From d5f01e48e0810147c4f304a0e5c661e5a61e08ff Mon Sep 17 00:00:00 2001
From: Mark H Weaver <mhw@netris.org>
Date: Thu, 26 Mar 2015 17:25:09 -0400
Subject: guix package: Add '--do-not-upgrade' option.

* guix/scripts/package.scm (%options): Add the '--do-not-upgrade' option.
  (show-help): Document it.
  (options->installable): Add 'do-not-upgrade-regexps' variable.
  Use it in 'packages-to-upgrade'.
* doc/guix.texi (Invoking guix package): Document the '--do-not-upgrade'
  option.
---
 guix/scripts/package.scm | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'guix')

diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index 09ae782751..53813c14ab 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -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.
@@ -464,6 +464,8 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n"))
   -r, --remove=PACKAGE   remove PACKAGE"))
   (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 (_ "
@@ -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
-- 
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