Added Cake support

.devcontainer/devcontainer.json

@@ -22,7 +22,11 @@
     "-v", "${localWorkspaceFolder}/bundler/Gemfile:/home/dependabot/dependabot-core/bundler/Gemfile",
     "-v", "${localWorkspaceFolder}/bundler/lib:/home/dependabot/dependabot-core/bundler/lib",
     "-v", "${localWorkspaceFolder}/bundler/spec:/home/dependabot/dependabot-core/bundler/spec",
-    "-v", "${localWorkspaceFolder}/cargo/dependabot-cargo.gemspec:/home/dependabot/dependabot-core/cargo/dependabot-cargo.gemspec",
+    "-v", "${localWorkspaceFolder}/cake/dependabot-cake.gemspec:/home/dependabot/dependabot-core/cake/dependabot-cake.gemspec",
+    "-v", "${localWorkspaceFolder}/cake/Gemfile:/home/dependabot/dependabot-core/cake/Gemfile",
+    "-v", "${localWorkspaceFolder}/cake/lib:/home/dependabot/dependabot-core/cake/lib",
+    "-v", "${localWorkspaceFolder}/cake/spec:/home/dependabot/dependabot-core/cake/spec",
+    "-v", "${localWorkspaceFolder}/cargo/dependabot-cargo.gemspec:/home/dependabot/dependabot-core/cargo/dependabot-core.gemspec",
     "-v", "${localWorkspaceFolder}/cargo/Gemfile:/home/dependabot/dependabot-core/cargo/Gemfile",
     "-v", "${localWorkspaceFolder}/cargo/lib:/home/dependabot/dependabot-core/cargo/lib",
     "-v", "${localWorkspaceFolder}/cargo/spec:/home/dependabot/dependabot-core/cargo/spec",

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.github/workflows/ci.yml

@@ -22,6 +22,7 @@ jobs:
         suite:
         - { path: bundler, name: bundler1 }
         - { path: bundler, name: bundler2 }
+        - { path: cake, name: cake }
         - { path: cargo, name: cargo }
         - { path: common, name: common }
         - { path: composer, name: composer }

.vscode/launch.json

@@ -72,6 +72,7 @@
       "description": "What type of package manager do you want to debug?",
       "options": [
         "bundler",
+        "cake",
         "cargo",
         "composer",
         "dep",

Dockerfile.ci

@@ -17,6 +17,7 @@ COPY --chown=dependabot:dependabot docker ${CODE_DIR}/docker
 COPY --chown=dependabot:dependabot nuget ${CODE_DIR}/nuget
 COPY --chown=dependabot:dependabot maven ${CODE_DIR}/maven
 COPY --chown=dependabot:dependabot gradle ${CODE_DIR}/gradle
+COPY --chown=dependabot:dependabot cake ${CODE_DIR}/cake
 COPY --chown=dependabot:dependabot cargo ${CODE_DIR}/cargo
 COPY --chown=dependabot:dependabot composer ${CODE_DIR}/composer
 COPY --chown=dependabot:dependabot go_modules ${CODE_DIR}/go_modules

Dockerfile.development

@@ -21,6 +21,7 @@ RUN cd common \
   && bundle install
 
 COPY --chown=dependabot:dependabot bundler/Gemfile bundler/dependabot-bundler.gemspec ${CODE_DIR}/bundler/
+COPY --chown=dependabot:dependabot cake/Gemfile cake/dependabot-cake.gemspec ${CODE_DIR}/cake/
 COPY --chown=dependabot:dependabot cargo/Gemfile cargo/dependabot-cargo.gemspec ${CODE_DIR}/cargo/
 COPY --chown=dependabot:dependabot composer/Gemfile composer/dependabot-composer.gemspec ${CODE_DIR}/composer/
 COPY --chown=dependabot:dependabot docker/Gemfile docker/dependabot-docker.gemspec ${CODE_DIR}/docker/

Rakefile

@@ -19,6 +19,7 @@ GEMSPECS = %w(
   git_submodules/dependabot-git_submodules.gemspec
   github_actions/dependabot-github_actions.gemspec
   nuget/dependabot-nuget.gemspec
+  cake/dependabot-cake.gemspec
   gradle/dependabot-gradle.gemspec
   maven/dependabot-maven.gemspec
   bundler/dependabot-bundler.gemspec

