Add Specification#platform.

Rakefile

@@ -65,6 +65,15 @@ namespace :spec do
   task :all do
     sh "macbacon -a"
   end
+
+  desc "Rebuild all the fixture tarballs"
+  task :rebuild_fixture_tarballs do
+    tarballs = FileList['spec/fixtures/**/*.tar.gz']
+    tarballs.each do |tarball|
+      basename = File.basename(tarball)
+      sh "cd #{File.dirname(tarball)} && rm #{basename} && tar -zcf #{basename} #{basename[0..-8]}"
+    end
+  end
 end
 
 desc "Run all specs"

TODO

-* Check exit statuses of commands performed and raise when necessary.
+* The user *has* to specify the platform of the project in the Podfile.
+* Based on the platform setting of the Podfile the appropriate xcode project template should be used.

lib/cocoapods/specification.rb

@@ -115,6 +115,8 @@ module Pod
       flags
     end
 
+    attr_accessor :platform
+
     # Not attributes
 
     include Config::Mixin
@@ -163,6 +165,10 @@ module Pod
       @name.nil? && @version.nil?
     end
 
+    def any_platform?
+      @platform.nil?
+    end
+
     # Returns all source files of this pod including header files.
     def expanded_source_files
       files = []
@@ -227,18 +233,24 @@ module Pod
     end
 
     def validate!
-      attrs = []
-      attrs << "`name'"                       unless @name
-      attrs << "`version'"                    unless @version
-      attrs << "`summary'"                    unless @summary
-      attrs << "`homepage'"                   unless @homepage
-      attrs << "`author(s)'"                  unless @authors
-      attrs << "either `source' or `part_of'" unless @source || @part_of
-      attrs << "`source_files'"               unless @source_files
-      unless attrs.empty?
-        raise Informative, "The following required " \
-          "#{attrs.size == 1 ? 'attribute is' : 'attributes are'} " \
-          "missing: #{attrs.join(", ")}"
+      missing = []
+      missing << "`name'"                       unless @name
+      missing << "`version'"                    unless @version
+      missing << "`summary'"                    unless @summary
+      missing << "`homepage'"                   unless @homepage
+      missing << "`author(s)'"                  unless @authors
+      missing << "either `source' or `part_of'" unless @source || @part_of
+      missing << "`source_files'"               unless @source_files
+
+      incorrect = []
+      allowed = [nil, :ios, :osx]
+      incorrect << ["`platform'", allowed] unless allowed.include?(@platform)
+
+      unless missing.empty? && incorrect.empty?
+        message = "The following #{(missing + incorrect).size == 1 ? 'attribute is' : 'attributes are'}:\n"
+        message << "* missing: #{missing.join(", ")}" unless missing.empty?
+        message << "* incorrect: #{incorrect.map { |x| "#{x[0]} (#{x[1..-1]})" }.join(", ")}" unless incorrect.empty?
+        raise Informative, message
       end
     end
 

spec/unit/specification_spec.rb

@@ -131,6 +131,7 @@ describe "A Pod::Specification loaded from a podspec" do
     @spec.compiler_flags = "-Wunused-value"
     @spec.compiler_flags.should == "-Wunused-value -fobj-arc"
   end
+
 end
 
 describe "A Pod::Specification that's part of another pod's source" do
@@ -256,10 +257,33 @@ describe "A Pod::Specification, with installed source," do
 end
 
 describe "A Pod::Specification, in general," do
+  before do
+    @spec = Pod::Spec.new
+  end
+
+  def validate(&block)
+    Proc.new(&block).should.raise(Pod::Informative)
+  end
+
   it "raises if the specification does not contain the minimum required attributes" do
-    exception = lambda {
-      Pod::Spec.new.validate!
-    }.should.raise Pod::Informative
+    exception = validate { @spec.validate! }
     exception.message =~ /name.+?version.+?summary.+?homepage.+?authors.+?(source|part_of).+?source_files/
   end
+
+  it "raises if the platform is unrecognized" do
+    validate { @spec.validate! }.message.should.not.include 'platform'
+    @spec.platform = :ios
+    validate { @spec.validate! }.message.should.not.include 'platform'
+    @spec.platform = :osx
+    validate { @spec.validate! }.message.should.not.include 'platform'
+    @spec.platform = :windows
+    validate { @spec.validate! }.message.should.include 'platform'
+ end
+
+  it "returns the platform that the static library should be build for" do
+    @spec.should.be.any_platform
+    @spec.platform = :ios
+    @spec.platform.should == :ios
+    @spec.should.not.be.any_platform
+  end
 end