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* [bug#33454] [PATCH] describe: Add profile option.
@ 2018-11-21  8:59 Oleg Pykhalov
  2018-11-21  9:40 ` Ludovic Courtès
  2018-11-21 14:27 ` [bug#33454] [PATCH] describe: Delete directory argument from 'display-checkout-info' Oleg Pykhalov
  0 siblings, 2 replies; 6+ messages in thread
From: Oleg Pykhalov @ 2018-11-21  8:59 UTC (permalink / raw)
  To: 33454

* guix/scripts/describe.scm (%options): Add profile option.
(show-help): Document this.
(display-checkout-info): Check for profile argument.
* doc/guix.texi (Invoking guix describe): Document this.
---
 doc/guix.texi             |  4 ++++
 guix/scripts/describe.scm | 15 +++++++++++----
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 3e7b0a9f4..274d4dfd1 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3278,6 +3278,10 @@ guix pull});
 @cindex JSON
 produce a list of channel specifications in JSON format.
 @end table
+
+@item --profile=@var{profile}
+@itemx -p @var{profile}
+Display information in the given @var{profile}.
 @end table
 
 @node Invoking guix pack
diff --git a/guix/scripts/describe.scm b/guix/scripts/describe.scm
index 53195b423..251be8c21 100644
--- a/guix/scripts/describe.scm
+++ b/guix/scripts/describe.scm
@@ -42,6 +42,10 @@
                   (unless (member arg '("human" "channels" "json"))
                     (leave (G_ "~a: unsupported output format~%") arg))
                   (alist-cons 'format (string->symbol arg) result)))
+        (option '(#\p "profile") #t #f
+                (lambda (opt name arg result)
+                  (alist-cons 'profile (canonicalize-profile arg)
+                              result)))
         (option '(#\h "help") #f #f
                 (lambda args
                   (show-help)
@@ -59,6 +63,8 @@
 Display information about the channels currently in use.\n"))
   (display (G_ "
   -f, --format=FORMAT    display information in the given FORMAT"))
+  (display (G_ "
+  -p, --profile=PROFILE  display information in the given PROFILE"))
   (newline)
   (display (G_ "
   -h, --help             display this help and exit"))
@@ -79,11 +85,11 @@ Display information about the channels currently in use.\n"))
         (format #t (G_ "~%;; warning: GUIX_PACKAGE_PATH=\"~a\"~%")
                 string))))))
 
-(define (display-checkout-info fmt)
+(define* (display-checkout-info fmt #:optional directory)
   "Display information about the current checkout according to FMT, a symbol
 denoting the requested format.  Exit if the current directory does not lie
 within a Git checkout."
-  (let* ((program    (car (command-line)))
+  (let* ((program    (or directory (car (command-line))))
          (directory  (catch 'git-error
                        (lambda ()
                          (repository-discover (dirname program)))
@@ -171,9 +177,10 @@ in the format specified by FMT."
                                       name))
                              cons
                              %default-options))
-         (format (assq-ref opts 'format)))
+         (format (assq-ref opts 'format))
+         (profile (or (assq-ref opts 'profile) (current-profile))))
     (with-error-handling
-      (match (current-profile)
+      (match profile
         (#f
          (display-checkout-info format))
         (profile
-- 
2.19.1

^ permalink raw reply related	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2018-11-27 17:15 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-11-21  8:59 [bug#33454] [PATCH] describe: Add profile option Oleg Pykhalov
2018-11-21  9:40 ` Ludovic Courtès
2018-11-21 11:48   ` Oleg Pykhalov
2018-11-21 14:27 ` [bug#33454] [PATCH] describe: Delete directory argument from 'display-checkout-info' Oleg Pykhalov
2018-11-27 10:25   ` Ludovic Courtès
2018-11-27 17:13     ` Oleg Pykhalov

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