add SingleSource - a source that is actually a pod repo

Author: igor-makarov

lib/cocoapods-core.rb

@@ -28,6 +28,7 @@ class Informative < PlainInformative; end
   autoload :Podfile,        'cocoapods-core/podfile'
   autoload :Source,         'cocoapods-core/source'
   autoload :CDNSource,      'cocoapods-core/cdn_source'
+  autoload :SingleSource,   'cocoapods-core/single_source'
   autoload :TrunkSource,    'cocoapods-core/trunk_source'
   autoload :Specification,  'cocoapods-core/specification'
   autoload :StandardError,  'cocoapods-core/standard_error'

lib/cocoapods-core/single_source.rb

@@ -0,0 +1,196 @@
+require 'cocoapods-core/source/acceptor'
+require 'cocoapods-core/source/aggregate'
+require 'cocoapods-core/source/health_reporter'
+require 'cocoapods-core/source/manager'
+require 'cocoapods-core/source/metadata'
+
+module Pod
+  # The Source class is responsible to manage a collection of podspecs.
+  #
+  # The backing store of the podspecs collection is an implementation detail
+  # abstracted from the rest of CocoaPods.
+  #
+  # The default implementation uses a git repo as a backing store, where the
+  # podspecs are namespaced as:
+  #
+  #     "#{SPEC_NAME}/#{VERSION}/#{SPEC_NAME}.podspec"
+  #
+  class SingleSource < Source
+    # @param  [Pathname, String] repo @see #repo.
+    #
+    def initialize(repo)
+      super(repo)
+      spec_paths
+    end
+
+    private 
+
+    def raw_versions
+      @version_tags ||= repo_git(%w(tag)).split(/\s+/).map do |v|
+        version = Version.new(v) 
+      rescue ArgumentError
+      end.compact
+    end
+
+    def process_podspec(path, output_path)
+      spec = Specification.from_file(path)
+      File.open(output_path, 'w') { |f| f.write(spec.to_pretty_json) }
+      output_path
+    end
+
+    def preload_podspecs_at_version(version)
+      version_dir = repo.join('.git', '.specs', version.to_s)
+      if version_dir.exist?
+        Pathname.glob(version_dir.join('*'))
+      else
+        repo_git(['checkout', version.to_s])
+        version_dir.mkpath
+        Pathname.glob(repo.join('*.podspec')).map do |podspec_path|
+          name = podspec_path.basename('.podspec')
+          process_podspec(podspec_path, version_dir.join("#{name}.podspec.json"))
+        end.compact
+      end
+    end
+
+    def spec_paths
+      raw_versions.map do |version|
+        preload_podspecs_at_version(version)
+      end.flatten
+    end
+  
+    public
+
+    # @!group Querying the source
+    #-------------------------------------------------------------------------#
+
+    # @return [Array<String>] the list of the name of all the Pods.
+    #
+    #
+    def pods
+      spec_paths.map do |spec_path|
+        spec_path.basename('.podspec.json').to_s
+      end.flatten.uniq.sort
+    end
+
+    # @return [Array<Version>] all the available versions for the Pod, sorted
+    #         from highest to lowest.
+    #
+    # @param  [String] name
+    #         the name of the Pod.
+    #
+    def versions(name)
+      return nil unless pods.include?(name)
+      @versions_by_name[name] ||= raw_versions.map do |version|
+        if specification_path(name, version) 
+          version 
+        else 
+          nil
+        end
+      end.compact.sort.reverse
+    end
+
+    # Returns the path of the specification with the given name and version.
+    #
+    # @param  [String] name
+    #         the name of the Pod.
+    #
+    # @param  [Version,String] version
+    #         the version for the specification.
+    #
+    # @return [Pathname] The path of the specification.
+    #
+    def specification_path(name, version)
+      raise ArgumentError, 'No name' unless name
+      raise ArgumentError, 'No version' unless version
+
+      preload_podspecs_at_version(version)
+
+      path = repo.join('.git', '.specs', version.to_s, "#{name}.podspec.json")
+
+      return nil unless path.exist?
+
+      path
+    end
+
+    # @return [Array<Specification>] all the specifications contained by the
+    #         source.
+    #
+    def all_specs
+      specs = spec_paths.map do |path|
+        begin
+          Specification.from_file(path)
+        rescue
+          CoreUI.warn "Skipping `#{path.relative_path_from(repo)}` because the " \
+                      'podspec contains errors.'
+          next
+        end
+      end
+      specs.compact
+    end
+ 
+
+    # @!group Searching the source
+    #-------------------------------------------------------------------------#
+
+    # @return [Set] a set for a given dependency. The set is identified by the
+    #               name of the dependency and takes into account subspecs.
+    #
+    # @note   This method is optimized for fast lookups by name, i.e. it does
+    #         *not* require iterating through {#pod_sets}
+    #
+    # @todo   Rename to #load_set
+    #
+    def search(query)
+      if query.is_a?(Dependency)
+        query = query.root_name
+      end
+
+      if (versions = versions(query)) && !versions.empty?
+        set = set(query)
+        return set if set.specification_name == query
+      end
+    end
+
+    # @return [Array<Set>] The list of the sets that contain the search term.
+    #
+    # @param  [String] query
+    #         the search term. Can be a regular expression.
+    #
+    # @param  [Bool] full_text_search
+    #         whether the search should be limited to the name of the Pod or
+    #         should include also the author, the summary, and the description.
+    #
+    # @note   full text search requires to load the specification for each pod,
+    #         hence is considerably slower.
+    #
+    # @todo   Rename to #search
+    #
+    def search_by_name(query, full_text_search = false)
+      regexp_query = /#{query}/i
+      
+      names = pods.grep(regexp_query)
+      names.map { |pod_name| set(pod_name) }
+    end
+
+    # @!group Updating the source
+    #-------------------------------------------------------------------------#
+
+    # Updates the local clone of the source repo.
+    #
+    # @param  [Bool] show_output
+    #
+    # @return  [Array<String>] changed_spec_paths
+    #          Returns the list of changed spec paths.
+    #
+    def update(show_output)
+      result = super(show_output)
+      repo.join('.git', '.specs').rmtree if repo.join('.git', '.specs').exist?
+      all_specs
+      result
+    end
+
+    def verify_compatibility!
+    end
+
+  end
+end

lib/cocoapods-core/source/manager.rb

@@ -315,7 +315,10 @@ def source_from_path(path)
                         TrunkSource.new(key)
                       when (key + '.url').exist?
                         CDNSource.new(key)
+                      when key.join('.git', '.specs').exist? || Dir[key.join('*.podspec')].count > 0
+                        SingleSource.new(key)
                       else
+                        require 'pry'; binding.pry
                         Source.new(key)
                       end
         end