The template function now tries to first find a template within a module

(if the template path looks like it belongs to a module) and only when that
fails looks for it in templatedir


git-svn-id: https://reductivelabs.com/svn/puppet/trunk@2277 980ebf18-57e1-0310-9a29-db15c13687c0

lib/puppet/modules.rb

@@ -1,6 +1,8 @@
 # Support for modules
 class Puppet::Module
 
+    TEMPLATES = "templates"
+
     # Return an array of paths by splitting the +modulepath+ config
     # parameter. Only consider paths that are absolute and existing
     # directories
@@ -32,11 +34,39 @@ class Puppet::Module
 
     # Instance methods
 
+    # Find the concrete file denoted by +file+. If +file+ is absolute,
+    # return it directly. Otherwise try to find it as a template in a
+    # module. If that fails, return it relative to the +templatedir+ config
+    # param.
+    # In all cases, an absolute path is returned, which does not
+    # necessarily refer to an existing file
+    def self.find_template(file)
+        if file =~ /^#{File::SEPARATOR}/
+            return file
+        end
+
+        mod = find(file)
+        if mod
+            return mod.template(file)
+        else
+            return File.join(Puppet[:templatedir], file)
+        end
+    end
+
     attr_reader :name, :path
     def initialize(name, path)
         @name = name
         @path = path
     end
 
+    def strip(file)
+        n, rest = file.split(File::SEPARATOR, 2)
+        return rest
+    end
+
+    def template(file)
+        return File::join(path, TEMPLATES, strip(file))
+    end
+
     private :initialize
 end

lib/puppet/parser/templatewrapper.rb

@@ -7,11 +7,7 @@ class Puppet::Parser::TemplateWrapper
 
     def initialize(scope, file)
         @scope = scope
-        if file =~ /^#{File::SEPARATOR}/
-            @file = file
-        else
-            @file = File.join(Puppet[:templatedir], file)
-        end
+        @file = Puppet::Module::find_template(file)
 
         unless FileTest.exists?(@file)
             raise Puppet::ParseError,

test/puppet/modules.rb

@@ -38,4 +38,21 @@ class TestModules < Test::Unit::TestCase
         assert_equal("testmod", mod.name)
         assert_equal(path, mod.path)
     end
+
+    def test_find_template
+        templ = "testmod/templ.erb"
+        assert_equal(File::join(Puppet[:templatedir], templ),
+                     Puppet::Module::find_template(templ))
+
+        templ_path = File::join(@varmods, "testmod",
+                                Puppet::Module::TEMPLATES, "templ.erb")
+        FileUtils::mkdir_p(File::dirname(templ_path))
+        File::open(templ_path, "w") { |f| f.puts "Howdy" }
+
+        assert_equal(templ_path, Puppet::Module::find_template(templ))
+
+        mod = Puppet::Module::find(templ)
+        assert_not_nil(mod)
+        assert_equal(templ_path, mod.template(templ))
+    end
 end