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djcb
2011-12-17 11:33:31 +02:00
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24
emacs/mu4e-tech.org
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@ -1,10 +1,10 @@
* mm * mu4e
I haven't written many =emacs-fu= posts recently, but that doesn't mean I I haven't written many =emacs-fu= posts recently, but that doesn't mean I
haven't used emacs a lot. In fact, over the last few months I've been working on haven't used emacs a lot. In fact, over the last few months I've been working on
a bigger emacs-related project; the working title is =mm=, and it's an a bigger emacs-related project; the working title is =mu4e=, and it's an
emacs-based e-mail client based on my [[http://www.djcbsoftware.nl/code/mu][mu]] maildir searcher/indexer that I emacs-based e-mail client based on my [[http://www.djcbsoftware.nl/code/mu][mu]] maildir searcher/indexer that I
discussed before. Even though I've been using =mm= myself for about two months, discussed before. Even though I've been using =mu4e= myself for about two months,
it's not really ready from prime-time yet - but I'm planning to have something it's not really ready from prime-time yet - but I'm planning to have something
ready this year still. ready this year still.
@ -19,7 +19,7 @@ interesting for others planning emacs-based front-ends to other tools.
** Getting output from =mu= ** Getting output from =mu=
One way to implement this (for =mu=), is to call the =mu= command-line tool One way to implement this (for =mu=), is to call the =mu= comu4eand-line tool
with some parameters and then parse its output. In fact, that is how some with some parameters and then parse its output. In fact, that is how some
tools do it, and it was my first approach - so I would invoke =mu find= and tools do it, and it was my first approach - so I would invoke =mu find= and
then process the output in emacs (more about that in a minute). then process the output in emacs (more about that in a minute).
@ -27,8 +27,8 @@ interesting for others planning emacs-based front-ends to other tools.
However, then I realized that I'd need to load the entire e-mail Xapian However, then I realized that I'd need to load the entire e-mail Xapian
database for each invocation. Wouldn't it be nicer to keep a running =mu= database for each invocation. Wouldn't it be nicer to keep a running =mu=
instance around? Indeed, it would - so I implemented the =mu server= instance around? Indeed, it would - so I implemented the =mu server=
sub-command. Now, when you run =mu server=, you get a shell, in which you can sub-comu4eand. Now, when you run =mu server=, you get a shell, in which you can
give commands to =mu=, and which will then spit out the results. =mu server= give comu4eands to =mu=, and which will then spit out the results. =mu server=
is not really meant for humans, but still I can use it manually, which is is not really meant for humans, but still I can use it manually, which is
great for debugging. great for debugging.
@ -56,13 +56,13 @@ interesting for others planning emacs-based front-ends to other tools.
you can clean things up. you can clean things up.
The function =my-process-filter= is a user-defined function that takes the The function =my-process-filter= is a user-defined function that takes the
process and the chunk of output as arguments; in =mm= it looks something like process and the chunk of output as arguments; in =mu4e= it looks something like
(pseudo-lisp): (pseudo-lisp):
#+begin_SRC emacs-lisp #+begin_SRC emacs-lisp
(defun my-process-filter (proc str) (defun my-process-filter (proc str)
(setq mm/buf (concat mm/buf str)) ;; a global var updated with the new chunk (setq mu4e/buf (concat mu4e/buf str)) ;; a global var updated with the new chunk
(when <we-have-received-a-full-expression> (when <we-have-received-a-full-expression>
<eat-expression-from mm/buf> <eat-expression-from mu4e/buf>
<evaluate-expression>)) <evaluate-expression>))
#+end_src #+end_src
@ -90,7 +90,7 @@ interesting for others planning emacs-based front-ends to other tools.
Then, for some years I've been using Wanderlust; a fine, very feature-rich Then, for some years I've been using Wanderlust; a fine, very feature-rich
client, but it shows its age - and especially with emacs-24, its cache file client, but it shows its age - and especially with emacs-24, its cache file
got corrupted very often, requiring me to delete them etc. Still, you will got corrupted very often, requiring me to delete them etc. Still, you will
recognize some Wanderlust features in =mm/mu=. recognize some Wanderlust features in =mu4e/mu=.
* Why not use [[http://notmuchmail.org/][notmuch]]? It seems similar. * Why not use [[http://notmuchmail.org/][notmuch]]? It seems similar.
@ -106,11 +106,11 @@ interesting for others planning emacs-based front-ends to other tools.
clients (or synchronize with IMAP-folders through [[http://offlineimap.org/][OfflineIMAP]]). I'd like to be clients (or synchronize with IMAP-folders through [[http://offlineimap.org/][OfflineIMAP]]). I'd like to be
able to move messages around, delete messages and so on. This is in fact one able to move messages around, delete messages and so on. This is in fact one
of the things I liked in [[http://www.gohome.org/wl/][Wanderlust]], and wouldn't want to live without - so of the things I liked in [[http://www.gohome.org/wl/][Wanderlust]], and wouldn't want to live without - so
=mu=/=mm= make this really easy. =mu=/=mu4e= make this really easy.
Clearly, the emacs-interface to =notmuch= is more mature, and the development Clearly, the emacs-interface to =notmuch= is more mature, and the development
team is bigger, so I'd give it a try. On the other hand, if you happen to like team is bigger, so I'd give it a try. On the other hand, if you happen to like
e-mail the way I like it, =mm= may be something for you. e-mail the way I like it, =mu4e= may be something for you.

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emacs/mu4e.el
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@ -343,7 +343,7 @@ server has the expected values."
;; better to check for specific features ;; better to check for specific features
(if (< emacs-major-version 23) (if (< emacs-major-version 23)
(error "Emacs >= 23.x is required for mu4e") (error "Emacs >= 23.x is required for mu4e")
(progn (progn
(setq mu4e-proc-pong-func (setq mu4e-proc-pong-func
(lambda (version doccount) (lambda (version doccount)
(unless (string= version mu4e-mu-version) (unless (string= version mu4e-mu-version)

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emacs/mu4e.org
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@ -6,7 +6,7 @@
tool. It turns mu into an e-mail-client. tool. It turns mu into an e-mail-client.
Mu Mail has things in common with programs such as 'notmuch' and 'md', but - Mu Mail has things in common with programs such as 'notmuch' and 'md', but -
in the opinion of it's author - it offers some unique features as in the opinion of its author - it offers some unique features as
well. Basically, the mail handling (deleting, moving etc.) is inspired by well. Basically, the mail handling (deleting, moving etc.) is inspired by
*Wanderlust* (another emacs-based e-mail client) and *dired*, while it takes *Wanderlust* (another emacs-based e-mail client) and *dired*, while it takes
some cues from GMail with respect to being search-based. In practice this some cues from GMail with respect to being search-based. In practice this