[meld] Remove diff command from API

[Kai Willadsen <kaiw src gnome org>]

commit df4526959d7ec793a20f0afbc6921efa655dc192
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Thu Jun 20 07:36:13 2013 +1000

    Remove diff command from API

 meld/vc/_vc.py      |    3 ---
 meld/vc/bzr.py      |    3 ---
 meld/vc/cvs.py      |    5 +----
 meld/vc/darcs.py    |    4 ----
 meld/vc/fossil.py   |    3 ---
 meld/vc/monotone.py |    2 --
 meld/vc/svn.py      |    2 --
 meld/vcview.py      |    1 -
 8 files changed, 1 insertions(+), 22 deletions(-)
---
diff --git a/meld/vc/_vc.py b/meld/vc/_vc.py
index 121c593..3fc839b 100644
--- a/meld/vc/_vc.py
+++ b/meld/vc/_vc.py
@@ -124,9 +124,6 @@ class Vc(object):
     def commit_command(self, message):
         raise NotImplementedError()
 
-    def diff_command(self):
-        raise NotImplementedError()
-
     def update_command(self):
         raise NotImplementedError()
 
diff --git a/meld/vc/bzr.py b/meld/vc/bzr.py
index 49662ac..42071a2 100644
--- a/meld/vc/bzr.py
+++ b/meld/vc/bzr.py
@@ -77,9 +77,6 @@ class Vc(_vc.CachedVc):
     def commit_command(self, message):
         return [self.CMD] + self.CMDARGS + ["commit", "-m", message]
 
-    def diff_command(self):
-        return [self.CMD] + self.CMDARGS + ["diff"]
-
     def add_command(self):
         return [self.CMD] + self.CMDARGS + ["add"]
 
diff --git a/meld/vc/cvs.py b/meld/vc/cvs.py
index 7afbff1..ba22977 100644
--- a/meld/vc/cvs.py
+++ b/meld/vc/cvs.py
@@ -60,9 +60,6 @@ class Vc(_vc.Vc):
     def commit_command(self, message):
         return [self.CMD, "commit", "-m", message]
 
-    def diff_command(self):
-        return [self.CMD, "diff", "-u"]
-
     def update_command(self):
         return [self.CMD, "update"]
 
@@ -90,7 +87,7 @@ class Vc(_vc.Vc):
             raise _vc.InvalidVCPath(self, path, "Path not in repository")
         path = path[len(self.root) + 1:]
 
-        diffiter = misc.read_pipe_iter(self.diff_command() + [path],
+        diffiter = misc.read_pipe_iter([self.CMD, "diff", "-u", path],
                                        FakeErrorStream(), workdir=self.root)
         patch = None
         while patch is None:
diff --git a/meld/vc/darcs.py b/meld/vc/darcs.py
index a5073d8..d854eff 100644
--- a/meld/vc/darcs.py
+++ b/meld/vc/darcs.py
@@ -50,10 +50,6 @@ class Vc(_vc.CachedVc):
                 "-a",
                 "-m", message]
 
-    def diff_command(self):
-        return [self.CMD, "diff", "-u",
-                "--repodir=%s" % self.root]
-
     def update_command(self):
         # This will not work while passing the files parameter after it
         # This hack allows you to update in the root directory
diff --git a/meld/vc/fossil.py b/meld/vc/fossil.py
index 344332e..664008c 100644
--- a/meld/vc/fossil.py
+++ b/meld/vc/fossil.py
@@ -53,9 +53,6 @@ class Vc(_vc.CachedVc):
     def commit_command(self, message):
         return [self.CMD, "commit", "-m", message]
 
-    def diff_command(self):
-        return [self.CMD, "diff"]
-
     def update_command(self):
         return [self.CMD, "update"]
 
diff --git a/meld/vc/monotone.py b/meld/vc/monotone.py
index e2812b7..86bf5ea 100644
--- a/meld/vc/monotone.py
+++ b/meld/vc/monotone.py
@@ -129,8 +129,6 @@ class Vc(_vc.CachedVc):
 
     def commit_command(self, message):
         return [self.CMD,"commit","-m",message]
-    def diff_command(self):
-        return [self.CMD,"diff"]
     def update_command(self):
         return [self.CMD,"update"]
     def add_command(self):
diff --git a/meld/vc/svn.py b/meld/vc/svn.py
index dad97d6..ce8817d 100644
--- a/meld/vc/svn.py
+++ b/meld/vc/svn.py
@@ -54,8 +54,6 @@ class Vc(_vc.CachedVc):
 
     def commit_command(self, message):
         return [self.CMD,"commit","-m",message]
-    def diff_command(self):
-        return [self.CMD, "diff"]
 
     def update_command(self):
         return [self.CMD,"update"]
diff --git a/meld/vcview.py b/meld/vcview.py
index 12219b6..a497f58 100644
--- a/meld/vcview.py
+++ b/meld/vcview.py
@@ -212,7 +212,6 @@ entry_ignored  = lambda x: (x.state == tree.STATE_IGNORED) or x.isdir
 class VcView(melddoc.MeldDoc, gnomeglade.Component):
     # Map action names to VC commands and required arguments list
     action_vc_cmds_map = {
-        "VcCompare": ("diff_command", ()),
         "VcCommit": ("commit_command", ("",)),
         "VcUpdate": ("update_command", ()),
         "VcPush": ("push", (lambda *args, **kwargs: None, )),