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| | #!/bin/sh
:; set -x; exec "${EMACS:-emacs}" --debug-init --load "$0" "$@"; exit
;;
;; Try the notmuch emacs client located in ../notmuch/emacs directory
;;
;; Run this without arguments; emacs window opens with some usage information
;;
;; Authors: Tomi Ollila <tomi.ollila@iki.fi>
;;
;; http://www.emacswiki.org/emacs/EmacsScripts was a useful starting point...
;;
;; Licence: GPLv3+
;;
(message "Starting '%s'" load-file-name)
(set-buffer "*scratch*")
(setq initial-buffer-choice t) ;; *scratch* buffer
(when (featurep 'notmuch)
(insert "
Notmuch has been loaded to this emacs (during processing of the init file)
which means it is (most probably) loaded from different source than expected.
Please run \"" (file-name-nondirectory load-file-name)
"\" with '-q' (or '-Q') as an argument, to disable
processing of the init file -- you can load it after emacs has started\n
exit emacs (y or n)? ")
(if (y-or-n-p "exit emacs")
(kill-emacs)
(error "Stopped reading %s" load-file-name)))
(let ((pdir (file-name-directory
(directory-file-name (file-name-directory load-file-name)))))
(unless (file-exists-p (concat pdir "emacs/notmuch-lib.el"))
(insert "Cannot find notmuch-emacs source directory
while looking at: " pdir "emacs\n\nexit emacs (y or n)? ")
(if (y-or-n-p "exit emacs")
(kill-emacs)
(error "Stopped reading %s" load-file-name)))
(setq try-notmuch-source-directory (directory-file-name pdir))
(setq try-notmuch-emacs-directory (concat pdir "emacs/"))
(setq load-path (cons try-notmuch-emacs-directory load-path)))
;; for logging, debugging and load tracing (broke on emacs 24.5.1 :O)
;;(defadvice file-truename (before before-file-truename activate)
;;;; (message "file-truename: '%s' '%s' '%s'" filename counter prev-dirs))
;; (unless counter
;; (message "file-truename: %s" filename)))
;; they say advice doesn't work for primitives (functions from c source)
;; well, these 'before' advice works for emacs 23.1 - 24.5 (at least)
;; ...and for our purposes 24.3 is enough (there is no load-prefer-newer there)
;; note also that the old, "obsolete" defadvice mechanism was used, but that
;; is the only one available for emacs 23 and 24 up to 24.3.
(if (boundp 'load-prefer-newer)
(defadvice require (before before-require activate)
(unless (featurep feature)
(message "require: %s" feature)))
;; else: special require "short-circuit"; after load feature is provided...
;; ... in notmuch sources we always use require and there are no loops
(defadvice require (before before-require activate)
(unless (featurep feature)
(message "require: %s" feature)
(let ((name (symbol-name feature)))
(if (and (string-match "^notmuch" name)
(file-newer-than-file-p
(concat try-notmuch-emacs-directory name ".el")
(concat try-notmuch-emacs-directory name ".elc")))
(load (concat try-notmuch-emacs-directory name ".el") nil nil t t)
)))))
(insert "Found notmuch emacs client in " try-notmuch-emacs-directory "\n")
(condition-case err
;; "opportunistic" load-prefer-newer -- will be effective since emacs 24.4
(let ((load-prefer-newer t)
(force-load-messages t))
(require 'notmuch))
;; specifying `debug' here lets the debugger run
;; if `debug-on-error' is non-nil.
((debug error)
(progn
(insert "\nLoading notmuch failed: " (error-message-string err) "\n")
(insert "See *Messages* buffer for more information.\n")
(error "Stopped reading %s" load-file-name))))
(insert "
Go to the end of the following lines and type C-x C-e to evaluate
(or C-j which is shorter but inserts evaluation results into buffer)
To \"disable\" mail sending, evaluate
* (setq message-send-mail-function (lambda () t))
")
(if (file-exists-p (concat try-notmuch-source-directory "/notmuch"))
(insert "
To use accompanied notmuch binary from the same source, evaluate
* (setq exec-path (cons \"" try-notmuch-source-directory "\" exec-path))
Note: Evaluating the above may be followed by unintended database
upgrade and getting back to old version may require dump & restore.
"))
(if init-file-user ;; nil, if '-q' or '-Q' is given, but no '-u' 'USER'
(insert "
Your init file was processed during emacs startup. If you want to test
notmuch emacs mail client without your emacs init file interfering, Run\n\""
(file-name-nondirectory load-file-name) "\" with '-q' (or '-Q') as an argument.
")
(let ((init-file-name))
;; determining init file name in startup.el/command-line is too complicated
;; to be duplicated here; these 3 file names covers most of the users
(mapc (lambda (fn) (if (file-exists-p fn) (setq init-file-name fn)))
'("~/.emacs.d/init.el" "~/.emacs" "~/.emacs.el"))
(if init-file-name
(insert "
If you want to load your emacs init file now, evaluate
* (load \"" init-file-name "\")
")))
(insert "
If you want to use packages (e.g. company from elpa) evaluate
* (progn (require 'package) (package-initialize))
"))
(insert "
To start notmuch (hello) screen, evaluate
* (notmuch-hello)")
(setq try-emacs-pop-messages-buffers nil)
(add-hook 'command-line-functions
(lambda ()
(unless try-emacs-pop-messages-buffers (message "%s" ""))
(message "*** Ignoring arg '%s'" argi)
(setq try-emacs-pop-messages-buffers t)))
(add-hook 'emacs-startup-hook
(lambda ()
(when try-emacs-pop-messages-buffers
(message "%s" "")
(message "Press 'q' to hide this window")
(pop-to-buffer "*Messages*"))
(set-buffer "*scratch*")
(lisp-interaction-mode)
(goto-char (point-min))
(forward-line)
(set-buffer-modified-p nil)))
;; Local Variables:
;; mode: emacs-lisp
;; End:
|