1 files changed, 88 insertions, 0 deletions
diff --git a/guix/scripts/upgrade.scm b/guix/scripts/upgrade.scm
new file mode 100644
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+++ b/guix/scripts/upgrade.scm
@@ -0,0 +1,88 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix scripts upgrade)
+  #:use-module (guix ui)
+  #:use-module (guix scripts package)
+  #:use-module (guix scripts build)
+  #:use-module (guix scripts)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-26)
+  #:use-module (srfi srfi-37)
+  #:use-module (ice-9 match)
+  #:export (guix-upgrade))
+
+(define (show-help)
+  (display (G_ "Usage: guix upgrade [OPTION] [REGEXP]
+Upgrade packages that match REGEXP.
+This is an alias for 'guix package -u'.\n"))
+  (display (G_ "
+  -p, --profile=PROFILE  use PROFILE instead of the user's default profile"))
+  (display (G_ "
+  -v, --verbosity=LEVEL  use the given verbosity LEVEL"))
+  (newline)
+  (show-build-options-help)
+  (newline)
+  (show-transformation-options-help)
+  (newline)
+  (display (G_ "
+  -h, --help             display this help and exit"))
+  (display (G_ "
+  -V, --version          display version information and exit"))
+  (newline)
+  (show-bug-report-information))
+
+(define %options
+  ;; Specification of the command-line options.
+  (cons* (option '(#\h "help") #f #f
+                 (lambda args
+                   (show-help)
+                   (exit 0)))
+         (option '(#\V "version") #f #f
+                 (lambda args
+                   (show-version-and-exit "guix upgrade")))
+
+         ;; Preserve some of the 'guix package' options.
+         (append (filter (lambda (option)
+                           (any (cut member <> (option-names option))
+                                '("profile" "dry-run" "verbosity")))
+                         %package-options)
+
+                 %transformation-options
+                 %standard-build-options)))
+
+(define (guix-upgrade . args)
+  (define (handle-argument arg result arg-handler)
+    ;; Accept at most one non-option argument, and treat it as an upgrade
+    ;; regexp.
+    (match (assq-ref result 'upgrade)
+      (#f
+       (values (alist-cons 'upgrade arg
+                           (alist-delete 'upgrade result))
+               arg-handler))
+      (_
+       (leave (G_ "~A: extraneous argument~%") arg))))
+
+  (define opts
+    (parse-command-line args %options
+                        (list `((upgrade . #f)
+                                ,@%package-default-options)
+                              #f)
+                        #:argument-handler handle-argument))
+
+  (guix-package* opts))