bin/docker-dev-shell

@@ -147,8 +147,10 @@ docker run --rm -ti \
   -v "$(pwd)/nuget/dependabot-nuget.gemspec:$CODE_DIR/nuget/dependabot-nuget.gemspec" \
   -v "$(pwd)/nuget/lib:$CODE_DIR/nuget/lib" \
   -v "$(pwd)/nuget/spec:$CODE_DIR/nuget/spec" \
-  -v "$(pwd)/nuget/script:$CODE_DIR/nuget/script" \
-  -v "$(pwd)/maven/.rubocop.yml:$CODE_DIR/maven/.rubocop.yml" \
+  -v "$(pwd)/cake/Gemfile:$CODE_DIR/cake/Gemfile" \
+  -v "$(pwd)/cake/dependabot-cake.gemspec:$CODE_DIR/cake/dependabot-cake.gemspec" \
+  -v "$(pwd)/cake/lib:$CODE_DIR/cake/lib" \
+  -v "$(pwd)/cake/spec:$CODE_DIR/cake/spec" \
   -v "$(pwd)/maven/Gemfile:$CODE_DIR/maven/Gemfile" \
   -v "$(pwd)/maven/dependabot-maven.gemspec:$CODE_DIR/maven/dependabot-maven.gemspec" \
   -v "$(pwd)/maven/lib:$CODE_DIR/maven/lib" \

bin/dry-run.rb

@@ -19,6 +19,7 @@
 #
 # Package managers:
 # - bundler
+# - cake
 # - pip (includes pipenv)
 # - npm_and_yarn
 # - maven
@@ -46,6 +47,7 @@
 end
 
 $LOAD_PATH << "./bundler/lib"
+$LOAD_PATH << "./cake/lib"
 $LOAD_PATH << "./cargo/lib"
 $LOAD_PATH << "./common/lib"
 $LOAD_PATH << "./composer/lib"
@@ -83,6 +85,7 @@
 require "dependabot/config/file_fetcher"
 
 require "dependabot/bundler"
+require "dependabot/cake"
 require "dependabot/cargo"
 require "dependabot/composer"
 require "dependabot/docker"

cake/.gitignore

@@ -0,0 +1,5 @@
+/.bundle/
+/.env
+/tmp
+/dependabot-*.gem
+Gemfile.lock

cake/Gemfile

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem "dependabot-common", path: "../common"
+gem "dependabot-nuget", path: "../nuget"
+
+gemspec

cake/README.md

@@ -0,0 +1,17 @@
+## `dependabot-cake`
+
+Cake support for [`dependabot-core`][core-repo].
+
+### Running locally
+
+1. Install Ruby dependencies
+   ```
+   $ bundle install
+   ```
+
+2. Run tests
+   ```
+   $ bundle exec rspec spec
+   ```
+
+[core-repo]: https://github.com/dependabot/dependabot-core

cake/dependabot-cake.gemspec

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+Gem::Specification.new do |spec|
+  common_gemspec =
+    Bundler.load_gemspec_uncached("../common/dependabot-common.gemspec")
+
+  spec.name         = "dependabot-cake"
+  spec.summary      = ".NET (Cake) support for dependabot"
+  spec.version      = common_gemspec.version
+  spec.description  = common_gemspec.description
+
+  spec.author       = common_gemspec.author
+  spec.email        = common_gemspec.email
+  spec.homepage     = common_gemspec.homepage
+  spec.license      = common_gemspec.license
+
+  spec.require_path = "lib"
+  spec.files        = Dir["lib/**/*"]
+
+  spec.add_dependency "inifile", "~> 3.0"
+
+  spec.required_ruby_version = common_gemspec.required_ruby_version
+  spec.required_rubygems_version = common_gemspec.required_ruby_version
+
+  spec.add_dependency "dependabot-common", Dependabot::VERSION
+
+  common_gemspec.development_dependencies.each do |dep|
+    spec.add_development_dependency dep.name, dep.requirement.to_s
+  end
+end

cake/lib/dependabot/cake.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+# These all need to be required so the various classes can be registered in a
+# lookup table of package manager names to concrete classes.
+require "dependabot/cake/file_fetcher"
+require "dependabot/cake/file_parser"
+require "dependabot/cake/update_checker"
+require "dependabot/cake/file_updater"
+require "dependabot/cake/metadata_finder"
+require "dependabot/cake/version"
+require "dependabot/cake/requirement"
+
+require "dependabot/pull_request_creator/labeler"
+Dependabot::PullRequestCreator::Labeler.
+  register_label_details("cake", name: "cake", colour: "7121c6")
+
+require "dependabot/dependency"
+Dependabot::Dependency.register_production_check("cake", ->(_) { true })

cake/lib/dependabot/cake/directives.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+require_relative "directives/addin_directive"
+require_relative "directives/load_directive"
+require_relative "directives/module_directive"
+require_relative "directives/tool_directive"

cake/lib/dependabot/cake/directives/addin_directive.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require_relative "directives"
+require_relative "base_directive"
+
+module Dependabot
+  module Cake
+    module Directives
+      class AddInDirective < Dependabot::Cake::Directives::BaseDirective
+        def initialize(line)
+          @type = "addin"
+          super(line)
+        end
+
+        private
+
+        def default_scheme
+          "nuget"
+        end
+      end
+    end
+  end
+end
+
+# rubocop:disable Layout/LineLength
+Dependabot::Cake::Directives.register("addin", Dependabot::Cake::Directives::AddInDirective)
+# rubocop:enable Layout/LineLength

