notmuch/devel/try-emacs-mua
Daniel Kahn Gillmor 6a833a6e83 Use https instead of http where possible
Many of the external links found in the notmuch source can be resolved
using https instead of http.  This changeset addresses as many as i
could find, without touching the e-mail corpus or expected outputs
found in tests.
2016-06-05 08:32:17 -03:00

157 lines
6 KiB
Bash
Executable file

#!/bin/sh
:; set -x; exec "${EMACS:-emacs}" --debug-init --load "$0" "$@"; exit
;;
;; Try the notmuch emacs client located in ../emacs/ directory
;;
;; Run this without arguments; emacs window opens with some usage information
;;
;; Authors: Tomi Ollila <tomi.ollila@iki.fi>
;;
;; https://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 nil
inhibit-startup-screen t)
(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)
try-notmuch-emacs-directory (concat pdir "emacs/")
load-path (cons try-notmuch-emacs-directory load-path)))
;; 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")
(let ((notmuch-path (executable-find "notmuch")))
(insert "Notmuch CLI executable "
(if notmuch-path (concat "is " notmuch-path) "not found!") "\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)
(let ((error-message-string (error-message-string err)))
(insert "\nLoading notmuch failed: " error-message-string "\n")
(message "Loading notmuch failed: %s" error-message-string)
(insert "See *Messages* buffer for more information.\n")
(if init-file-user
(message "Hint: %s -q (or -Q) may help" load-file-name))
(pop-to-buffer "*Messages*")
(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 ((emacs-init-file-name) (notmuch-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 emacs-init-file-name fn)))
'("~/.emacs.d/init.el" "~/.emacs" "~/.emacs.el"))
(setq notmuch-init-file-name "~/.emacs.d/notmuch-config.el")
(unless (file-exists-p notmuch-init-file-name)
(setq notmuch-init-file-name nil))
(if (and emacs-init-file-name notmuch-init-file-name)
(insert "
If you want to load your initialization files now, evaluate\n* (progn")
(if (or emacs-init-file-name notmuch-init-file-name)
(insert "
If you want to load your initialization file now, evaluate\n*")))
(if emacs-init-file-name
(insert " (load \"" emacs-init-file-name "\")"))
(if notmuch-init-file-name
(insert " (load \"" notmuch-init-file-name "\")"))
(if (and emacs-init-file-name notmuch-init-file-name)
(insert ")"))
(if (or emacs-init-file-name notmuch-init-file-name)
(insert "\n")))
(if (>= emacs-major-version 24)
(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)")
(add-hook 'emacs-startup-hook
(lambda ()
(with-current-buffer "*scratch*"
(lisp-interaction-mode)
(goto-char (point-min))
(forward-line 2)
(set-buffer-modified-p nil))))
;; Local Variables:
;; mode: emacs-lisp
;; End: