[PATCH] emacs: add missing paren to fix defun in notmuch-address.el.

Karl Fogel kfogel at red-bean.com
Thu Jul 3 17:56:33 PDT 2014


Sebastian Lipp <bacuh at riseup.net> writes:
>Tomi Ollila <tomi.ollila at iki.fi> writes:
>> On Tue, Apr 09 2013, David Bremner wrote:
>>> There seems to be a few warnings:
>>>
>>> In notmuch-bbdb/snarf-from:
>>> notmuch-address.el:116:26:Warning: reference to free variable
>>>     `bbdb-get-addresses-headers'
>>>
>>> In notmuch-bbdb/snarf-to:
>>> notmuch-address.el:122:29:Warning: reference to free variable
>>>     `bbdb-get-addresses-headers'
>>>
>>> In end of data:
>>> notmuch-address.el:143:1:Warning: the following functions are not known to be
>>>     defined: bbdb-get-addresses, bbdb-update-records, notmuch-show-get-header
>>>
>>> Do we need a few defvars?
>>
>> For the above set, something like:
>>
>> (defvar bbdb-get-addresses-headers)
>>
>> (declare-function notmuch-show-get-header "notmuch-show" (header &optional props))
>>
>> (declare-function bbdb-get-addresses "bbdb-com" 
>>   (only-first-address
>>    uninteresting-senders
>>    get-header-content-function
>>    &rest get-header-content-function-args))
>>
>> (declare-function bbdb-update-records "bbdb-com" (addrs auto-create-p offer-to-create))
>
>As I'd like to see this in notmuch I made the change. The patch is
>attached. As it is my first contribution to notmuch at all: Just tell me
>if I'm supposed to do it in any other way.

I think your patch includes much more than just the above, though.

(It helps to include a log message with the patch -- then people can see
what you intended the code change to be, and compare that against the
code change the patch actually makes.)

>diff --git a/emacs/notmuch-address.el b/emacs/notmuch-address.el
>index fa65cd5..ee7b169 100644
>--- a/emacs/notmuch-address.el
>+++ b/emacs/notmuch-address.el
>@@ -113,6 +113,59 @@ to know how address selection is made by default."
> (when (notmuch-address-locate-command notmuch-address-command)
>   (notmuch-address-message-insinuate))
> 
>+;; functions to add sender / recipients to BBDB
>+
>+(defvar bbdb-get-addresses-headers)

I think it's good to include an initial value (even an invalid
placeholder one, if the real initialization has not happened yet), and a
doc string.  C-h f defvar RET will say more about how to do that.

(By the way, this isn't a user-customizeable variable, right?  If it
were, then `defcustom' would be better than `defvar'.)

>+(declare-function notmuch-show-get-header "notmuch-show" (header &optional props))
>+
>+(declare-function bbdb-get-addresses "bbdb-com" 
>+  (only-first-address
>+   uninteresting-senders
>+   get-header-content-function
>+   &rest get-header-content-function-args))
>+
>+(declare-function bbdb-update-records "bbdb-com" (addrs auto-create-p offer-to-create))

At this point, your patch has accomplished what Tomi originally
suggested.  But then the patch continues with what looks like
substantive new code:

>+(defun notmuch-bbdb/snarf-headers (headers)
>+  ;; Helper function to avoid code duplication in the two below
>+  ;; headers should have the same format as bbdb-get-addresses-headers
>+
>+  ;; bbdb-get-addresses reads these
>+  ;; Ugh, pass-by-global
>+  (let ((addrs (bbdb-get-addresses nil nil 'notmuch-bbdb/get-header-content))
>+	(bbdb-get-addresses-headers headers) ; headers to read
>+	(bbdb-gag-messages t)) ; suppress m/n processed message)
>+    (bbdb-update-records addrs t t)))
>+
>+(defun notmuch-bbdb/snarf-from ()
>+  "Import the sender of the current message into BBDB"
>+  (interactive)
>+  (notmuch-bbdb/snarf-headers
>+   (list (assoc 'authors bbdb-get-addresses-headers))))
>+
>+(defun notmuch-bbdb/snarf-to ()
>+  "Import all recipients of the current message into BBDB"
>+  (interactive)
>+  (notmuch-bbdb/snarf-headers
>+   (list (assoc 'recipients bbdb-get-addresses-headers))))
>+
>+(defvar notmuch-bbdb/header-by-name
>+  ;; both are case sensitive
>+  '( ("From" . :From)
>+     ("To" . :To)
>+     ("CC" . :Cc)
>+     ("BCC" . :Bcc)
>+     ("Resent-From" . nil)
>+     ("Reply-To" . nil)
>+     ("Resent-To" . nil)
>+     ("Resent-CC" . nil))
>+  "Alist for dispatching header symbols as used by notmuch-show-get-header
>+from strings as used by bbdb-get-addresses")
>+
>+(defun notmuch-bbdb/get-header-content (name)
>+  (notmuch-show-get-header (cdr (assoc name notmuch-bbdb/header-by-name))))

It looks like new code, but I suspect what actually happened is that
this is just the original code, somehow mis-expressed as "+" lines in
the patch.  Is that what happened?

Best,
-Karl


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