diff options
| -rw-r--r-- | gnu/installer/locale.scm | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/gnu/installer/locale.scm b/gnu/installer/locale.scm index 2b45b2200a..284062a6e7 100644 --- a/gnu/installer/locale.scm +++ b/gnu/installer/locale.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com> +;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -69,6 +70,24 @@ (codeset . ,(match:substring matches 5)) (modifier . ,(match:substring matches 7))))) +(define (normalize-codeset codeset) + "Compute the \"normalized\" variant of CODESET." + ;; info "(libc) Using gettextized software", for the algorithm used to + ;; compute the normalized codeset. + (letrec-syntax ((-> (syntax-rules () + ((_ proc value) + (proc value)) + ((_ proc rest ...) + (proc (-> rest ...)))))) + (-> (lambda (str) + (if (string-every char-set:digit str) + (string-append "iso" str) + str)) + string-downcase + (lambda (str) + (string-filter char-set:letter+digit str)) + codeset))) + (define (locale->locale-string locale) "Reverse operation of locale-string->locale." (let ((language (locale-language locale)) @@ -81,7 +100,7 @@ `("_" ,territory) '()) ,@(if codeset - `("." ,codeset) + `("." ,(normalize-codeset codeset)) '()) ,@(if modifier `("@" ,modifier) |