summaryrefslogtreecommitdiff
path: root/lisp/emacs-lisp
diff options
context:
space:
mode:
Diffstat (limited to 'lisp/emacs-lisp')
-rw-r--r--lisp/emacs-lisp/package.el30
1 files changed, 26 insertions, 4 deletions
diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index c15c9e079fe..f9a2881a45c 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -4,7 +4,7 @@
;; Author: Tom Tromey <tromey@redhat.com>
;; Created: 10 Mar 2007
-;; Version: 1.0
+;; Version: 1.0.1
;; Keywords: tools
;; This file is part of GNU Emacs.
@@ -234,11 +234,28 @@ a package can run arbitrary code."
:group 'package
:version "24.1")
+(defcustom package-pinned-packages nil
+ "An alist of packages that are pinned to a specific archive
+
+Each element has the form (SYM . ID).
+ SYM is a package, as a symbol.
+ ID is an archive name, as a string. This should correspond to an
+ entry in `package-archives'.
+
+If the archive of name ID does not contain the package SYM, no
+other location will be considered, which will make the
+package unavailable."
+ :type '(alist :key-type (symbol :tag "Package")
+ :value-type (string :tag "Archive name"))
+ :risky t
+ :group 'package
+ :version "24.4")
+
(defconst package-archive-version 1
"Version number of the package archive understood by this file.
Lower version numbers than this will probably be understood as well.")
-(defconst package-el-version "1.0"
+(defconst package-el-version "1.0.1"
"Version of package.el.")
;; We don't prime the cache since it tends to get out of date.
@@ -857,8 +874,13 @@ Also, add the originating archive to the end of the package vector."
(version (package-desc-vers (cdr package)))
(entry (cons name
(vconcat (cdr package) (vector archive))))
- (existing-package (assq name package-archive-contents)))
- (cond ((not existing-package)
+ (existing-package (assq name package-archive-contents))
+ (pinned-to-archive (assoc name package-pinned-packages)))
+ (cond ((and pinned-to-archive
+ ;; If pinned to another archive, skip entirely.
+ (not (equal (cdr pinned-to-archive) archive)))
+ nil)
+ ((not existing-package)
(add-to-list 'package-archive-contents entry))
((version-list-< (package-desc-vers (cdr existing-package))
version)