Don't reload packages at startup

Fixes: debbugs:19390

* lisp/emacs-lisp/package.el (package-activate-1): Add RELOAD argument
and a docstring.
(package-activate): Call itself on dependencies on PACKAGE with
the same FORCE argument.  Pass FORCE as RELOAD into
`package-activate-1' .

2 files changed, 16 insertions, 4 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 87c39447d0c..0d5cdd1f848 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,11 @@
+2014-12-18  Dmitry Gutov  <dgutov@yandex.ru>
+
+        * emacs-lisp/package.el (package-activate-1): Add RELOAD argument
+        and a docstring.
+        (package-activate): Call itself on dependencies on PACKAGE with
+        the same FORCE argument.  Pass FORCE as RELOAD into
+        `package-activate-1'  (bug#19390).
+
 2014-12-17  Sam Steingold  <sds@gnu.org>
 
         * emacs-lisp/package.el (package--list-loaded-files): Handle
diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index 199eac5cf6c..1949d0d474c 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -516,7 +516,11 @@ Return the max version (as a string) if the package is held at a lower version."
              force))
           (t (error "Invalid element in `package-load-list'")))))
 
-(defun package-activate-1 (pkg-desc)
+(defun package-activate-1 (pkg-desc &optional reload)
+  "Activate package given by PKG-DESC, even if it was already active.
+If RELOAD is non-nil, also `load' any files inside the package which
+correspond to previously loaded files (those returned by
+`package--list-loaded-files')."
   (let* ((name (package-desc-name pkg-desc))
          (pkg-dir (package-desc-dir pkg-desc))
          (pkg-dir-dir (file-name-as-directory pkg-dir)))
@@ -527,7 +531,7 @@ Return the max version (as a string) if the package is held at a lower version."
     (let* ((old-lp load-path)
            (autoloads-file (expand-file-name
                             (format "%s-autoloads" name) pkg-dir))
-           (loaded-files-list (package--list-loaded-files pkg-dir)))
+           (loaded-files-list (and reload (package--list-loaded-files pkg-dir))))
       (with-demoted-errors (format "Error loading %s: %%s" name)
         (load autoloads-file nil t))
       (when (and (eq old-lp load-path)
@@ -638,14 +642,14 @@ If FORCE is true, (re-)activate it if it's already activated."
              (fail (catch 'dep-failure
                      ;; Activate its dependencies recursively.
                      (dolist (req (package-desc-reqs pkg-vec))
-                       (unless (package-activate (car req) (cadr req))
+                       (unless (package-activate (car req) force)
                          (throw 'dep-failure req))))))
         (if fail
             (warn "Unable to activate package `%s'.
 Required package `%s-%s' is unavailable"
                   package (car fail) (package-version-join (cadr fail)))
           ;; If all goes well, activate the package itself.
-          (package-activate-1 pkg-vec)))))))
+          (package-activate-1 pkg-vec force)))))))
 
 (defun define-package (_name-string _version-string
                                     &optional _docstring _requirements