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

  CACHE_IMAGE: ghcr.io/{{ .OWNER }}/{{ .PROJECT }}/test-fixture-cache:latest

  # static file dirs
  TOOL_DIR: .tool
  TMP_DIR: .tmp
  ORAS_CACHE: "{{ .TMP_DIR }}/oras-cache"
  CACHE_PATHS_FILE: "{{ .TMP_DIR }}/cache_paths.json"
  LAST_CACHE_PULL_FILE: "{{ .TMP_DIR }}/last_cache_paths.json"

  # TOOLS
  ORAS: "{{ .TOOL_DIR }}/oras"
  YQ: "{{ .TOOL_DIR }}/yq"
  TASK: "{{ .TOOL_DIR }}/task"

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

  # used for snapshot builds
  OS:
    sh: uname -s | tr '[:upper:]' '[:lower:]'
  ARCH:
    sh: |
      [ "$(uname -m)" = "x86_64" ] && echo "amd64_v1" || echo $(uname -m)
  PROJECT_ROOT:
    sh: echo $PWD
  # note: the snapshot dir must be a relative path starting with ./
  SNAPSHOT_DIR: ./snapshot
  SNAPSHOT_BIN: "{{ .PROJECT_ROOT }}/{{ .SNAPSHOT_DIR }}/{{ .OS }}-build_{{ .OS }}_{{ .ARCH }}/{{ .PROJECT }}"
  SNAPSHOT_CMD: "{{ .TOOL_DIR }}/goreleaser release --config {{ .TMP_DIR }}/goreleaser.yaml --clean --snapshot --skip=publish --skip=sign"
  BUILD_CMD:    "{{ .TOOL_DIR }}/goreleaser build   --config {{ .TMP_DIR }}/goreleaser.yaml --clean --snapshot --single-target"
  RELEASE_CMD:  "{{ .TOOL_DIR }}/goreleaser release --clean --release-notes {{ .CHANGELOG }}"
  VERSION:
    sh: git describe --dirty --always --tags

  # used for install and acceptance testing
  COMPARE_DIR: ./test/compare
  COMPARE_TEST_IMAGE: centos:8.2.2004

env:
  GNUMAKEFLAGS: '--no-print-directory'

tasks:

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

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

  static-analysis:
    desc: Run all static analysis tasks
    cmds:
      - task: check-go-mod-tidy
      - task: check-licenses
      - task: lint
      - task: check-json-schema-drift
      - task: check-binary-fixture-size

  test:
    desc: Run all levels of test
    cmds:
      - task: unit
      - task: integration
      - task: validate-cyclonedx-schema
      - task: benchmark
      - task: test-utils
      - task: cli
      - task: check-docker-cache

  ## 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

  check-json-schema-drift:
    desc: Ensure there is no drift between the JSON schema and the code
    cmds:
      - .github/scripts/json-schema-drift-check.sh

  check-binary-fixture-size:
    desc: Ensure that the binary test fixtures are not too large
    cmds:
      - .github/scripts/check_binary_fixture_size.sh syft/pkg/cataloger/binary/test-fixtures/classifiers/snippets


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

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

      # unit test coverage threshold (in % coverage)
      COVERAGE_THRESHOLD: 62
    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
    cmds:
      - "go test -v ./cmd/syft/internal/test/integration"
      # exercise most of the CLI with the data race detector
      - "go run -race cmd/syft/main.go alpine:latest"

  validate-cyclonedx-schema:
    desc: Run integration tests
    cmds:
      - "cd schema/cyclonedx && make"

  cli:
    desc: Run CLI tests
    # note: we don't want to regenerate the snapshot unless we have to. In CI it's probable
    # that the cache being restored with the correct binary will be rebuilt since the timestamps
    # and local checksums will not line up.
    deps: [tools, snapshot]
    cmds:
      - cmd: "echo 'testing binary: {{ .SNAPSHOT_BIN }}'"
        silent: true

      - cmd: "test -f {{ .SNAPSHOT_BIN }} || (find {{ .SNAPSHOT_DIR }} && echo '\nno snapshot found' && false)"
        silent: true

      - "go test -count=1 -timeout=15m -v ./test/cli"
    env:
      SYFT_BINARY_LOCATION: "{{ .SNAPSHOT_BIN }}"

  test-utils:
    desc: Run tests for pipeline utils
    cmds:
      - cmd: .github/scripts/labeler_test.py


