From: Kaushal Modi <kaushal.modi@gmail.com>
To: Emacs developers <emacs-devel@gnu.org>
Subject: emacs -Q pkg debug helper macro
Date: Tue, 12 Jul 2016 20:31:26 +0000 [thread overview]
Message-ID: <CAFyQvY0rLP+V5d3WOaV2HA8xahuHovx00qZ+T+GGpbgX-Qo=1Q@mail.gmail.com> (raw)
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Hi all,
Recently while debugging the behavior of an external package in an emacs -Q
session, I came up with the below.
Would it be helpful to have this or something similar in the core?
(defmacro emacs-pkg-debug-setup (pkg-alist &rest body)
"Install packages in PKG-ALIST and evaluate BODY.
Each element of PKG-ALIST has the form (((ID . LOCATION) . (PKG1 PKG2 ..))
..).
The ID and LOCATION are the same as the ones in `package-archives'.
PKG1, PKG2, .. are package names from the ID archive.
Example usage:
1. Launch 'emacs -Q'.
2. Copy this macro definition to its scratch buffer and evaluate it.
3. Evaluate a minimum working example using this macro as below:
(emacs-pkg-debug-setup '(((\"org\" . \"http://orgmode.org/elpa/\") .
(org)))
(org-mode)) "
(declare (indent 1) (debug t))
`(progn
(require 'package)
(setq user-emacs-directory (concat temporary-file-directory
(getenv "USER") "/"
".emacs.d-debug/"))
(setq package-user-dir (concat user-emacs-directory "elpa/"))
(let ((pkgs ()))
(dolist (archive-alist ,pkg-alist)
(add-to-list 'package-archives (car archive-alist) :append)
(setq pkgs (append pkgs (cdr archive-alist))))
(package-initialize)
(package-refresh-contents)
(dolist (pkg pkgs)
(package-install pkg)
(require pkg))
,@body
)))
That way, a user can just add something like below in their emacs bug
reports:
(emacs-pkg-debug-setup '((("melpa" . "http://melpa.org/packages/") .
(projectile)))
(projectile-global-mode))
Then anyone can safe evaluate just that little form in a fresh emacs -Q
session, and let the emacs-pkg-debug-setup macro handle the
package-archives updating and package installation. The packages get
installed to "/tmp/$USER/.emacs.d-debug/elpa/" by default.
--
--
Kaushal Modi
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next reply other threads:[~2016-07-12 20:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-12 20:31 Kaushal Modi [this message]
2016-07-12 20:44 ` emacs -Q pkg debug helper macro Stefan Monnier
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