Re: [PATCH] git.el: Don't use font-lock-compile-keywords

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Hi,

Lawrence Mitchell wrote:

> If font-lock is disabled, font-lock-compile-keywords complains.
> Really what we want to do is to replace log-edit's font-lock
> definitions with our own, so define a major mode deriving from
> log-edit and set up font-lock-defaults there.  We then use the
> optional MODE argument to log-edit to set up the major mode of the
> commit buffer appropriately.
>
> Signed-Off-By: Lawrence Mitchell <wence@xxxxxx>
> ---
> I sent this before, in response to Johnathan's message of 4th Feb
> (http://thread.gmane.org/gmane.comp.version-control.git/36088/focus=166038),
> but it's possible it got lost in the noise.

Thanks.  This is way beyond my knowledge of emacs; I was just passing
on Kevin's report before.  Kevin, what do you think?  Is it a good
fix?

(For those reading between the lines: why, yes, if you would like to
be maintainer of the contrib/emacs directory, we would be happy to
have you.  When can you start? :))

> So here it is
> again.  The originally proposed patch from Debian is to use
> font-lock-add-keywords rather than font-lock-compile-keywords.
> However, it doesn't exist in XEmacs, if one is looking to
> maintain compatibility, I believe this patch is the right thing
> to do.
>
>  contrib/emacs/git.el |   13 ++++++++++---
>  1 files changed, 10 insertions(+), 3 deletions(-)

Leaving patch unsnipped for reviewers' sake.

Sorry for the slow response,
Jonathan

> 
> diff --git a/contrib/emacs/git.el b/contrib/emacs/git.el
> index 214930a..65c95d9 100644
> --- a/contrib/emacs/git.el
> +++ b/contrib/emacs/git.el
> @@ -1310,6 +1310,13 @@ The FILES list must be sorted."
>        (when sign-off (git-append-sign-off committer-name committer-email)))
>      buffer))
>  
> +(define-derived-mode git-log-edit-mode log-edit-mode "Git-Log-Edit"
> +  "Major mode for editing git log messages.
> +
> +Set up git-specific `font-lock-keywords' for `log-edit-mode'."
> +  (set (make-local-variable 'font-lock-defaults)
> +       '(git-log-edit-font-lock-keywords t t)))
> +
>  (defun git-commit-file ()
>    "Commit the marked file(s), asking for a commit message."
>    (interactive)
> @@ -1335,9 +1342,9 @@ The FILES list must be sorted."
>          (git-setup-log-buffer buffer (git-get-merge-heads) author-name author-email subject date))
>        (if (boundp 'log-edit-diff-function)
>  	  (log-edit 'git-do-commit nil '((log-edit-listfun . git-log-edit-files)
> -					 (log-edit-diff-function . git-log-edit-diff)) buffer)
> -	(log-edit 'git-do-commit nil 'git-log-edit-files buffer))
> -      (setq font-lock-keywords (font-lock-compile-keywords git-log-edit-font-lock-keywords))
> +					 (log-edit-diff-function . git-log-edit-diff)) buffer 'git-log-edit-mode)
> +	(log-edit 'git-do-commit nil 'git-log-edit-files buffer
> +                  'git-log-edit-mode))
>        (setq paragraph-separate (concat (regexp-quote git-log-msg-separator) "$\\|Author: \\|Date: \\|Merge: \\|Signed-off-by: \\|\f\\|[ 	]*$"))
>        (setq buffer-file-coding-system coding-system)
>        (re-search-forward (regexp-quote (concat git-log-msg-separator "\n")) nil t))))
> -- 
> 1.7.4.rc2.18.gb20e9
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