notmuch/devel/try-emacs-mua
David Bremner 126347b694 Import notmuch_0.38.2.orig.tar.xz
[dgit import orig notmuch_0.38.2.orig.tar.xz]
2023-12-01 07:51:09 -04:00

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#!/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)))
(define-advice require
(:before (feature &optional _filename _noerror) notmuch)
(unless (featurep feature)
(message "require: %s" feature)))
(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: