Port Homebrew::DevCmd::GenerateCaskApi

Library/Homebrew/dev-cmd/generate-cask-api.rb

@@ -1,82 +1,83 @@
 # typed: true
 # frozen_string_literal: true
 
+require "abstract_command"
 require "cli/parser"
 require "cask/cask"
 require "formula"
 
 module Homebrew
-  module_function
+  module DevCmd
-
+    class GenerateCaskApi < AbstractCommand
-  sig { returns(CLI::Parser) }
+      CASK_JSON_TEMPLATE = <<~EOS
-  def generate_cask_api_args
+        ---
-    Homebrew::CLI::Parser.new do
+        layout: cask_json
-      description <<~EOS
+        ---
-        Generate `homebrew/cask` API data files for <#{HOMEBREW_API_WWW}>.
+        {{ content }}
-        The generated files are written to the current directory.
       EOS
 
-      switch "-n", "--dry-run", description: "Generate API data without writing it to files."
+      cmd_args do
+        description <<~EOS
+          Generate `homebrew/cask` API data files for <#{HOMEBREW_API_WWW}>.
+          The generated files are written to the current directory.
+        EOS
 
-      named_args :none
+        switch "-n", "--dry-run", description: "Generate API data without writing it to files."
-    end
-  end
 
-  CASK_JSON_TEMPLATE = <<~EOS
+        named_args :none
-    ---
-    layout: cask_json
-    ---
-    {{ content }}
-  EOS
-
-  def html_template(title)
-    <<~EOS
-      ---
-      title: #{title}
-      layout: cask
-      ---
-      {{ content }}
-    EOS
-  end
-
-  def generate_cask_api
-    args = generate_cask_api_args.parse
-
-    tap = CoreCaskTap.instance
-    raise TapUnavailableError, tap.name unless tap.installed?
-
-    unless args.dry_run?
-      directories = ["_data/cask", "api/cask", "api/cask-source", "cask", "api/internal/v3"].freeze
-      FileUtils.rm_rf directories
-      FileUtils.mkdir_p directories
-    end
-
-    Homebrew.with_no_api_env do
-      tap_migrations_json = JSON.dump(tap.tap_migrations)
-      File.write("api/cask_tap_migrations.json", tap_migrations_json) unless args.dry_run?
-
-      Cask::Cask.generating_hash!
-
-      tap.cask_files.each do |path|
-        cask = Cask::CaskLoader.load(path)
-        name = cask.token
-        json = JSON.pretty_generate(cask.to_hash_with_variations)
-        cask_source = path.read
-        html_template_name = html_template(name)
-
-        unless args.dry_run?
-          File.write("_data/cask/#{name}.json", "#{json}\n")
-          File.write("api/cask/#{name}.json", CASK_JSON_TEMPLATE)
-          File.write("api/cask-source/#{name}.rb", cask_source)
-          File.write("cask/#{name}.html", html_template_name)
-        end
-      rescue
-        onoe "Error while generating data for cask '#{path.stem}'."
-        raise
       end
 
-      homebrew_cask_tap_json = JSON.generate(tap.to_internal_api_hash)
+      sig { override.void }
-      File.write("api/internal/v3/homebrew-cask.json", homebrew_cask_tap_json) unless args.dry_run?
+      def run
+        tap = CoreCaskTap.instance
+        raise TapUnavailableError, tap.name unless tap.installed?
+
+        unless args.dry_run?
+          directories = ["_data/cask", "api/cask", "api/cask-source", "cask", "api/internal/v3"].freeze
+          FileUtils.rm_rf directories
+          FileUtils.mkdir_p directories
+        end
+
+        Homebrew.with_no_api_env do
+          tap_migrations_json = JSON.dump(tap.tap_migrations)
+          File.write("api/cask_tap_migrations.json", tap_migrations_json) unless args.dry_run?
+
+          Cask::Cask.generating_hash!
+
+          tap.cask_files.each do |path|
+            cask = Cask::CaskLoader.load(path)
+            name = cask.token
+            json = JSON.pretty_generate(cask.to_hash_with_variations)
+            cask_source = path.read
+            html_template_name = html_template(name)
+
+            unless args.dry_run?
+              File.write("_data/cask/#{name}.json", "#{json}\n")
+              File.write("api/cask/#{name}.json", CASK_JSON_TEMPLATE)
+              File.write("api/cask-source/#{name}.rb", cask_source)
+              File.write("cask/#{name}.html", html_template_name)
+            end
+          rescue
+            onoe "Error while generating data for cask '#{path.stem}'."
+            raise
+          end
+
+          homebrew_cask_tap_json = JSON.generate(tap.to_internal_api_hash)
+          File.write("api/internal/v3/homebrew-cask.json", homebrew_cask_tap_json) unless args.dry_run?
+        end
+      end
+
+      private
+
+      def html_template(title)
+        <<~EOS
+          ---
+          title: #{title}
+          layout: cask
+          ---
+          {{ content }}
+        EOS
+      end
     end
   end
 end

Library/Homebrew/test/dev-cmd/generate-cask-api_spec.rb

@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "dev-cmd/generate-cask-api"
 
-RSpec.describe "brew generate-cask-api" do
+RSpec.describe Homebrew::DevCmd::GenerateCaskApi do
   it_behaves_like "parseable arguments"
 end