Put patches to refs/patches/<username>/<patchname>

trychange.py

Index: trychange.py
diff --git a/trychange.py b/trychange.py
index 8a6e35eac380b4da19d3a92eb181672681c66426..8fe2b5fb17eafa0ff879d0d2bbf5bd92a515d216 100755
--- a/trychange.py
+++ b/trychange.py
@@ -640,12 +640,13 @@ def _SendChangeGit(bot_spec, options):
   with _PrepareDescriptionAndPatchFiles(description, options) as (
        patch_filename, description_filename):
     logging.info('Committing patch')
-    target_branch = ('refs/patches/' +
-                     os.path.basename(patch_filename).replace(' ','-'))
+    target_branch = 'refs/patches/%s/%s' % (
+        Escape(options.user),
+        os.path.basename(patch_filename).replace(' ','_'))
     target_filename = os.path.join(patch_dir, 'patch.diff')
     branch_file = os.path.join(patch_dir, GIT_BRANCH_FILE)
     try:
-      # Crete a new branch and put the patch there
+      # Create a new branch and put the patch there.
       patch_git('checkout', '--orphan', target_branch)
       patch_git('reset')
       patch_git('clean', '-f')