Re: [PATCH] bash-completion: fix getting strategy list

> On Wed, Aug 20, 2008 at 02:13:42PM -0700, Junio C Hamano <gitster@pobox.com> wrote:
>  > completion: find out supported merge strategies correctly
>  >
>  > "git-merge" is a binary executable these days, and looking for assignment
>  > to $all_strategies variable does not work well.
>  >
>  > When asked for an unknown strategy, pre-1.6.0 and post-1.6.0 "git merge"
>  > commands respectively say:
>  >
>  >     $ $HOME/git-snap-v1.5.6.5/bin/git merge -s help
>  >     available strategies are: recur recursive octopus resolve stupid ours subtree
>  >     $ $HOME/git-snap-v1.6.0/bin/git merge -s help
>  >     Could not find merge strategy 'help'.
>  >     Available strategies are: recursive octopus resolve ours subtree.
>  >
>  > both on its standard error stream.  We can use this to learn what
>  > strategies are supported.
>  >
>  > The sed script is written in such a way that it catches both old and new
>  > message styles ("Available" vs "available", and the full stop at the end).
>  > It also allows future versions of "git merge" to line-wrap the list of
>  > strategies, and add extra comments, like this:
>  >
>  >     $ $HOME/git-snap-v1.6.1/bin/git merge -s help
>  >     Could not find merge strategy 'help'.
>  >     Available strategies are: blame recursive octopus resolve ours
>  >     subtree.
>  >     Also you have custom strategies: theirs
>  >
>  >     Make sure you spell strategy names correctly.
>
>
> I like this, not adding something to builtin-merge when it's already
>  there. :)