Drop deep repository scanning from scan_resources() so it doesn't affect compile

Implement repository scanning through __scan_all() for exporter

workspace_tools/export/exporters.py

@@ -1,6 +1,8 @@
 """Just a template for subclassing"""
 import uuid, shutil, os, logging, fnmatch
+from os import walk, remove
 from os.path import join, dirname, isdir, split
+from copy import copy
 from jinja2 import Template
 from contextlib import closing
 from zipfile import ZipFile, ZIP_DEFLATED
@@ -36,14 +38,31 @@ class Exporter():
                 self.toolchain.copy_files(r, trg_path, rel_path=src_path)
         return resources
 
+    def __scan_all(self, path):
+        resources = []
+        
+        for root, dirs, files in walk(path):
+            for d in copy(dirs):
+                if d == '.' or d == '..':
+                    dirs.remove(d)
+
+            for file in files:
+                file_path = join(root, file)
+                resources.append(file_path)
+        
+        return resources
+    
     def scan_and_copy_resources(self, prj_path, trg_path):
         # Copy only the file for the required target and toolchain
         lib_builds = []
-        repo_dirs = []
         for src in ['lib', 'src']:
             resources = self.__scan_and_copy(join(prj_path, src), trg_path)
             lib_builds.extend(resources.lib_builds)
-            repo_dirs.extend(resources.repo_dirs)
+
+            # The repository files
+            for repo_dir in resources.repo_dirs:
+                repo_files = self.__scan_all(repo_dir)
+                self.toolchain.copy_files(repo_files, trg_path, rel_path=join(prj_path, src))
         
         # The libraries builds
         for bld in lib_builds:
@@ -51,7 +70,8 @@ class Exporter():
             lib_data = self.build_url_resolver(build_url)
             lib_path = lib_data['path'].rstrip('\\/')
             self.__scan_and_copy(lib_path, join(trg_path, lib_data['name']))
-            # create .hg dir in build dir so it's ignored when versioning
+
+            # Create .hg dir in mbed build dir so it's ignored when versioning
             hgdir = join(trg_path, lib_data['name'], '.hg')
             mkdir(hgdir)
             fhandle = file(join(hgdir, 'keep.me'), 'a')