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scripts/import: Use pretty printer from (guix scripts style).

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* guix/scripts/import.scm (guix-import): Use pretty-print-with-comments.
(newline-rewriting-port): Remove procedure.
This commit is contained in:
Ricardo Wurmus 2022-05-27 10:07:26 +02:00
parent f383838a09
commit 371a83b764
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GPG key ID: 197A5888235FACAC
1 changed files with 3 additions and 36 deletions
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39
guix/scripts/import.scm
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@ -2,7 +2,7 @@
;;; Copyright © 2012, 2013, 2014, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 David Thompson <davet@gnu.org>
;;; Copyright © 2018 Kyle Meyer <kyle@kyleam.com>
;;; Copyright © 2019 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2019, 2022 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2022 Philip McGrath <philip@philipmcgrath.com>
@ -25,6 +25,7 @@
(define-module (guix scripts import)
#:use-module (guix ui)
#:use-module (guix scripts)
#:use-module (guix scripts style)
#:use-module (guix utils)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
@ -32,41 +33,9 @@ (define-module (guix scripts import)
#:use-module (srfi srfi-37)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (ice-9 pretty-print)
#:export (%standard-import-options
guix-import))
;;;
;;; Helper.
;;;
(define (newline-rewriting-port output)
"Return an output port that rewrites strings containing the \\n escape
to an actual newline. This works around the behavior of `pretty-print'
and `write', which output these as \\n instead of actual newlines,
whereas we want the `description' field to contain actual newlines
rather than \\n."
(define (write-string str)
(let loop ((chars (string->list str)))
(match chars
(()
#t)
((#\\ #\n rest ...)
(newline output)
(loop rest))
((chr rest ...)
(write-char chr output)
(loop rest)))))
(make-soft-port (vector (cut write-char <>)
write-string
(lambda _ #t) ; flush
#f
(lambda _ #t) ; close
#f)
"w"))
;;;
;;; Command line options.
@ -119,9 +88,7 @@ (define-command (guix-import . args)
((importer args ...)
(if (member importer importers)
(let ((print (lambda (expr)
(pretty-print expr (newline-rewriting-port
(current-output-port))
#:max-expr-width 80))))
(pretty-print-with-comments (current-output-port) expr))))
(match (apply (resolve-importer importer) args)
((and expr (or ('package _ ...)
('let _ ...)