# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1499059198 25200
# Node ID f13d618cfec69ab4992efafe5e9518107d01cc8d
# Parent  f77f9dcba072c08b0b976cc759dd1df54c49e5d2
themes: Allow keeping local overrides when copying a theme locally.

diff -r f77f9dcba072 -r f13d618cfec6 piecrust/commands/builtin/themes.py
--- a/piecrust/commands/builtin/themes.py	Sun Jul 02 22:15:47 2017 -0700
+++ b/piecrust/commands/builtin/themes.py	Sun Jul 02 22:19:58 2017 -0700
@@ -103,24 +103,24 @@
                 dst_path = os.path.join(app_dir, rel_dirpath, name)
                 copies.append((src_path, dst_path))
 
-        conflicts = []
+        conflicts = set()
         for c in copies:
             if os.path.exists(c[1]):
-                conflicts.append(c[1])
+                conflicts.add(c[1])
         if conflicts:
-            logger.warning("Some website files will be overwritten:")
+            logger.warning("Some website files override theme files:")
             for c in conflicts:
                 logger.warning(os.path.relpath(c, app_dir))
-            logger.warning("Are you sure? [Y/n]")
-            ans = input()
-            if len(ans) > 0 and ans.lower() not in ['y', 'yes']:
-                return 1
+            logger.warning("")
+            logger.warning("The local website files will be preserved, and "
+                           "the conflicting theme files won't be copied "
+                           "locally.")
 
         for c in copies:
-            logger.info(os.path.relpath(c[1], app_dir))
-            if not os.path.exists(os.path.dirname(c[1])):
-                os.makedirs(os.path.dirname(c[1]))
-            shutil.copy2(c[0], c[1])
+            if not c[1] in conflicts:
+                logger.info(os.path.relpath(c[1], app_dir))
+                os.makedirs(os.path.dirname(c[1]), exist_ok=True)
+                shutil.copy2(c[0], c[1])
 
     def _linkTheme(self, ctx):
         if not os.path.isdir(ctx.args.theme_dir):