Merge remote-tracking branch 'myk002/internal_scripts' into develop

docs/changelog.txt

@@ -56,6 +56,7 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 
 ## Lua
 - Added a ``ref_target`` field to primitive field references, corresponding to the ``ref-target`` XML attribute
+- Support for splitting scripts into multiple files without polluting the output of ``#DFHack ls``. Scripts can now add internal files to an ``scripts/internal`` folder.
 
 ## Ruby
 - Updated ``item_find`` and ``building_find`` to use centralized logic that works on more screens

library/Core.cpp

@@ -317,7 +317,7 @@ static void listScripts(PluginManager *plug_mgr, std::map<string,string> &pset,
                 pset[key] = help;
             }
         }
-        else if (all && !files[i].empty() && files[i][0] != '.')
+        else if (all && !files[i].empty() && files[i][0] != '.' && files[i] != "internal")
         {
             listScripts(plug_mgr, pset, path+files[i]+"/", all, prefix+files[i]+"/");
         }

travis/script-docs.py

@@ -81,7 +81,9 @@ def check_file(fname):
 def main():
     """Check that all DFHack scripts include documentation"""
     err = 0
-    for root, _, files in os.walk(SCRIPT_PATH):
+    exclude = set(['internal'])
+    for root, dirs, files in os.walk(SCRIPT_PATH, topdown=True):
+        dirs[:] = [d for d in dirs if d not in exclude]
         for f in files:
             if f[-3:] in {'.rb', 'lua'}:
                 err += check_file(join(root, f))