[ostree] (5 commits) Non-fast-forward update to branch wip/pull-depth

[Colin Walters <walters src gnome org>]

The branch 'wip/pull-depth' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  0f494ac... libostree: Add ostree_repo_pull_with_options()
  c8f573b... pull: Add --depth

Commits added to the branch:

  fb3ad00... grub2: Fix bad substitution in review followup (*)
  12d7cf7... libostree: Add ostree_repo_pull_with_options()
  6c7a511... wip-pull-async
  182c745... wip
  c70c950... pull: Add depth support

(*) This commit already existed in another branch; no separate mail sent