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;;; el-get --- Manage the external elisp bits and pieces you depend upon
;; Copyright (C) 2010-2011 Dimitri Fontaine
;; Author: Dimitri Fontaine <>
;; URL:
;; GIT:
;; Licence: WTFPL, grab your copy here:
;; This file is NOT part of GNU Emacs.
;; Install
;; Please see the README.asciidoc file from the same distribution
(require 'el-get-core)
(require 'help-mode) ; byte-compiling needs to know about xref-type buttons
;; we support notifications on darwin too, thanks to growlnotify
(defcustom el-get-growl-notify-path "/usr/local/bin/growlnotify"
"Absolute path of the growlnotify tool"
:group 'el-get
:type 'file)
(define-obsolete-variable-alias 'el-get-growl-notify 'el-get-growl-notify-path "4.0")
;; notify user with emacs notifications API (new in 24)
(when (and (eq system-type 'darwin)
(file-executable-p el-get-growl-notify-path))
(defun el-get-growl (title message)
"Send a message to growl, that implements notifications for darwin"
(let* ((name "*growl*")
(start-process name name el-get-growl-notify-path title "-a" "Emacs")))
(process-send-string proc (concat message "\n"))
(process-send-eof proc))))
(defcustom el-get-notify-type 'both
"Type of notification to use for changes in package statuses
Choices are `graphical', `message', or `both'. Note that if
graphical notification is impossible, `message' will be used as a
:group 'el-get
:type '(choice (const :tag "Graphical notifications" graphical)
(const :tag "Minibuffer message" message)
(const :tag "Graphical & Minibuffer" both)))
;; Notification support is either the internal one provided by Emacs 24, or
;; the external growl one as defined above, or the one provided by the
;; add-on found on (there's a
;; recipe) for older Emacs versions users
(defun el-get-notify (title message)
"Notify the user using either the dbus based API or the `growl' one"
(when (not (eq el-get-notify-type 'message))
(unless (and (fboundp 'dbus-register-signal)
;; avoid a bug in Emacs 24.0 under darwin
(ignore-errors (require 'notifications nil t)))
;; else try notify.el, there's a recipe for it
(unless (fboundp 'notify)
(ignore-errors (require 'notify nil 'noerror)))))
(condition-case nil
;; Message only
((equal el-get-notify-type 'message) (error "Use `message' instead"))
;; Graphical notification
((fboundp 'notifications-notify) (notifications-notify :title title
:app-name "el-get"
:app-icon (concat
(el-get-package-directory "el-get")
:body message))
((fboundp 'notify) (notify title message))
((fboundp 'el-get-growl) (el-get-growl title message))
;; Fallback
(t (error "Fallback to `message'")))
;; Handle "both"
(when (equal el-get-notify-type 'both)
(error "Fallback to `message' even though graphical notification succeeded")))
;; when notification function errored out, degrade gracefully to `message'
(error (message "%s: %s" title message))))
(defun el-get-post-install-notification (package)
"Notify the PACKAGE has been installed."
(el-get-notify (format "%s installed" package)
"This package has been installed successfully by el-get."))
(add-hook 'el-get-post-install-hooks 'el-get-post-install-notification)
(defun el-get-post-update-notification (package)
"Notify the PACKAGE has been updated."
(el-get-notify (format "%s updated" package)
"This package has been updated successfully by el-get."))
(add-hook 'el-get-post-update-hooks 'el-get-post-update-notification)
(defun el-get-post-remove-notification (package)
"Notify the PACKAGE has been removed."
(el-get-notify (format "%s removed" package)
"This package has been removed successfully by el-get."))
(add-hook 'el-get-post-remove-hooks 'el-get-post-remove-notification)
(defun el-get-post-error-notification (package info)
"Notify the PACKAGE has failed to install."
(el-get-notify (format "%s failed to install" package)
(format "%s" info)))
(add-hook 'el-get-post-error-hooks 'el-get-post-error-notification)
;; Emacs `message' notifications
(defun el-get-post-init-message (package)
"After PACKAGE init is done, just message about it"
(el-get-verbose-message "el-get initialized package %s" package))
(add-hook 'el-get-post-init-hooks 'el-get-post-init-message)
(defun el-get-post-update-message (package)
"After PACKAGE update is done, message about it"
(el-get-verbose-message "el-get updated package %s" package))
(add-hook 'el-get-post-update-hooks 'el-get-post-update-message)
(defun el-get-post-remove-message (package)
"After PACKAGE remove is done, message about it"
(el-get-verbose-message "el-get removed package %s" package))
(add-hook 'el-get-post-remove-hooks 'el-get-post-remove-message)
(defun el-get-post-error-message (package info)
"After PACKAGE fails to install, just message about it"
(el-get-verbose-message "el-get failed to initialize package %s" package))
(add-hook 'el-get-post-error-hooks 'el-get-post-error-message)
(provide 'el-get-notify)
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