Merge pull request #1032 from nanoc/gh-1031-recompile-all-reps-of-out…

…dated-items

Recompile all reps of outdated items

lib/nanoc/base/services/compiler.rb

@@ -303,17 +303,13 @@ def prune_config_exclude
     end
 
     def compile_reps
-      # Find item reps to compile
-      outdated_reps = Set.new(@reps.select { |r| outdatedness_checker.outdated?(r) })
-
-      # Reset dependencies for outdated items
-      outdated_items = outdated_reps.map(&:item).uniq
+      outdated_items = @reps.select { |r| outdatedness_checker.outdated?(r) }.map(&:item).uniq
       outdated_items.each { |i| @dependency_store.forget_dependencies_for(i) }
 
-      # Compile reps
-      selector = Nanoc::Int::ItemRepSelector.new(outdated_reps)
+      reps_to_recompile = Set.new(outdated_items.flat_map { |i| @reps[i] })
+      selector = Nanoc::Int::ItemRepSelector.new(reps_to_recompile)
       selector.each do |rep|
-        handle_errors_while(rep) { compile_rep(rep, is_outdated: outdated_reps.include?(rep)) }
+        handle_errors_while(rep) { compile_rep(rep, is_outdated: reps_to_recompile.include?(rep)) }
       end
     end
 

spec/nanoc/regressions/gh_1031_spec.rb

@@ -0,0 +1,54 @@
+describe 'GH-1031', site: true, stdio: true do
+  before do
+    File.write('content/foo.md', '[<%= @items["/bar.*"].compiled_content %>]')
+    File.write('content/bar.md', 'I am bar!')
+
+    File.write('Rules', <<EOS)
+  compile '/bar.*' do
+    write '/bar.txt'
+  end
+
+  compile '/foo.*', rep: :default do
+    write '/foo.txt'
+  end
+
+  compile '/foo.*', rep: :depz do
+    filter :erb
+    write '/foo_deps.txt'
+  end
+EOS
+  end
+
+  it 'recompiles all reps of a changed item' do
+    Nanoc::CLI.run(%w(compile))
+    expect(File.file?('output/bar.txt')).to be
+    expect(File.file?('output/foo.txt')).to be
+    expect(File.file?('output/foo_deps.txt')).to be
+
+    File.write('Rules', <<EOS)
+  compile '/bar.*' do
+    write '/bar.txt'
+  end
+
+  compile '/foo.*', rep: :default do
+    write '/foo-new.txt'
+  end
+
+  compile '/foo.*', rep: :depz do
+    filter :erb
+    write '/foo_deps.txt'
+  end
+EOS
+
+    Nanoc::CLI.run(%w(compile))
+    expect(File.file?('output/bar.txt')).to be
+    expect(File.file?('output/foo.txt')).to be
+    expect(File.file?('output/foo_deps.txt')).to be
+    expect(File.read('output/foo_deps.txt')).to eq('[I am bar!]')
+
+    File.write('content/bar.md', 'I am a newer bar!')
+
+    Nanoc::CLI.run(%w(compile))
+    expect(File.read('output/foo_deps.txt')).to eq('[I am a newer bar!]')
+  end
+end