On Fri, Nov 21, 2014 at 11:28:03AM -0800, Junio C Hamano wrote:
> David Aguilar <dav...@gmail.com> writes:
>
> > This is a cleanup series to remove the use of the $status
> > global variable in mergetool/difftool.
> >
> > This should wait until after the current RC series is
> > over but figured I'd send it out.
> >
> > David Aguilar (3):
> > mergetool--lib: remove use of $status global
> > difftool--helper: add explicit exit statement
> > mergetool: simplify conditionals
> >
> > git-difftool--helper.sh | 2 ++
> > git-mergetool--lib.sh | 20 +++++---------------
> > git-mergetool.sh | 16 +++++-----------
> > 3 files changed, 12 insertions(+), 26 deletions(-)
>
> Looked quite straight-forward from a cursory read.
>
> I tentatively inserted the attached patch before 1/3. If the series
> was done with that extra step as preliminary clean-up, I wouldn't
> have had to wonder if the hunk at "@@ -130,13" was correct.
That makes a lot of sense, please do insert this patch before
1/3 (actually 1/4 with the additional patch I sent after the
initial submission).
Thanks,
David
>
> -- >8 --
> From: Junio C Hamano <gits...@pobox.com>
> Date: Fri, 21 Nov 2014 11:17:57 -0800
> Subject: [PATCH] mergetool--lib: remove no-op assignment to $status from
> setup_user_tool
>
> Even though setup_user_tool assigns the exit status from "eval
> $merge_tool_cmd" to $status, the variable is overwritten by the
> function it calls next, check_unchanged, without ever getting looked
> at by anybody. And "return $status" at the end of this function
> returns the value check_unchanged assigned to it (which is the same
> as the value the function returns). Which makes the assignment a
> no-op.
>
> Remove it.
>
> Signed-off-by: Junio C Hamano <gits...@pobox.com>
> ---
> git-mergetool--lib.sh | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
> index 2b66351..3e06389 100644
> --- a/git-mergetool--lib.sh
> +++ b/git-mergetool--lib.sh
> @@ -130,7 +130,6 @@ setup_user_tool () {
> then
> touch "$BACKUP"
> ( eval $merge_tool_cmd )
> - status=$?
> check_unchanged
> else
> ( eval $merge_tool_cmd )
> --
> 2.2.0-rc2-128-ge2b5e8e
>
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