;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com> ;;; ;;; 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 image) #:use-module (guix platform) #:use-module (guix records) #:use-module (guix diagnostics) #:use-module (guix i18n) #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) #:export (partition partition? partition-device partition-size partition-offset partition-file-system partition-file-system-options partition-label partition-uuid partition-flags partition-initializer image image? image-name image-format image-platform image-size image-operating-system image-partition-table-type image-partitions image-compression? image-volatile-root? image-shared-store? image-shared-network? image-substitutable? image-type image-type? image-type-name image-type-constructor os->image os+platform->image)) ;;; ;;; Partition record. ;;; (define-record-type* <partition> partition make-partition partition? (device partition-device (default #f)) (size partition-size) (offset partition-offset (default 0)) (file-system partition-file-system (default "ext4")) (file-system-options partition-file-system-options (default '())) (label partition-label (default #f)) (uuid partition-uuid (default #f)) (flags partition-flags (default '())) (initializer partition-initializer (default #f))) ;gexp | #f ;;; ;;; Image record. ;;; (define-syntax-rule (define-set-sanitizer name field set) "Define NAME as a procedure or macro that raises an error if passed a value that is not in SET, mentioning FIELD in the error message." (define-with-syntax-properties (name (value properties)) (unless (memq value 'set) (raise (make-compound-condition (condition (&error-location (location (source-properties->location properties)))) (formatted-message (G_ "~s: invalid '~a' value") value 'field)))) value)) (define-set-sanitizer validate-image-format format (disk-image compressed-qcow2 docker iso9660)) (define-set-sanitizer validate-partition-table-type partition-table-type (mbr gpt)) (define-record-type* <image> image make-image image? (name image-name ;symbol (default #f)) (format image-format ;symbol (sanitize validate-image-format)) (platform image-platform ;<platform> (default #f)) (size image-size ;size in bytes as integer (default 'guess)) (operating-system image-operating-system ;<operating-system> (default #f)) (partition-table-type image-partition-table-type ; 'mbr or 'gpt (default 'mbr) (sanitize validate-partition-table-type)) (partitions image-partitions ;list of <partition> (default '())) (compression? image-compression? ;boolean (default #t)) (volatile-root? image-volatile-root? ;boolean (default #t)) (shared-store? image-shared-store? ;boolean (default #f)) (shared-network? image-shared-network? ;boolean (default #f)) (substitutable? image-substitutable? ;boolean (default #t))) ;;; ;;; Image type. ;;; (define-record-type* <image-type> image-type make-image-type image-type? (name image-type-name) ;symbol (constructor image-type-constructor)) ;<operating-system> -> <image> ;;; ;;; Image creation. ;;; (define* (os->image os #:key type) (let ((constructor (image-type-constructor type))) (constructor os))) (define* (os+platform->image os platform #:key type) (image (inherit (os->image os #:type type)) (platform platform)))