$ jhbuild updateone tracker
*** Checking out tracker *** [1/1]
git remote set-url origin git://git.gnome.org/tracker
git remote update origin
Fetching origin
remote: Counting objects: 20, done.
remote: Compressing objects: 100% (12/12), done.
remote: Total 12 (delta 10), reused 0 (delta 0)
Unpacking objects: 100% (12/12), done.
From git://git.gnome.org/tracker
   40903b1..944f392  master     -> origin/master
git fetch
*** Error during phase checkout of tracker: The requested branch "tracker-0-14" is not available. Neither locally, nor remotely in the origin remote. *** [1/1]

  [1] Rerun phase checkout
  [2] Ignore error and continue to next module
  [3] Give up on module
  [4] Start shell
  [5] Reload configuration
  [6] Go to phase "wipe directory and start over"
choice: 3
*** the following modules were not built *** [1/1]
tracker