Add search command which finds pods who's name matches.

lib/cocoapods/command.rb

@@ -2,6 +2,7 @@ module Pod
   class Command
     autoload :Install, 'cocoapods/command/install'
     autoload :Repo,    'cocoapods/command/repo'
+    autoload :Search,  'cocoapods/command/search'
     autoload :Setup,   'cocoapods/command/setup'
     autoload :Spec,    'cocoapods/command/spec'
 
@@ -33,6 +34,7 @@ module Pod
       "To see help for the available commands run:\n" \
       "\n" \
       "  * $ pod setup --help\n" \
+      "  * $ pod search --help\n" \
       "  * $ pod install --help\n" \
       "  * $ pod repo --help"
     end
@@ -68,6 +70,7 @@ module Pod
       command_class = case argv.shift_argument
       when 'install' then Install
       when 'repo'    then Repo
+      when 'search'  then Search
       when 'setup'   then Setup
       when 'spec'    then Spec
       end

lib/cocoapods/command/search.rb

+module Pod
+  class Command
+    class Search < Command
+      def initialize(argv)
+        unless @query = argv.arguments.first
+          super
+        end
+      end
+
+      def run
+        Source.search_by_name(@query.strip).each do |set|
+          puts "#{set.name} (#{set.versions.reverse.join(", ")})"
+        end
+      end
+    end
+  end
+end

lib/cocoapods/source.rb

@@ -16,6 +16,14 @@ module Pod
         raise(Informative, "Unable to find a pod named `#{dependency.name}'")
     end
 
+    def self.search_by_name(query)
+      result = all.map { |source| source.search_by_name(query) }.flatten
+      if result.empty?
+        raise(Informative, "Unable to find a pod who's name matches `#{query}'")
+      end
+      result
+    end
+
     attr_reader :repo
 
     def initialize(repo)
@@ -27,5 +35,12 @@ module Pod
         Specification::Set.by_pod_dir(dir)
       end
     end
+
+    def search_by_name(query)
+      dirs = @repo.children.select do |child|
+        child.basename.to_s.downcase.include?(query.downcase)
+      end
+      dirs.map { |dir| Specification::Set.by_pod_dir(dir) }
+    end
   end
 end

spec/functional/command_spec.rb

@@ -37,4 +37,40 @@ describe "Pod::Command" do
     (repo2.dir + 'README').read.should.include 'Added!'
     (repo3.dir + 'README').read.should.include 'Added!'
   end
+
+  before do
+    config.repos_dir = fixture('spec-repos')
+  end
+
+  after do
+    config.repos_dir = tmp_repos_path
+  end
+
+  it "searches for a pod who's name matches the given query ignoring case" do
+    [
+      [
+        ' s ',
+        [
+          "ASIHTTPRequest (1.8, 1.8.1)",
+          "ASIWebPageRequest (1.8, 1.8.1)",
+          "JSONKit (1.4)",
+          "SSZipArchive (1.0)"
+        ]
+      ],
+      [
+        'json',
+        [
+          "JSONKit (1.4)"
+        ]
+      ]
+    ].each do |query, result|
+      command = Pod::Command.parse('search', query)
+      def command.puts(msg)
+        (@printed ||= []) << msg
+      end
+      command.run
+      printed = command.instance_variable_get(:@printed)
+      printed.should == result.sort
+    end
+  end
 end