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

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


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

  fingerprints:
    desc: Generate fingerprints for all non-docker test fixture
    silent: true
    # this will look for `test-fixtures/Makefile` and invoke the `fingerprint` target to calculate all cache input fingerprint files
    generates:
      - '**/test-fixtures/**/*.fingerprint'
      - test/install/cache.fingerprint
    cmds:
      - |
        BOLD='\033[1m'
        YELLOW='\033[0;33m'
        RESET='\033[0m'

        echo -e "${YELLOW}creating fingerprint files for non-docker fixtures...${RESET}"        
        for dir in $(find . -type d -name 'test-fixtures'); do
          if [ -f "$dir/Makefile" ]; then
            # for debugging...
            #echo -e "${YELLOW}• calculating fingerprints in $dir... ${RESET}"
            
            (make -C "$dir" fingerprint)
          fi
        done

        # for debugging...
        # echo -e "generated all fixture fingerprints"

      - .github/scripts/fingerprint_docker_fixtures.py
      - |
        # if DOWNLOAD_TEST_FIXTURE_CACHE is set to 'false', then we don't need to calculate the fingerprint for the cache
        if [ "$DOWNLOAD_TEST_FIXTURE_CACHE" = "false" ]; then
          exit 0
        fi
        .github/scripts/find_cache_paths.py {{ .CACHE_PATHS_FILE }} > /dev/null


  refresh-fixtures:
    desc: Clear and fetch all test fixture cache
    aliases:
      - fixtures
    silent: true
    deps:
      - tools
    cmds:
      - |
        BOLD='\033[1m'
        PURPLE='\033[0;35m'
        RESET='\033[0m'
        
        # if DOWNLOAD_TEST_FIXTURE_CACHE is set to 'false', then skip the cache download and always build
        if [ "$DOWNLOAD_TEST_FIXTURE_CACHE" = "false" ]; then
            echo -e "${BOLD}${PURPLE}skipping cache download, rebuilding cache...${RESET}"
            {{ .TASK }} build-fixtures
            exit 0
        fi
        
        LATEST_FINGERPRINT=$(docker manifest inspect {{ .CACHE_IMAGE }} | {{ .YQ }} -r '.annotations.fingerprint')

        echo "latest cache:      $LATEST_FINGERPRINT"
        
        if [ -f {{ .LAST_CACHE_PULL_FILE }} ]; then
          LAST_PULL_FINGERPRINT=$(cat {{ .LAST_CACHE_PULL_FILE }} | {{ .YQ }} -r '.digest')
        else
          echo -e "${BOLD}${PURPLE}empty cache, downloading cache...${RESET}"
          {{ .TASK }} download-test-fixture-cache
          exit 0
        fi
        
        {{ .TASK }} fingerprints

        WANT_FINGERPRINT=$(cat {{ .CACHE_PATHS_FILE }} | {{ .YQ }} -r '.digest')        

        echo "desired cache:     $WANT_FINGERPRINT"
        echo "last pulled cache: $LAST_PULL_FINGERPRINT"
  
        # if we already have the latest cache, skip the refresh
        if [ "$LAST_PULL_FINGERPRINT" = "$WANT_FINGERPRINT" ]; then
            echo -e "${BOLD}${PURPLE}already have the latest cache (skipping cache download)${RESET}"
            exit 0
        fi
  
        # at this point we only refresh the cache if we want the same cache that is currently available.
        # we don't by default refresh the cache if the cache if it is simply different from what we have,
        # because we may be working on a code change that doesn't require a cache refresh (but could trigger one,
        # which would be annoying to deal with in a development workflow).
  
        if [ "$LATEST_FINGERPRINT" = "$WANT_FINGERPRINT" ]; then
          echo -e "${BOLD}${PURPLE}found newer cache! downloading cache...${RESET}"
          {{ .TASK }} download-test-fixture-cache
        else
          echo -e "${BOLD}${PURPLE}found different cache, but isn't clear if it's newer (skipping cache download and manually building)${RESET}"
        
          {{ .YQ }} eval '.paths[] | "\(.digest) \(.path)"' {{ .LAST_CACHE_PULL_FILE }} > .tmp/last_cache_lines
          {{ .YQ }} eval '.paths[] | "\(.digest) \(.path)"' {{ .CACHE_PATHS_FILE }} > .tmp/cache_lines
          diff .tmp/last_cache_lines .tmp/cache_lines || true
        
          echo -e "${BOLD}${PURPLE}diff with more context...${RESET}"
        
          diff -U10000 {{ .LAST_CACHE_PULL_FILE }} {{ .CACHE_PATHS_FILE }} || true
        
          echo -e "${BOLD}${PURPLE}detected changes to input material, manually building fixtures...${RESET}"
        
