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[bug#40149] [PATCH 2/5] ui: Add 'indented-string'.
From: |
Ludovic Courtès |
Subject: |
[bug#40149] [PATCH 2/5] ui: Add 'indented-string'. |
Date: |
Fri, 20 Mar 2020 15:09:07 +0100 |
* guix/scripts/pull.scm (display-news-entry): Remove extra space in
format string for 'indented-string'.
(indented-string): Remove.
(display-new/upgraded-packages)[pretty]: Pass #:initial-indent? to
'indented-string'.
* guix/ui.scm (indented-string): New procedure.
---
guix/scripts/pull.scm | 17 ++---------------
guix/ui.scm | 18 ++++++++++++++++++
2 files changed, 20 insertions(+), 15 deletions(-)
diff --git a/guix/scripts/pull.scm b/guix/scripts/pull.scm
index 51d4da209a..1db5ab7237 100644
--- a/guix/scripts/pull.scm
+++ b/guix/scripts/pull.scm
@@ -269,7 +269,7 @@ code, to PORT."
(let ((body (or (assoc-ref body language)
(assoc-ref body (%default-message-language))
"")))
- (format port " ~a~%"
+ (format port "~a~%"
(indented-string
(parameterize ((%text-width (- (%text-width) 4)))
(string-trim-right
@@ -523,19 +523,6 @@ true, display what would be built without actually
building it."
;;; Queries.
;;;
-(define (indented-string str indent)
- "Return STR with each newline preceded by IDENT spaces."
- (define indent-string
- (make-list indent #\space))
-
- (list->string
- (string-fold-right (lambda (chr result)
- (if (eqv? chr #\newline)
- (cons chr (append indent-string result))
- (cons chr result)))
- '()
- str)))
-
(define profile-package-alist
(mlambda (profile)
"Return a name/version alist representing the packages in PROFILE."
@@ -592,7 +579,7 @@ Return true when there is more package info to display."
(define (pretty str column)
(indented-string (fill-paragraph str (- (%text-width) 4)
column)
- 4))
+ 4 #:initial-indent? #f))
(define concise/max-item-count
;; Maximum number of items to display when CONCISE? is true.
diff --git a/guix/ui.scm b/guix/ui.scm
index 6f1ca9c0b2..698111dd9a 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -103,6 +103,7 @@
read/eval
read/eval-package-expression
check-available-space
+ indented-string
fill-paragraph
%text-width
texi->plain-text
@@ -1163,6 +1164,23 @@ replacement if PORT is not Unicode-capable."
(lambda ()
body ...)))))
+(define* (indented-string str indent
+ #:key (initial-indent? #t))
+ "Return STR with each newline preceded by IDENT spaces. When
+INITIAL-INDENT? is true, the first line is also indented."
+ (define indent-string
+ (make-list indent #\space))
+
+ (list->string
+ (string-fold-right (lambda (chr result)
+ (if (eqv? chr #\newline)
+ (cons chr (append indent-string result))
+ (cons chr result)))
+ '()
+ (if initial-indent?
+ (string-append (list->string indent-string) str)
+ str))))
+
(define* (fill-paragraph str width #:optional (column 0))
"Fill STR such that each line contains at most WIDTH characters, assuming
that the first character is at COLUMN.
--
2.25.1