Re: [PATCH] wt-status.c: set commitable bit if there is a meaningful merge.

> conflicted merge had been resolved and the commit would be the same as
> the parent.
>
> Update show_merge_in_progress to set the commitable bit if conflicts
> have been resolved and a merge is in progress.
>
> Signed-off-by: Stephen P. Smith <ischis2@cox.net>
> ---
>
> Notes:
>    In the original report when the dry run switch was passed and after
>    the merge commit was resolved head and index matched leading to a
>    returned value of 1. [1]
>
>    If the dry run switch was not passed, the commit would succeed to
>    correctly record the resolution.
>
>    The result was that a dry run would report that there would be a
>    failure, but there really isn't a failure if the commit is actually
>    attemped.
>
>    [1] $gmane/276591
>
>    It appeared that the conditional for 'Reject an attempt to record a
>    non-merge empty commit without * explicit --allow-empty.' could be
>    simplified after adding this patch.
>
>    This change can't be propagated to the conditional because it allows
>    a commit that was previously disallowed.
>
> t/t7501-commit.sh | 20 ++++++++++++++++++++
> wt-status.c       |  1 +
> 2 files changed, 21 insertions(+)
>
> diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh
> index 63e0427..363abb1 100755
> --- a/t/t7501-commit.sh
> +++ b/t/t7501-commit.sh
> @@ -587,4 +587,24 @@ test_expect_success '--only works on to-be-born 
> branch' '
>  test_cmp expected actual
> '
>
> +test_expect_success '--dry-run with conflicts fixed from a merge' '
> + # setup two branches with conflicting information
> + # in the same file, resolve the conflict,
> + # call commit with --dry-run
> + echo "Initial contents, unimportant" >test-file &&
> + git add test-file &&
> + git commit -m "Initial commit" &&
> + echo "commit-1-state" >test-file &&
> + git commit -m "commit 1" -i test-file &&
> + git tag commit-1 &&
> + git checkout -b branch-2 HEAD^1 &&
> + echo "commit-2-state" >test-file &&
> + git commit -m "commit 2" -i test-file &&
> + ! $(git merge --no-commit commit-1) &&
> + echo "commit-2-state" >test-file &&
> + git add test-file &&
> + git commit --dry-run &&
> + git commit -m "conflicts fixed from merge."
> +'
> +
> test_done
> diff --git a/wt-status.c b/wt-status.c
> index ab4f80d..1374b48 100644
> --- a/wt-status.c
> +++ b/wt-status.c
> @@ -950,6 +950,7 @@ static void show_merge_in_progress(struct wt_status 
> *s,
>  status_printf_ln(s, color,
>  _("  (fix conflicts and run \"git commit\")"));
>  } else {
> + s-> commitable = 1;
>  status_printf_ln(s, color,
>  _("All conflicts fixed but you are still merging."));
>  if (s->hints)
> -- 
> 2.7.0.GIT
>
> --