guix package: Allow removal of a specific package output.

Fixes <http://bugs.gnu.org/15756>.

* guix/profiles.scm (<manifest-pattern>): New record type.
  (remove-manifest-entry): Remove.
  (entry-predicate, manifest-matching-entries): New procedures.
  (manifest-remove): Accept a list of <manifest-pattern>.
  (manifest-installed?): Replace 'name' parameter by 'pattern', a
  <manifest-pattern>.
* guix/scripts/package.scm (options->removable): Return a list of
  <manifest-pattern>.
  (guix-package)[process-action]: Use 'manifest-matching-entries' to
  compute the list of packages to remove.
* tests/profiles.scm: New file.
* Makefile.am (SCM_TESTS): Add it.

1 files changed, 97 insertions, 0 deletions

diff --git a/tests/profiles.scm b/tests/profiles.scm
new file mode 100644
index 0000000000..8ead6e6968
--- /dev/null
+++ b/tests/profiles.scm
@@ -0,0 +1,97 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 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 (test-profiles)
+  #:use-module (guix profiles)
+  #:use-module (ice-9 match)
+  #:use-module (srfi srfi-64))
+
+;; Test the (guix profile) module.
+
+
+;; Example manifest entries.
+
+(define guile-2.0.9
+  (manifest-entry
+    (name "guile")
+    (version "2.0.9")
+    (path "/gnu/store/...")
+    (output "out")))
+
+(define guile-2.0.9:debug
+  (manifest-entry (inherit guile-2.0.9)
+    (output "debug")))
+
+
+(test-begin "profiles")
+
+(test-assert "manifest-installed?"
+  (let ((m (manifest (list guile-2.0.9 guile-2.0.9:debug))))
+    (and (manifest-installed? m (manifest-pattern (name "guile")))
+         (manifest-installed? m (manifest-pattern
+                                  (name "guile") (output "debug")))
+         (manifest-installed? m (manifest-pattern
+                                  (name "guile") (output "out")
+                                  (version "2.0.9")))
+         (not (manifest-installed?
+               m (manifest-pattern (name "guile") (version "1.8.8"))))
+         (not (manifest-installed?
+               m (manifest-pattern (name "guile") (output "foobar")))))))
+
+(test-assert "manifest-matching-entries"
+  (let* ((e (list guile-2.0.9 guile-2.0.9:debug))
+         (m (manifest e)))
+    (and (null? (manifest-matching-entries m
+                                           (list (manifest-pattern
+                                                   (name "python")))))
+         (equal? e
+                 (manifest-matching-entries m
+                                            (list (manifest-pattern
+                                                    (name "guile")
+                                                    (output #f)))))
+         (equal? (list guile-2.0.9)
+                 (manifest-matching-entries m
+                                            (list (manifest-pattern
+                                                    (name "guile")
+                                                    (version "2.0.9"))))))))
+
+(test-assert "manifest-remove"
+  (let* ((m0 (manifest (list guile-2.0.9 guile-2.0.9:debug)))
+         (m1 (manifest-remove m0
+                              (list (manifest-pattern (name "guile")))))
+         (m2 (manifest-remove m1
+                              (list (manifest-pattern (name "guile"))))) ; same
+         (m3 (manifest-remove m2
+                              (list (manifest-pattern
+                                      (name "guile") (output "debug")))))
+         (m4 (manifest-remove m3
+                              (list (manifest-pattern (name "guile"))))))
+    (match (manifest-entries m2)
+      ((($ <manifest-entry> "guile" "2.0.9" "debug"))
+       (and (equal? m1 m2)
+            (null? (manifest-entries m3))
+            (null? (manifest-entries m4)))))))
+
+(test-end "profiles")
+
+
+(exit (= (test-runner-fail-count (test-runner-current)) 0))
+
+;;; Local Variables:
+;;; eval: (put 'dummy-package 'scheme-indent-function 1)
+;;; End: