[PATCH] cmdutil: show diffs in commit message with ui.verbosecommit option

[Augie Fackler]

On Wed, Jul 10, 2013 at 11:24:27AM -0400, Jordi Gutiérrez Hermoso wrote:
> # HG changeset patch
> # User Jordi Gutiérrez Hermoso <jordigh at octave.org>
> # Date 1373469596 14400
> #      Wed Jul 10 11:19:56 2013 -0400
> # Node ID c1e50af1f27f672550f9deca7c9983e1a93375a3
> # Parent  83d0df2ddf3f2a07ed347afcfa30ddacc18b4c3d
> cmdutil: show diffs in commit message with ui.verbosecommit option

Queued, I like this well enough.

>
> The following adds an option, ui.verbosecommit, which displays the
> entire diff about to be committed in the text editor window, prefixed
> with "HG:". This is useful as a final reminder of what's about to be
> committed once the commit message is written.
>
> diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
> --- a/mercurial/cmdutil.py
> +++ b/mercurial/cmdutil.py
> @@ -1838,6 +1838,11 @@
>      edittext.extend([_("HG: added %s") % f for f in added])
>      edittext.extend([_("HG: changed %s") % f for f in modified])
>      edittext.extend([_("HG: removed %s") % f for f in removed])
> +    edittext.append("HG: ")
> +    if repo.ui.config("ui","verbosecommit"):
> +        diff = ctx.diff()
> +        edittext.extend([_("HG: %s") % l
> +                         for f in diff for l in f.split("\n")])
>      if not added and not modified and not removed:
>          edittext.append(_("HG: no files changed"))
>      edittext.append("")
> diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
> --- a/mercurial/help/config.txt
> +++ b/mercurial/help/config.txt
> @@ -1244,6 +1244,10 @@
>  ``verbose``
>      Increase the amount of output printed. True or False. Default is False.
>
> +``verbosecommit``
> +    Put more information prefixed with "HG: " in commit messages when
> +    editing them, such as the diff that's about to be committed.
> +
>
>  ``web``
>  -------
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