diff mercurial/subrepo.py @ 24778:a48b65ab428d

subrepo: add include/exclude support for diffing git subrepos

Previously, git subrepos were ignored if any type of path selection
was done.
This can be solved by using subrepo status and filtering matching files.

--- a/mercurial/subrepo.py	Sun Apr 12 19:00:31 2015 +0900
+++ b/mercurial/subrepo.py	Tue Apr 14 20:09:56 2015 +0200
@@ -1779,17 +1779,15 @@
         if node2:
             cmd.append(node2)
 
-        if match.anypats():
-            return #No support for include/exclude yet
-
         output = ""
         if match.always():
             output += self._gitcommand(cmd) + '\n'
-        elif match.files():
-            for f in match.files():
-                output += self._gitcommand(cmd + [f]) + '\n'
-        elif match(gitprefix): #Subrepo is matched
-            output += self._gitcommand(cmd) + '\n'
+        else:
+            st = self.status(node2)[:3]
+            files = [f for sublist in st for f in sublist]
+            for f in files:
+                if match(f):
+                    output += self._gitcommand(cmd + ['--', f]) + '\n'
 
         if output.strip():
             ui.write(output)