Rake tasks no longer collide with each other.

git-svn-id: svn://hamptoncatlin.com/haml/branches/1.5dev@179 7063305b-7217-0410-af8c-cdc13e5119b9

Rakefile

@@ -1,7 +1,5 @@
 require 'rubygems'
 require 'rake'
-require 'rake/testtask'
-require 'rake/rdoctask'
 
 volatile_requires = ['rcov/rcovtask']
 not_loaded = []
@@ -13,94 +11,118 @@ volatile_requires.each do |file|
   end
 end
 
+# For some crazy reason,
+# some Rake tasks interfere with others
+# (specifically, benchmarking).
+# Thus, it's advantageous to only show
+# the task currently being used.
+def is_task?(*tasks)
+  ARGV[0].nil? || tasks.include?(ARGV[0])
+end
+
 # ----- Default: Testing ------
 
 desc 'Default: run unit tests.'
 task :default => :test
 
-desc 'Test the HAML plugin'
-Rake::TestTask.new(:test) do |t|
-  t.libs << 'lib'
-  t.pattern = 'test/**/*_test.rb'
-  t.verbose = true
+if is_task?('test', 'default')
+  require 'rake/testtask'
+
+  desc 'Test the HAML plugin'
+  Rake::TestTask.new(:test) do |t|
+    t.libs << 'lib'
+    t.pattern = 'test/**/*_test.rb'
+    t.verbose = true
+  end
 end
 
 # ----- Benchmarking -----
 
-temp_desc = <<END
+if is_task?('benchmark')
+  temp_desc = <<END
 Benchmark HAML against ERb.
   TIMES=n sets the number of runs. Defaults to 100.
 END
-desc temp_desc.chomp
-task :benchmark do
-  require 'test/benchmark'
+  
+  desc temp_desc.chomp
+  task :benchmark do
+    require 'test/benchmark'
 
-  puts '-'*51, "Benchmark: HAML vs. ERb", '-'*51
-  puts "Running benchmark #{ENV['TIMES']} times..." if ENV['TIMES']
-  args = []
-  args.push ENV['TIMES'].to_i if ENV['TIMES']
-  benchmarker = Haml::Benchmarker.new
-  puts benchmarker.benchmark(*args)
-  puts '-'*51
+    puts '-'*51, "Benchmark: HAML vs. ERb", '-'*51
+    puts "Running benchmark #{ENV['TIMES']} times..." if ENV['TIMES']
+    args = []
+    args.push ENV['TIMES'].to_i if ENV['TIMES']
+    benchmarker = Haml::Benchmarker.new
+    puts benchmarker.benchmark(*args)
+    puts '-'*51
+  end
 end
 
 # ----- Documentation -----
 
-rdoc_task = Proc.new do |rdoc|
-  rdoc.title    = 'Haml'
-  rdoc.options << '--line-numbers' << '--inline-source'
-  rdoc.rdoc_files.include('REFERENCE')
-  rdoc.rdoc_files.include('lib/**/*.rb')
-  rdoc.rdoc_files.exclude('lib/haml/buffer.rb')
-end
+if is_task?('rdoc', 'rerdoc', 'clobber_rdoc', 'rdoc_devel', 'rerdoc_devel', 'clobber_rdoc_devel')
+  require 'rake/rdoctask'
+  
+  rdoc_task = Proc.new do |rdoc|
+    rdoc.title    = 'Haml'
+    rdoc.options << '--line-numbers' << '--inline-source'
+    rdoc.rdoc_files.include('REFERENCE')
+    rdoc.rdoc_files.include('lib/**/*.rb')
+    rdoc.rdoc_files.exclude('lib/haml/buffer.rb')
+  end
 
-Rake::RDocTask.new do |rdoc|
-  rdoc_task.call(rdoc)
-  rdoc.rdoc_dir = 'rdoc'
-end
+  Rake::RDocTask.new do |rdoc|
+    rdoc_task.call(rdoc)
+    rdoc.rdoc_dir = 'rdoc'
+  end
 
-Rake::RDocTask.new(:rdoc_devel) do |rdoc|
-  rdoc_task.call(rdoc)
-  rdoc.rdoc_dir = 'rdoc_devel'
-  rdoc.options << '--all'
-  rdoc.rdoc_files.include('test/*.rb')
-  rdoc.rdoc_files = Rake::FileList.new(*rdoc.rdoc_files.to_a)
-  rdoc.rdoc_files.include('lib/haml/buffer.rb')
+  Rake::RDocTask.new(:rdoc_devel) do |rdoc|
+    rdoc_task.call(rdoc)
+    rdoc.rdoc_dir = 'rdoc_devel'
+    rdoc.options << '--all'
+    rdoc.rdoc_files.include('test/*.rb')
+    rdoc.rdoc_files = Rake::FileList.new(*rdoc.rdoc_files.to_a)
+    rdoc.rdoc_files.include('lib/haml/buffer.rb')
+  end
 end
 
 # ----- Coverage -----
 
-unless not_loaded.include? 'rcov/rcovtask'
-  Rcov::RcovTask.new do |t|
-    t.libs << "test"
-    t.test_files = FileList['test/*_test.rb']
-    if ENV['NON_NATIVE']
-      t.rcov_opts << "--no-rcovrt"
+if is_task?('rcov', 'clobber_rcov')
+  unless not_loaded.include? 'rcov/rcovtask'
+    Rcov::RcovTask.new do |t|
+      t.libs << "test"
+      t.test_files = FileList['test/*_test.rb']
+      if ENV['NON_NATIVE']
+        t.rcov_opts << "--no-rcovrt"
+      end
+      t.verbose = true
     end
-    t.verbose = true
   end
 end
 
 # ----- Profiling -----
 
-temp_desc = <<END
+if is_task?('profile')
+  temp_desc = <<END
 Run a profile of HAML.
   TIMES=n sets the number of runs. Defaults to 100.
   FILE=n sets the file to profile. Defaults to 'standard'.
 END
-desc temp_desc.chomp
-task :profile do
-  require 'test/profile'
-  
-  puts '-'*51, "Profiling HAML::Template", '-'*51
-  
-  args = []
-  args.push ENV['TIMES'].to_i if ENV['TIMES']
-  args.push ENV['FILE'] if ENV['FILE']
-  
-  profiler = Haml::Profiler.new
-  res = profiler.profile(*args)
-  puts res
-  
-  puts '-'*51
+  desc temp_desc.chomp
+  task :profile do
+    require 'test/profile'
+    
+    puts '-'*51, "Profiling HAML::Template", '-'*51
+    
+    args = []
+    args.push ENV['TIMES'].to_i if ENV['TIMES']
+    args.push ENV['FILE'] if ENV['FILE']
+    
+    profiler = Haml::Profiler.new
+    res = profiler.profile(*args)
+    puts res
+    
+    puts '-'*51
+  end
 end