          {{ .TASK }} build-fixtures
        fi

  build-fixtures:
    desc: Generate all non-docker test fixtures
    silent: true
    # this will look for `test-fixtures/Makefile` and invoke the `fixtures` target to generate any and all test fixtures
    cmds:
      - |
        BOLD='\033[1m'
        YELLOW='\033[0;33m'
        RESET='\033[0m'
        
        # Use a for loop with command substitution to avoid subshell issues
        for dir in $(find . -type d -name 'test-fixtures'); do
          if [ -f "$dir/Makefile" ]; then
            echo -e "${YELLOW}${BOLD}generating fixtures in $dir${RESET}"
            (make -C "$dir" fixtures)
          fi
        done
        echo -e "${BOLD}generated all fixtures${RESET}"

  download-test-fixture-cache:
    desc: Download test fixture cache from ghcr.io
    deps: [tools, clean-cache]
    vars:
      CACHE_DIGEST:
        sh: docker manifest inspect {{ .CACHE_IMAGE }} | {{ .YQ }} -r '.annotations.fingerprint'
    cmds:
      - silent: true
        cmd: |
          # if oras cache is > 4 GB, delete it
          if [ -d {{ .ORAS_CACHE }} ]; then
            total_size=$(du -c {{ .ORAS_CACHE }} | grep total | awk '{print $1}')
            if [ "$total_size" -gt 4194304 ]; then
              echo 'deleting oras cache'
              rm -rf {{ .ORAS_CACHE }}
            fi
          fi
      - "ORAS_CACHE={{ .ORAS_CACHE }} {{ .ORAS }} pull {{ .CACHE_IMAGE }}"
      - "cp {{ .CACHE_PATHS_FILE }} {{ .LAST_CACHE_PULL_FILE }}"

  upload-test-fixture-cache:
    desc: Upload the test fixture cache to ghcr.io
    deps: [tools, fingerprints]
    silent: true
    cmd: |
      set -eu
      oras_command="{{ .ORAS }} push {{ .CACHE_IMAGE }}"

      paths=$(cat {{ .CACHE_PATHS_FILE }} | {{ .YQ }} -r '.paths[].path')      
      for path in $paths; do
        oras_command+=" $path"
      done
      oras_command+=" {{ .CACHE_PATHS_FILE }}"
      
      oras_command+=" --annotation org.opencontainers.image.source=https://github.com/{{ .OWNER }}/{{ .PROJECT }}"
      oras_command+=" --annotation fingerprint=$(cat {{ .CACHE_PATHS_FILE }} | {{ .YQ }} -r '.digest')"
    
      echo "Executing: $oras_command"
      eval $oras_command

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

  check-docker-cache:
    desc: Ensure docker caches aren't using too much disk space
    silent: true
    cmd: |
      total_size=$(find . | grep cache | grep tar | xargs du -c | grep total | awk '{print $1}')
      find . | grep cache | grep tar | xargs du
      echo "total $total_size KB"
      
      if [ "$total_size" -gt 1048576 ]; then
        echo 'docker cache is larger than 1GB'
        exit 1
      fi

  ## install.sh testing targets #################################

  install-test:
    cmds:
      - "cd test/install && make"

  install-test-cache-save:
    cmds:
      - "cd test/install && make save"

  install-test-cache-load:
    cmds:
      - "cd test/install && make load"

  install-test-ci-mac:
    cmds:
      - "cd test/install && make ci-test-mac"

  generate-compare-file:
    cmd: "go run ./cmd/syft {{ .COMPARE_TEST_IMAGE }} -o json > {{ .COMPARE_DIR }}/test-fixtures/acceptance-{{ .COMPARE_TEST_IMAGE }}.json"

  compare-mac:
    deps: [tmpdir]
    cmd: |
      {{ .COMPARE_DIR }}/mac.sh \
        {{ .SNAPSHOT_DIR }} \
        {{ .COMPARE_DIR }} \
        {{ .COMPARE_TEST_IMAGE }} \
        {{ .TMP_DIR }}

