Only warn if the local working copy is dirty.

That change allows for merging multiple revisions into a local working copy.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/3041034

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@54399 0039d316-1c4b-4281-b951-d872f2087c98

drover.py

@@ -456,8 +456,8 @@ def drover(options, args):
     if not inCheckoutRoot(working):
       print "'%s' appears not to be the root of a working copy" % working
       return 1
-    if isSVNDirty():
-      print "Working copy contains uncommitted files"
+    if (isSVNDirty() and not
+        prompt("Working copy contains uncommitted files. Continue?")):
       return 1
 
   command = 'svn log ' + url + " -r "+str(revision) + " -v"