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 (guix records)
  21   #:export (partition
  22             partition?
  23             partition-device
  24             partition-size
  25             partition-offset
  26             partition-file-system
  27             partition-file-system-options
  28             partition-label
  29             partition-uuid
  30             partition-flags
  31             partition-initializer
  32
  33             image
  34             image?
  35             image-name
  36             image-format
  37             image-target
  38             image-size
  39             image-operating-system
  40             image-partitions
  41             image-compression?
  42             image-volatile-root?
  43             image-substitutable?
  44
  45             image-type
  46             image-type?
  47             image-type-name
  48             image-type-constructor
  49
  50             os->image))
  51
  52 \f
  53 ;;;
  54 ;;; Partition record.
  55 ;;;
  56
  57 (define-record-type* <partition> partition make-partition
  58   partition?
  59   (device               partition-device (default #f))
  60   (size                 partition-size)
  61   (offset               partition-offset (default 0))
  62   (file-system          partition-file-system (default "ext4"))
  63   (file-system-options  partition-file-system-options
  64                         (default '()))
  65   (label                partition-label (default #f))
  66   (uuid                 partition-uuid (default #f))
  67   (flags                partition-flags (default '()))
  68   (initializer          partition-initializer (default #f)))
  69
  70 \f
  71 ;;;
  72 ;;; Image record.
  73 ;;;
  74
  75 (define-record-type* <image>
  76   image make-image
  77   image?
  78   (name               image-name ;symbol
  79                       (default #f))
  80   (format             image-format) ;symbol
  81   (target             image-target
  82                       (default #f))
  83   (size               image-size  ;size in bytes as integer
  84                       (default 'guess))
  85   (operating-system   image-operating-system  ;<operating-system>
  86                       (default #f))
  87   (partitions         image-partitions ;list of <partition>
  88                       (default '()))
  89   (compression?       image-compression? ;boolean
  90                       (default #t))
  91   (volatile-root?     image-volatile-root? ;boolean
  92                       (default #t))
  93   (substitutable?     image-substitutable? ;boolean
  94                       (default #t)))
  95
  96 \f
  97 ;;;
  98 ;;; Image type.
  99 ;;;
 100
 101 (define-record-type* <image-type>
 102   image-type make-image-type
 103   image-type?
 104   (name           image-type-name) ;symbol
 105   (constructor    image-type-constructor)) ;<operating-system> -> <image>
 106
 107 \f
 108 ;;;
 109 ;;; Image creation.
 110 ;;;
 111
 112 (define* (os->image os #:key type)
 113   (let ((constructor (image-type-constructor type)))
 114     (constructor os)))