gnu/image.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
   3 ;;;
   4 ;;; This file is part of GNU Guix.
   5 ;;;
   6 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   7 ;;; under the terms of the GNU General Public License as published by
   8 ;;; the Free Software Foundation; either version 3 of the License, or (at
   9 ;;; your option) any later version.
  10 ;;;
  11 ;;; GNU Guix is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;;; GNU General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU General Public License
  17 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 (define-module (gnu image)
  20   #:use-module (gnu platform)
  21   #:use-module (guix records)
  22   #:export (partition
  23             partition?
  24             partition-device
  25             partition-size
  26             partition-offset
  27             partition-file-system
  28             partition-file-system-options
  29             partition-label
  30             partition-uuid
  31             partition-flags
  32             partition-initializer
  33
  34             image
  35             image?
  36             image-name
  37             image-format
  38             image-platform
  39             image-size
  40             image-operating-system
  41             image-partition-table-type
  42             image-partitions
  43             image-compression?
  44             image-volatile-root?
  45             image-shared-store?
  46             image-shared-network?
  47             image-substitutable?
  48
  49             image-type
  50             image-type?
  51             image-type-name
  52             image-type-constructor
  53
  54             os->image
  55             os+platform->image))
  56
  57 \f
  58 ;;;
  59 ;;; Partition record.
  60 ;;;
  61
  62 (define-record-type* <partition> partition make-partition
  63   partition?
  64   (device               partition-device (default #f))
  65   (size                 partition-size)
  66   (offset               partition-offset (default 0))
  67   (file-system          partition-file-system (default "ext4"))
  68   (file-system-options  partition-file-system-options
  69                         (default '()))
  70   (label                partition-label (default #f))
  71   (uuid                 partition-uuid (default #f))
  72   (flags                partition-flags (default '()))
  73   (initializer          partition-initializer (default #f)))
  74
  75 \f
  76 ;;;
  77 ;;; Image record.
  78 ;;;
  79
  80 (define-record-type* <image>
  81   image make-image
  82   image?
  83   (name               image-name ;symbol
  84                       (default #f))
  85   (format             image-format) ;symbol
  86   (platform           image-platform ;<platform>
  87                       (default #f))
  88   (size               image-size  ;size in bytes as integer
  89                       (default 'guess))
  90   (operating-system   image-operating-system  ;<operating-system>
  91                       (default #f))
  92   (partition-table-type image-partition-table-type ; 'mbr or 'gpt
  93                       (default 'mbr))
  94   (partitions         image-partitions ;list of <partition>
  95                       (default '()))
  96   (compression?       image-compression? ;boolean
  97                       (default #t))
  98   (volatile-root?     image-volatile-root? ;boolean
  99                       (default #t))
 100   (shared-store?      image-shared-store? ;boolean
 101                       (default #f))
 102   (shared-network?    image-shared-network? ;boolean
 103                       (default #f))
 104   (substitutable?     image-substitutable? ;boolean
 105                       (default #t)))
 106
 107 \f
 108 ;;;
 109 ;;; Image type.
 110 ;;;
 111
 112 (define-record-type* <image-type>
 113   image-type make-image-type
 114   image-type?
 115   (name           image-type-name) ;symbol
 116   (constructor    image-type-constructor)) ;<operating-system> -> <image>
 117
 118 \f
 119 ;;;
 120 ;;; Image creation.
 121 ;;;
 122
 123 (define* (os->image os #:key type)
 124   (let ((constructor (image-type-constructor type)))
 125     (constructor os)))
 126
 127 (define* (os+platform->image os platform #:key type)
 128   (image
 129    (inherit (os->image os #:type type))
 130    (platform platform)))