diff mbox series

[bug#58972,1/3] guix: ui: Handle single outputs.

Message ID 27e3e24474785ec4cf75607b4cdec9631a081bcd.camel@gmail.com
State New
Headers show
Series Improve output descriptions | expand

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Commit Message

Liliana Marie Prikler Nov. 2, 2022, 8:01 p.m. UTC
The current code says "out" contains "everything else", even if there's no
other output to contain anything.

* guix/ui.scm (package->recutils)[default-output-synopses]: New variable.
[output->recutils]: Take default synopses as argument.
["outputs"]: Distinguish single and multiple outputs.
---
 guix/ui.scm | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

Comments

Simon Tournier Nov. 3, 2022, 9:01 a.m. UTC | #1
Hi,

On Wed, 02 Nov 2022 at 21:01, Liliana Marie Prikler <liliana.prikler@gmail.com> wrote:

> The current code says "out" contains "everything else", even if there's no
> other output to contain anything.
>
> * guix/ui.scm (package->recutils)[default-output-synopses]: New variable.
> [output->recutils]: Take default synopses as argument.
> ["outputs"]: Distinguish single and multiple outputs.
> ---
>  guix/ui.scm | 29 ++++++++++++++++++++---------
>  1 file changed, 20 insertions(+), 9 deletions(-)

LGTM.


> +  (define %default-output-synopses

[...]

> +      ("out" . ,(G_ "everything else"))))
> +
> +  (define* (output->recutils package output #:optional
> +                             (default-synopses %default-output-synopses))

[...]

> +      (assoc-ref default-synopses output)

Out of curiosity…

> +  (match (package-outputs/out-last p)
> +    (("out")                            ; one output has everything
> +     (format port "outputs:~%~a~%"
> +             (output->recutils p "out"
> +                               (cons `("out" . ,(G_ "everything"))
> +                                     %default-output-synopses))))

…is this ’cons’ instead of deletion because of performance?


Cheers,
simon
Liliana Marie Prikler Nov. 3, 2022, 7:19 p.m. UTC | #2
Am Donnerstag, dem 03.11.2022 um 10:01 +0100 schrieb zimoun:
> Hi,
> 
> On Wed, 02 Nov 2022 at 21:01, Liliana Marie Prikler
> <liliana.prikler@gmail.com> wrote:
> 
> > The current code says "out" contains "everything else", even if
> > there's no
> > other output to contain anything.
> > 
> > * guix/ui.scm (package->recutils)[default-output-synopses]: New
> > variable.
> > [output->recutils]: Take default synopses as argument.
> > ["outputs"]: Distinguish single and multiple outputs.
> > ---
> >  guix/ui.scm | 29 ++++++++++++++++++++---------
> >  1 file changed, 20 insertions(+), 9 deletions(-)
> 
> LGTM.
> 
> 
> > +  (define %default-output-synopses
> 
> [...]
> 
> > +      ("out" . ,(G_ "everything else"))))
> > +
> > +  (define* (output->recutils package output #:optional
> > +                             (default-synopses %default-output-
> > synopses))
> 
> [...]
> 
> > +      (assoc-ref default-synopses output)
> 
> Out of curiosity…
> 
> > +  (match (package-outputs/out-last p)
> > +    (("out")                            ; one output has
> > everything
> > +     (format port "outputs:~%~a~%"
> > +             (output->recutils p "out"
> > +                               (cons `("out" . ,(G_ "everything"))
> > +                                     %default-output-synopses))))
> 
> …is this ’cons’ instead of deletion because of performance?
It makes no functional difference and we only want non-destructive
changes.  That being said, perhaps alist-cons should have been used
instead.

Cheers
diff mbox series

Patch

diff --git a/guix/ui.scm b/guix/ui.scm
index dad2b853ac..60b09bf6e4 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -1512,7 +1512,15 @@  (define (dependencies->recutils packages)
                                    (sort packages package<?))) " ")))
       (split-lines list (string-length "dependencies: "))))
 
-  (define (output->recutils package output)
+  (define %default-output-synopses
+    `(("bin" . ,(G_ "executable programs and scripts"))
+      ("debug" . ,(G_ "debug information"))
+      ("lib" . ,(G_ "shared libraries"))
+      ("static" . ,(G_ "static libraries"))
+      ("out" . ,(G_ "everything else"))))
+
+  (define* (output->recutils package output #:optional
+                             (default-synopses %default-output-synopses))
     (string-append
      "+ " output ": "
      (or
@@ -1522,12 +1530,7 @@  (define (output->recutils package output)
           (and (string=? key output) (P_ synopsis)))
          (_ #f))
        (package-properties package))
-      (assoc-ref `(("bin" . ,(G_ "executable programs and scripts"))
-                   ("debug" . ,(G_ "debug information"))
-                   ("lib" . ,(G_ "shared libraries"))
-                   ("static" . ,(G_ "static libraries"))
-                   ("out" . ,(G_ "everything else")))
-                 output)
+      (assoc-ref default-synopses output)
       (G_ "see Appendix H"))))
 
   (define (package-outputs/out-last package)
@@ -1546,8 +1549,16 @@  (define highlighting*
   ;; Note: Don't i18n field names so that people can post-process it.
   (format port "name: ~a~%" (highlight (package-name p) port*))
   (format port "version: ~a~%" (highlight (package-version p) port*))
-  (format port "outputs:~%~{~a~%~}"
-          (map (cut output->recutils p <>) (package-outputs/out-last p)))
+  (match (package-outputs/out-last p)
+    (("out")                            ; one output has everything
+     (format port "outputs:~%~a~%"
+             (output->recutils p "out"
+                               (cons `("out" . ,(G_ "everything"))
+                                     %default-output-synopses))))
+    (outputs                            ; multiple outputs
+     (format port "outputs:~%~{~a~%~}"
+             (map (cut output->recutils p <>) (package-outputs/out-last p)))))
+
   (format port "systems: ~a~%"
           (split-lines (string-join (package-transitive-supported-systems p))
                        (string-length "systems: ")))