cake/lib/dependabot/cake/directives/base_directive.rb

@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+require_relative "directives"
+
+module Dependabot
+  module Cake
+    module Directives
+      class BaseDirective
+        SCHEME    = /(?<scheme>[^:]{2,}:)/i.freeze
+        URL       = /(?<url>[^?]+)?/.freeze
+        QUERY     = /[?](?<query>.*)/.freeze
+        CONTEXT   = /#{SCHEME}#{URL}#{QUERY}/.freeze
+
+        def initialize(line)
+          line = "#{default_scheme}:?path=#{line}" if line !~ SCHEME
+
+          parsed_from_line = CONTEXT.match(line).named_captures
+          @scheme = parsed_from_line.fetch("scheme").chomp(":")
+          @url = parsed_from_line.fetch("url")
+          @query = query_string_to_hash(parsed_from_line.fetch("query"))
+        end
+
+        def to_h
+          {
+            type: @type,
+            scheme: @scheme,
+            url: @url,
+            query: @query
+          }
+        end
+
+        attr_reader :type, :scheme, :url, :query
+
+        private
+
+        def default_scheme
+          raise NotImplementedError
+        end
+
+        def query_string_to_hash(query_string)
+          query_params = {}
+
+          # skip empty params
+          query_string&.split("&")&.each do |param|
+            next if param.empty?
+
+            name, value = param.split("=")
+            value ||= true
+
+            query_params[name.downcase.to_sym] = value
+          end
+          query_params
+        end
+      end
+    end
+  end
+end

cake/lib/dependabot/cake/directives/directives.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+module Dependabot
+  module Cake
+    module Directives
+      # Details of Cake preprocessor directives is at
+      # https://cakebuild.net/docs/fundamentals/preprocessor-directives
+      DIRECTIVE = /#(?<directive>addin|l|load|module|tool)/i.freeze
+      CONTEXT   = /(?<context>[^"]+)/.freeze
+      DIRECTIVE_LINE = /^#{DIRECTIVE}\s+"?#{CONTEXT}"?/.freeze
+
+      @cake_directives = {}
+
+      def self.for_cake_directive(directive)
+        cake_directive = @cake_directives[directive.downcase]
+        return cake_directive if cake_directive
+
+        raise "Unsupported directive #{directive}"
+      end
+
+      def self.register(directive, cake_directive)
+        @cake_directives[directive.downcase] = cake_directive
+      end
+
+      def self.parse_cake_directive_from(line)
+        return nil unless Directives::DIRECTIVE_LINE.match?(line)
+
+        parsed_from_line = Directives::DIRECTIVE_LINE.match(line.chomp).
+                           named_captures
+        directive = Directives.
+                    for_cake_directive(parsed_from_line.fetch("directive")).
+                    new(parsed_from_line.fetch("context"))
+        directive
+      end
+    end
+  end
+end

cake/lib/dependabot/cake/directives/load_directive.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require_relative "directives"
+require_relative "base_directive"
+
+module Dependabot
+  module Cake
+    module Directives
+      class LoadDirective < Dependabot::Cake::Directives::BaseDirective
+        def initialize(line)
+          @type = "load"
+          super(line)
+        end
+
+        private
+
+        def default_scheme
+          "local"
+        end
+      end
+    end
+  end
+end
+
+# rubocop:disable Layout/LineLength
+Dependabot::Cake::Directives.register("load", Dependabot::Cake::Directives::LoadDirective)
+Dependabot::Cake::Directives.register("l", Dependabot::Cake::Directives::LoadDirective)
+# rubocop:enable Layout/LineLength

cake/lib/dependabot/cake/directives/module_directive.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require_relative "directives"
+require_relative "base_directive"
+
+module Dependabot
+  module Cake
+    module Directives
+      class ModuleDirective < Dependabot::Cake::Directives::BaseDirective
+        def initialize(line)
+          @type = "module"
+          super(line)
+        end
+
+        private
+
+        def default_scheme
+          "nuget"
+        end
+      end
+    end
+  end
+end
+
+# rubocop:disable Layout/LineLength
+Dependabot::Cake::Directives.register("module", Dependabot::Cake::Directives::ModuleDirective)
+# rubocop:enable Layout/LineLength

cake/lib/dependabot/cake/directives/tool_directive.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require_relative "directives"
+require_relative "base_directive"
+
+module Dependabot
+  module Cake
+    module Directives
+      class ToolDirective < Dependabot::Cake::Directives::BaseDirective
+        def initialize(line)
+          @type = "tool"
+          super(line)
+        end
+
+        private
+
+        def default_scheme
+          "nuget"
+        end
+      end
+    end
+  end
+end
+
+# rubocop:disable Layout/LineLength
+Dependabot::Cake::Directives.register("tool", Dependabot::Cake::Directives::ToolDirective)
+# rubocop:enable Layout/LineLength