1 files changed, 13 insertions, 2 deletions

diff --git a/subcmds/upload.py b/subcmds/upload.py
index 7f7585ae..526dcd57 100644
--- a/subcmds/upload.py
+++ b/subcmds/upload.py
@@ -422,7 +422,16 @@ Gerrit Code Review:  http://code.google.com/p/gerrit/
     for project in project_list:
       if opt.current_branch:
         cbr = project.CurrentBranch
-        avail = [project.GetUploadableBranch(cbr)] if cbr else None
+        up_branch = project.GetUploadableBranch(cbr)
+        if up_branch:
+          avail = [up_branch]
+        else:
+          avail = None
+          print('ERROR: Current branch (%s) not uploadable. '
+                'You may be able to type '
+                '"git branch --set-upstream-to m/master" to fix '
+                'your branch.' % str(cbr),
+                file=sys.stderr)
       else:
         avail = project.GetUploadableBranches(branch)
       if avail:
@@ -432,8 +441,10 @@ Gerrit Code Review:  http://code.google.com/p/gerrit/
       hook = RepoHook('pre-upload', self.manifest.repo_hooks_project,
                       self.manifest.topdir, abort_if_user_denies=True)
       pending_proj_names = [project.name for (project, avail) in pending]
+      pending_worktrees = [project.worktree for (project, avail) in pending]
       try:
-        hook.Run(opt.allow_all_hooks, project_list=pending_proj_names)
+        hook.Run(opt.allow_all_hooks, project_list=pending_proj_names,
+                 worktree_list=pending_worktrees)
       except HookError as e:
         print("ERROR: %s" % str(e), file=sys.stderr)
         return