Re: [PATCH 2/5] Introduce -ff=<fast forward option>

> --ff now takes an argument allowing --ff to be written
>  as --ff=allow and -no-ff to be written as --ff=never.
>  This change allow other fast forward options to be
>  introduced later.
>
>  See the documentation for a further explanation of these options.
>
>  Signed-off-by: Sverre Hvammen Johansen <hvammen@gmail.com>
>  ---
>   Documentation/fast-forward-options.txt |   44 ++++++++
>   Documentation/git-merge.txt            |    6 +-
>   Documentation/git-pull.txt             |    2 +
>   Documentation/merge-options.txt        |    9 +-
>   git-merge.sh                           |   47 +++++---
>   git-pull.sh                            |    4 +-
>   t/t7601-merge-ff-options.sh            |  188 ++++++++++++++++++++++++++++++++
>   7 files changed, 277 insertions(+), 23 deletions(-)
>   create mode 100644 Documentation/fast-forward-options.txt
>
>  diff --git a/Documentation/fast-forward-options.txt
>  b/Documentation/fast-forward-options.txt
>  new file mode 100644
>  index 0000000..95d0e6f
>  --- /dev/null
>  +++ b/Documentation/fast-forward-options.txt
>  @@ -0,0 +1,44 @@
>  +FAST FORWARD OPTIONS
>  +--------------------
>  +
>  +allow::
>  +
>  +       Do not generate a merge commit if the merge resolves as a
>  +       fast-forward, only update the branch pointer.  This option is
>  +       equivalent of '--ff' without any argument.  This is the
>  +       default behavior.