Add (guix scripts).

* guix/ui.scm: Add missing copyright lines.
  (args-fold*, environment-build-options, %default-argument-handler,
  parse-command-line): Move to ...
* guix/scripts.scm: ...here.  New file.
* guix/scripts/archive.scm: Use it.
* guix/scripts/build.scm: Likewise.
* guix/scripts/download.scm: Likewise.
* guix/scripts/edit.scm: Likewise.
* guix/scripts/environment.scm: Likewise.
* guix/scripts/gc.scm: Likewise.
* guix/scripts/graph.scm: Likewise.
* guix/scripts/hash.scm: Likewise.
* guix/scripts/import/cpan.scm: Likewise.
* guix/scripts/import/cran.scm: Likewise.
* guix/scripts/import/elpa.scm: Likewise.
* guix/scripts/import/gem.scm: Likewise.
* guix/scripts/import/gnu.scm: Likewise.
* guix/scripts/import/hackage.scm: Likewise.
* guix/scripts/import/nix.scm: Likewise.
* guix/scripts/import/pypi.scm: Likewise.
* guix/scripts/lint.scm: Likewise.
* guix/scripts/package.scm: Likewise.
* guix/scripts/publish.scm: Likewise.
* guix/scripts/pull.scm: Likewise.
* guix/scripts/refresh.scm: Likewise.
* guix/scripts/size.scm: Likewise.
* guix/scripts/system.scm: Likewise.
* tests/ui.scm (with-environment-variable, "parse-command-line",
  "parse-command-line and --no options"): Move to ...
* tests/scripts.scm: ...here.  New file.
* Makefile.am (MODULES): Add guix/scripts.scm.
  (SCM_TESTS): Add tests/scripts.scm.
* po/guix/POTFILES.in: Add guix/scripts.scm.

2 files changed, 72 insertions, 40 deletions

diff --git a/tests/scripts.scm b/tests/scripts.scm
new file mode 100644
index 0000000000..3bf41aed4d
--- /dev/null
+++ b/tests/scripts.scm
@@ -0,0 +1,72 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 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-scripts)
+  #:use-module (guix scripts)
+  #:use-module ((guix scripts build)
+                #:select (%standard-build-options))
+  #:use-module (srfi srfi-64))
+
+;; Test the (guix scripts) module.
+
+(define-syntax-rule (with-environment-variable variable value body ...)
+  "Run BODY with VARIABLE set to VALUE."
+  (let ((orig (getenv variable)))
+    (dynamic-wind
+      (lambda ()
+        (setenv variable value))
+      (lambda ()
+        body ...)
+      (lambda ()
+        (if orig
+            (setenv variable orig)
+            (unsetenv variable))))))
+
+
+(test-begin "scripts")
+
+(test-equal "parse-command-line"
+  '((argument . "bar") (argument . "foo")
+    (cores . 10)                                  ;takes precedence
+    (substitutes? . #f) (keep-failed? . #t)
+    (max-jobs . 77) (cores . 42))
+
+  (with-environment-variable "GUIX_BUILD_OPTIONS" "-c 42 -M 77"
+    (parse-command-line '("--keep-failed" "--no-substitutes"
+                          "--cores=10" "foo" "bar")
+                        %standard-build-options
+                        (list '()))))
+
+(test-equal "parse-command-line and --no options"
+  '((argument . "foo")
+    (substitutes? . #f))                          ;takes precedence
+
+  (with-environment-variable "GUIX_BUILD_OPTIONS" "--no-substitutes"
+    (parse-command-line '("foo")
+                        %standard-build-options
+                        (list '((substitutes? . #t))))))
+
+(test-end "scripts")
+
+
+(exit (= (test-runner-fail-count (test-runner-current)) 0))
+
+;;; Local Variables:
+;;; eval: (put 'with-environment-variable 'scheme-indent-function 2)
+;;; End:
diff --git a/tests/ui.scm b/tests/ui.scm
index 1478fe213e..25fc709431 100644
--- a/tests/ui.scm
+++ b/tests/ui.scm
@@ -22,8 +22,6 @@
   #:use-module (guix profiles)
   #:use-module (guix store)
   #:use-module (guix derivations)
-  #:use-module ((guix scripts build)
-                #:select (%standard-build-options))
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-11)
   #:use-module (srfi srfi-19)
@@ -54,43 +52,9 @@ interface, and powerful string processing.")
     (item "/gnu/store/...")
     (output "out")))
 
-(define-syntax-rule (with-environment-variable variable value body ...)
-  "Run BODY with VARIABLE set to VALUE."
-  (let ((orig (getenv variable)))
-    (dynamic-wind
-      (lambda ()
-        (setenv variable value))
-      (lambda ()
-        body ...)
-      (lambda ()
-        (if orig
-            (setenv variable orig)
-            (unsetenv variable))))))
-
 
 (test-begin "ui")
 
-(test-equal "parse-command-line"
-  '((argument . "bar") (argument . "foo")
-    (cores . 10)                                  ;takes precedence
-    (substitutes? . #f) (keep-failed? . #t)
-    (max-jobs . 77) (cores . 42))
-
-  (with-environment-variable "GUIX_BUILD_OPTIONS" "-c 42 -M 77"
-    (parse-command-line '("--keep-failed" "--no-substitutes"
-                          "--cores=10" "foo" "bar")
-                        %standard-build-options
-                        (list '()))))
-
-(test-equal "parse-command-line and --no options"
-  '((argument . "foo")
-    (substitutes? . #f))                          ;takes precedence
-
-  (with-environment-variable "GUIX_BUILD_OPTIONS" "--no-substitutes"
-    (parse-command-line '("foo")
-                        %standard-build-options
-                        (list '((substitutes? . #t))))))
-
 (test-assert "fill-paragraph"
   (every (lambda (column)
            (every (lambda (width)
@@ -282,7 +246,3 @@ Second line" 24))
 
 
 (exit (= (test-runner-fail-count (test-runner-current)) 0))
-
-;;; Local Variables:
-;;; eval: (put 'with-environment-variable 'scheme-indent-function 2)
-;;; End: