. -count=7 -benchmem ./... | tee {{ .TMP_DIR }}/benchmark-{{ .VERSION }}.txt"
      - |
        bash -c "(test -s {{ .TMP_DIR }}/benchmark-main.txt && \
        {{ .TOOL_DIR }}/benchstat {{ .TMP_DIR }}/benchmark-main.txt {{ .TMP_DIR }}/benchmark-{{ .VERSION }}.txt || \
        {{ .TOOL_DIR }}/benchstat {{ .TMP_DIR }}/benchmark-{{ .VERSION }}.txt) \
        | tee {{ .TMP_DIR }}/benchstat.txt"

  show-benchstat:
    deps: [benchmark, tmpdir]
    sources:
      - "{{ .TMP_DIR }}/benchstat.txt"
    cmds:
      - cmd: "cat {{ .TMP_DIR }}/benchstat.txt"
        silent: true


  ## Test-fixture-related targets #################################

  fingerprints:
    desc: Generate test fixture fingerprints
    generates:
      - test/integration/test-fixtures/cache.fingerprint

    cmds:
      # for INTEGRATION test fixtures
      - "cd test/integration/test-fixtures && make cache.fingerprint"

  show-test-image-cache:
    silent: true
    cmds:
      - "echo '\nDocker daemon cache:'"
      - "docker images --format '{{`{{.ID}}`}} {{`{{.Repository}}`}}:{{`{{.Tag}}`}}' | grep stereoscope-fixture- | sort"
      - "echo '\nTar cache:'"
      - 'find . -type f -wholename "**/test-fixtures/snapshot/*" | sort'


  ## Build-related targets #################################

  snapshot:
    desc: Builds examples to show the the library compiles
    aliases:
      - build
    deps: [tools, tmpdir]
    sources:
      - pkg/**/*.go
      - internal/**/*.go
    cmds:
      - silent: true
        cmd: |
          echo "dist: {{ .SNAPSHOT_DIR }}" > {{ .TMP_DIR }}/goreleaser.yaml
          cat .goreleaser.yaml >> {{ .TMP_DIR }}/goreleaser.yaml
      - "{{ .SNAPSHOT_CMD }}"
      - cmd: ".github/scripts/build.sh {{ .SNAPSHOT_DIR }}"


  changelog:
    desc: Generate a changelog
    deps: [tools]
    generates:
      - "{{ .CHANGELOG }}"
      - "{{ .NEXT_VERSION }}"
    cmds:
      - "{{ .TOOL_DIR }}/chronicle -vv -n --version-file {{ .NEXT_VERSION }} > {{ .CHANGELOG }}"
      - "{{ .TOOL_DIR }}/glow {{ .CHANGELOG }}"


  ## Release targets #################################

  release:
    desc: Create a release
    interactive: true
    deps: [tools]
    cmds:
      - cmd: .github/scripts/trigger-release.sh
        silent: true


  ## CI-only targets #################################

  ci-check:
    # desc: "[CI only] Are you in CI?"
    requires:
      vars: [CI]

  ci-release:
    # desc: "[CI only] Create a release"
    deps: [tools]
    cmds:
      - task: ci-check
      - "{{ .TOOL_DIR }}/chronicle -vvv > {{ .CHANGELOG }}"
      - cmd: "cat {{ .CHANGELOG }}"
        silent: true
      - "{{ .RELEASE_CMD }}"


  ## Cleanup targets #################################

  clean-snapshot:
    desc: Remove any snapshot builds
    cmds:
      - "rm -rf {{ .SNAPSHOT_DIR }}"
      - "rm -rf {{ .TMP_DIR }}/goreleaser.yaml"

  clean-cache:
    desc: Remove all docker cache and local image tar cache
    cmds:
      - 'find . -type f -wholename "**/test-fixtures/cache/stereoscope-fixture-*.tar" -delete'
      - "docker images --format '{{`{{.ID}}`}} {{`{{.Repository}}`}}' | grep stereoscope-fixture- | awk '{print $$1}' | uniq | xargs -r docker rmi --force"