  compare-linux:
    cmds:
      - task: compare-test-deb-package-install
      - task: compare-test-rpm-package-install

  compare-test-deb-package-install:
    deps: [tmpdir]
    cmd: |
      {{ .COMPARE_DIR }}/deb.sh \
        {{ .SNAPSHOT_DIR }} \
        {{ .COMPARE_DIR }} \
        {{ .COMPARE_TEST_IMAGE }} \
        {{ .TMP_DIR }}

  compare-test-rpm-package-install:
    deps: [tmpdir]
    cmd: |
      {{ .COMPARE_DIR }}/rpm.sh \
        {{ .SNAPSHOT_DIR }} \
        {{ .COMPARE_DIR }} \
        {{ .COMPARE_TEST_IMAGE }} \
        {{ .TMP_DIR }}


  ## Code and data generation targets #################################

  generate:
    desc: Add data generation tasks
    cmds:
      - task: generate-json-schema
      - task: generate-license-list
      - task: generate-cpe-dictionary-index

  generate-json-schema:
    desc: Generate a new JSON schema
    cmds:
      - "cd syft/internal && go generate . && cd jsonschema && go run . && go fmt ../..."

  generate-license-list:
    desc: Generate an updated license processing code off of the latest available SPDX license list
    cmds:
      - "go generate ./internal/spdxlicense/..."
      - "gofmt -s -w ./internal/spdxlicense"

  generate-cpe-dictionary-index:
    desc: Generate the CPE index based off of the latest available CPE dictionary
    dir: "syft/pkg/cataloger/internal/cpegenerate/dictionary"
    cmds:
      - "go generate"


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

  build:
    desc: Build the project
    deps: [tools, tmpdir]
    generates:
      - "{{ .PROJECT }}"
    cmds:
      - silent: true
        cmd: |
          echo "dist: {{ .SNAPSHOT_DIR }}" > {{ .TMP_DIR }}/goreleaser.yaml
          cat .goreleaser.yaml >> {{ .TMP_DIR }}/goreleaser.yaml

      - "{{ .BUILD_CMD }}"

  snapshot:
    desc: Create a snapshot release
    aliases:
      - build
    deps: [tools, tmpdir]
    sources:
      - cmd/**/*.go
      - syft/**/*.go
      - internal/**/*.go
    method: checksum
    generates:
      - "{{ .SNAPSHOT_BIN }}"
    cmds:
      - silent: true
        cmd: |
          echo "dist: {{ .SNAPSHOT_DIR }}" > {{ .TMP_DIR }}/goreleaser.yaml
          cat .goreleaser.yaml >> {{ .TMP_DIR }}/goreleaser.yaml

      - "{{ .SNAPSHOT_CMD }}"

  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?"
    cmds:
      - cmd: .github/scripts/ci-check.sh
        silent: true

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

  ci-release-version-file:
    # desc: "[CI only] Update the version file"
    deps: [tools]
    cmds:
      - task: ci-check
      - ".github/scripts/update-version-file.sh {{ .RELEASE_VERSION }}"
    requires:
      vars:
        - RELEASE_VERSION


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

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

  clean-docker-cache:
    desc: Remove all docker cache tars and images from the daemon
    cmds:
      - find . -type d -wholename "**/test-fixtures/cache" | xargs rm -rf
      - docker images --format '{{`{{.ID}}`}} {{`{{.Repository}}`}}' | grep stereoscope-fixture- | awk '{print $1}' | uniq | xargs -r docker rmi --force

  clean-oras-cache:
    desc: Remove all cache for oras commands
    cmd: rm -rf {{ .ORAS_CACHE }}

  clean-cache:
    desc: Remove all image docker tar cache, images from the docker daemon, and ephemeral test fixtures
    cmds:
      - task: clean-docker-cache
      - |
        BOLD='\033[1m'
        YELLOW='\033[0;33m'
        RESET='\033[0m'
        
        # Use a for loop with command substitution to avoid subshell issues
        for dir in $(find . -type d -name 'test-fixtures'); do
        if [ -f "$dir/Makefile" ]; then
          echo -e "${YELLOW}${BOLD}deleting ephemeral test fixtures in $dir${RESET}"
          (make -C "$dir" clean)
        fi
        done
        echo -e "${BOLD}Deleted all ephemeral test fixtures${RESET}"
      - rm -f {{ .LAST_CACHE_PULL_FILE }} {{ .CACHE_PATHS_FILE }}