Fix patch creation in merge-to-branch script.

tools/push-to-trunk/git_recipes.py

Index: tools/push-to-trunk/git_recipes.py
diff --git a/tools/push-to-trunk/git_recipes.py b/tools/push-to-trunk/git_recipes.py
index f5a231599e255d00675e7b926a45ec33a9ed1053..088ba53bd806bdbae83e52590b44962493854b4c 100644
--- a/tools/push-to-trunk/git_recipes.py
+++ b/tools/push-to-trunk/git_recipes.py
@@ -72,7 +72,7 @@ class GitRecipesMixin(object):
 
   @Strip
   def GitLog(self, n=0, format="", grep="", git_hash="", parent_hash="",
-             branch="", reverse=False, patch=False):
+             branch="", reverse=False):
     assert not (git_hash and parent_hash)
     args = ["log"]
     if n > 0:
@@ -83,8 +83,6 @@ class GitRecipesMixin(object):
       args.append("--grep=\"%s\"" % grep)
     if reverse:
       args.append("--reverse")
-    if patch:
-      args.append("-p")
     if git_hash:
       args.append(git_hash)
     if parent_hash:
@@ -92,6 +90,10 @@ class GitRecipesMixin(object):
     args.append(branch)
     return self.Git(MakeArgs(args))
 
+  def GitGetPatch(self, git_hash):
+    assert git_hash
+    return self.Git(MakeArgs(["log", "-1", "-p", git_hash]))
+
   def GitAdd(self, name):
     assert name
     self.Git(MakeArgs(["add", Quoted(name)]))