Re: [PATCH] bash completion: add space between branch name and status flags

[Junio C Hamano <gitster@pobox.com>]

Roman Fietze <roman.fietze@telemotive.de> writes:

> Hello Shawn, hello git list members,
>
> Wouldn't it improve the readability of the bash prompt, if there would
> be a space between the branch name and the status flags (dirty, stash,
> untracked)?

Perhaps.

> Signed-off-by: Roman Fietze <roman.fietze@telemotive.de>
> ---
>  contrib/completion/git-completion.bash |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-
> completion.bash
> index bd66639..407176b 100755
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -169,10 +169,12 @@ __git_ps1 ()
>  			fi
>  		fi
>  
> +		local f="$w$i$s$u$r"

I think this line and the two changes to printf below is a big improvement
(unless we are using f for something else---I didn't look).  But I think
the next line is wrong.

> +		f=${f:+ $f}

The $r string is designed to be used as suffix from the beginning and
always has "|" in front of it as a delimiter, so if there is no w/i/s/u
(and I suspect many people do not use GIT_PS1_SHOWDIRTYSTATE and friends,
and these are _always_ empty for them) the above will begin with "|".
There is no need to steal one column from a typeable width from the
command line in such a case.

>  		if [ -n "${1-}" ]; then
> -			printf "$1" "$c${b##refs/heads/}$w$i$s$u$r"
> +			printf "$1" "$c${b##refs/heads/}$f"
>  		else
> -			printf " (%s)" "$c${b##refs/heads/}$w$i$s$u$r"
> +			printf " (%s)" "$c${b##refs/heads/}$f"
>  		fi
>  	fi
>  }

To implement your stated goal (dirty/stash/untracked), you probably want
to do this instead...

	local f="$w$i$s$u"
        f="${f:+ $f}$r"