Allow custom ordering of script phases (#204)

lib/liftoff/xcodeproj_helper.rb

@@ -40,9 +40,19 @@ def set_indentation_level(level, use_tabs)
     def add_script_phases(scripts)
       if scripts
         scripts.each do |script|
-          key, value = script.first
-          puts "Adding shell script build phase '#{value}'"
-          add_shell_script_build_phase(file_manager.template_contents(key), value)
+
+          # -1 means last as index
+          if script.length > 1
+            file = script["file"]
+            name = script["name"]
+            index = script.fetch("index", -1)
+          else
+            file, name = script.first
+            index = -1
+          end
+
+          puts "Adding shell script build phase '#{name}'"
+          add_shell_script_build_phase(file_manager.template_contents(file), name, index)
         end
       end
     end
@@ -79,10 +89,22 @@ def available_targets
       xcode_project.targets.to_a.reject { |t| t.name.end_with?('Tests') }
     end
 
-    def add_shell_script_build_phase(script, name)
+    def add_shell_script_build_phase(script, name, index)
       if build_phase_does_not_exist_with_name?(name)
         build_phase = target.new_shell_script_build_phase(name)
         build_phase.shell_script = script
+
+        # This is not the prettiest way of achieving this but I found no other way
+        # There's probably another way that people that actually know Ruby could think of
+        target.build_phases.delete(build_phase)
+
+        # Sanitize values so that no exception come about
+        if index >= target.build_phases.length || index < -1
+          index = -1
+        end
+
+        target.build_phases.insert(index, build_phase)
+
         xcode_project.save
       end
     end

man/liftoffrc.5

@@ -309,6 +309,16 @@ This script turns any
 or
 .Ic FIXME
 comments into warnings at compilation time.
+.Pp
+You can also customize when your build phase is executed by using the following
+syntax:
+.Bd -literal
+  - file: todo.sh
+    name: Warn for TODO and FIXME comments
+    index: 1
+.Ed
+.Pp
+This will insert the same script phase at the index 1 in the build phase list.
 .
 .Sh WARNINGS
 .Ic liftoff