mirror of
https://git.savannah.gnu.org/git/guix.git
synced 2026-06-16 11:14:06 +02:00
Giacomo Leidi
0b8e838208
This patch implements a general API to serialize configuration records to list of pairs representing environment variables. The car of each pair represents the variable name and the cdr the variable value. * gnu/services/configuration/environment-variables.scm: New file. (serialize-string-environment-variable) (serialize-maybe-string-environment-variable) (serialize-boolean-environment-variable) (serialize-maybe-boolean-environment-variable) (serialize-number-environment-variable) (serialize-maybe-number-environment-variable): New variables. (serialize-environment-variables): New variable. * gnu/services/configuration/utils.scm: New file. (uglify-snake-case): New variable. * tests/services/configuration.scm: Add tests for environment serializer. (wrong type for a field): Adjust error location. * doc/guix.texi: Document it. Change-Id: I81a166576f94d3c8f5bf78c82a02183689a3091c Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
36 lines
1.4 KiB
Scheme
36 lines
1.4 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2026 Giacomo Leidi <goodoldpaul@autistici.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services configuration utils)
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#:use-module (ice-9 string-fun)
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#:export (uglify-snake-case))
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(define (uglify-snake-case field-name)
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"Serializes FIELD-NAME, a field name from @code{(gnu services configuration)},
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to a downcased, snake case string representation of the field name. Trailing
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@code{?} in the name are dropped and dashes are replaced with underscores.
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For example the procedure would convert @code{'A-Field?} to @code{\"a_field\"}."
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(define str (symbol->string field-name))
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(string-downcase
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(string-replace-substring
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(if (string-suffix? "?" str)
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(string-drop-right str 1)
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str)
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"-" "_")))
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