Experimental support for bleeding version for git repos.

lib/cocoapods/dependency.rb

@@ -6,7 +6,8 @@ require 'open-uri'
 module Pod
   class Dependency < Gem::Dependency
 
-    attr_reader :external_source
+    attr_reader :external_source, :bleeding
+    alias :bleeding? :bleeding
     attr_accessor :specification
 
     def initialize(*name_and_version_requirements, &block)
@@ -18,6 +19,13 @@ module Pod
       elsif !name_and_version_requirements.empty? && block.nil?
         if name_and_version_requirements.last.is_a?(Hash)
           @external_source = ExternalSources.from_params(name_and_version_requirements[0].split('/').first, name_and_version_requirements.pop)
+        elsif name_and_version_requirements.last.is_a?(Symbol)
+          symbol = name_and_version_requirements.pop
+          if symbol == :bleeding
+            @bleeding = true
+          else
+            raise Informative, "Unrecognized symbol `#{symbol}' for dependency `#{name_and_version_requirements[0]}'"
+          end
         end
         super(*name_and_version_requirements)
 
@@ -68,7 +76,10 @@ module Pod
       elsif @version_requirements != Gem::Requirement.default
         version << @version_requirements.to_s
       end
-      version.empty? ? @name : "#{@name} (#{version})"
+      result = @name
+      result = result + " (#{version})" unless version.empty?
+      result = result + " [BLEEDING]" if bleeding?
+      result
     end
 
     def specification_from_sandbox(sandbox, platform)

lib/cocoapods/resolver.rb

@@ -65,6 +65,7 @@ module Pod
           @loaded_specs << spec.name
           @specs[spec.name] = spec
           spec.activate_platform(target_definition.platform)
+          spec.bleeding = dependency.bleeding?
           # And recursively load the dependencies of the spec.
           find_dependency_specs(spec, spec.dependencies, target_definition) if spec.dependencies
         end

lib/cocoapods/specification.rb

@@ -187,8 +187,14 @@ module Pod
 
     ### Top level attributes. These attributes represent the unique features of pod and can't be specified by subspecs.
 
+    # @!method bleeding
+    #
+    # @return [BOOL] returns wheter the specification is in bleeding mode.
+    #
+    top_attr_accessor :bleeding
+    alias_method :bleeding?, :bleeding
+
     top_attr_accessor :defined_in_file
-    top_attr_accessor :source
     top_attr_accessor :homepage
     top_attr_accessor :summary
     top_attr_accessor :documentation
@@ -198,6 +204,23 @@ module Pod
     top_attr_reader   :description,         lambda { |instance, ivar| ivar || instance.summary }
     top_attr_writer   :description,         lambda { |d| d.strip_heredoc }
 
+
+    # @!method source
+    #
+    # @abstract
+    #   Returns the source of the pod. If the specification is set in bleeding mode
+    #   and the source is a git repository the head of master will be returned.
+    #
+    top_attr_writer :source
+    top_attr_reader :source, lambda { |instance, ivar|
+      if instance.bleeding?
+        raise Informative, 'Bleeding is supported only for git repos' unless ivar[:git]
+        { :git => ivar[:git] }
+      else
+        ivar
+      end
+    }
+
     # @!method license
     #
     # @abstract
@@ -439,7 +462,9 @@ module Pod
     end
 
     def to_s
-      "#{name} (#{version})"
+      result = "#{name} (#{version})"
+      result << " [BLEEDING]" if bleeding?
+      result
     end
 
     def inspect