[PATCH] emacs: stash bugfix

[Mark Walters]

On Mon, 03 Dec 2012, Austin Clements <amdragon at MIT.EDU> wrote:
> Quoth Mark Walters on Dec 02 at 10:11 am:
>> Currently an attempt to stash a non-existent field (eg cc when not
>> present) throws an error. Catch this case and give the user a warning
>> message.
>> 
>> ---
>> While messing around with notmuch-pick key bindings I found the
>> following bug. The easiest way I have found to trigger it is cc
>> (stash-cc) in show mode on a message with no cc header.
>> 
>> Best wishes
>> 
>> Mark
>> 
>>  emacs/notmuch-lib.el |    7 +++++--
>>  1 files changed, 5 insertions(+), 2 deletions(-)
>> 
>> diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
>> index 1d0ec17..c7d8e02 100644
>> --- a/emacs/notmuch-lib.el
>> +++ b/emacs/notmuch-lib.el
>> @@ -183,8 +183,11 @@ user-friendly queries."
>>  
>>  (defun notmuch-common-do-stash (text)
>>    "Common function to stash text in kill ring, and display in minibuffer."
>> -  (kill-new text)
>> -  (message "Stashed: %s" text))
>> +  (if text
>> +      (progn
>> +	(kill-new text)
>> +	(message "Stashed: %s" text))
>> +    (message "Warning: Nothing to stash!")))
>
> Without the unnecessary "Warning:" bit of the message, LGTM.

I am obviously happy to remove the "warning": however do you think
stashing a non-existent thing should empty the kill-ring? I am a little
worried about someone stashing something, not noticing the "nothing to
stash" and then pasting some random thing somewhere (eg something
private into irc).

Best wishes

Mark