2 files changed, 30 insertions(+), 2 deletions(-)

M doc/guix.texi
M guix/scripts/package.scm

@@ 947,13 947,23 @@ and/or output name in addition to the package name.  For instance,
 @itemx -u [@var{regexp} @dots{}]
 Upgrade all the installed packages.  If one or more @var{regexp}s are
 specified, upgrade only installed packages whose name matches a
-@var{regexp}.
+@var{regexp}.  Also see the @code{--do-not-upgrade} option below.
 
 Note that this upgrades package to the latest version of packages found
 in the distribution currently installed.  To update your distribution,
 you should regularly run @command{guix pull} (@pxref{Invoking guix
 pull}).
 
+@item --do-not-upgrade[=@var{regexp} @dots{}]
+When used together with the @code{--upgrade} option, do @emph{not}
+upgrade any packages whose name matches a @var{regexp}.  For example, to
+upgrade all packages in the current profile except those containing the
+substring ``emacs'':
+
+@example
+$ guix package --upgrade . --do-not-upgrade emacs
+@end example
+
 @item --roll-back
 Roll back to the previous @dfn{generation} of the profile---i.e., undo
 the last transaction.

@@ 1,7 1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
-;;; Copyright © 2013 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2013, 2015 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.


@@ 465,6 465,8 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n"))
   (display (_ "
   -u, --upgrade[=REGEXP] upgrade all the installed packages matching REGEXP"))
   (display (_ "
+      --do-not-upgrade[=REGEXP] do not upgrade any packages matching REGEXP"))
+  (display (_ "
       --roll-back        roll back to the previous generation"))
   (display (_ "
       --search-paths     display needed environment variable definitions"))


@@ 543,6 545,13 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n"))
                                          ;; would upgrade everything.
                                          (delete '(upgrade . #f) result))
                              arg-handler))))
+         (option '("do-not-upgrade") #f #t
+                 (lambda (opt name arg result arg-handler)
+                   (let arg-handler ((arg arg) (result result))
+                     (values (if arg
+                                 (alist-cons 'do-not-upgrade arg result)
+                                 result)
+                             arg-handler))))
          (option '("roll-back") #f #f
                  (lambda (opt name arg result arg-handler)
                    (values (alist-cons 'roll-back? #t result)


@@ 621,6 630,13 @@ return the new list of manifest entries."
                  (_ #f))
                 opts))
 
+  (define do-not-upgrade-regexps
+    (filter-map (match-lambda
+                 (('do-not-upgrade . regexp)
+                  (make-regexp regexp))
+                 (_ #f))
+                opts))
+
   (define packages-to-upgrade
     (match upgrade-regexps
       (()


@@ 630,6 646,8 @@ return the new list of manifest entries."
                     (($ <manifest-entry> name version output path _)
                      (and (any (cut regexp-exec <> name)
                                upgrade-regexps)
+                          (not (any (cut regexp-exec <> name)
+                                    do-not-upgrade-regexps))
                           (upgradeable? name version path)
                           (let ((output (or output "out")))
                             (call-with-values