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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2026 Giacomo Leidi <goodoldpaul@autistici.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu services configuration utils)
#:use-module (ice-9 string-fun)
#:export (uglify-snake-case))
(define (uglify-snake-case field-name)
"Serializes FIELD-NAME, a field name from @code{(gnu services configuration)},
to a downcased, snake case string representation of the field name. Trailing
@code{?} in the name are dropped and dashes are replaced with underscores.
For example the procedure would convert @code{'A-Field?} to @code{\"a_field\"}."
(define str (symbol->string field-name))
(string-downcase
(string-replace-substring
(if (string-suffix? "?" str)
(string-drop-right str 1)
str)
"-" "_")))
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