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gnu: Lower initrd makers from packages to monadic procedures.

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* gnu/packages/linux-initrd.scm: Remove.
* gnu/system/linux-initrd.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Adjust accordingly.
* gnu/system.scm (<operating-system>): Change default 'initrd' value
  to (gnu-system-initrd).
  (operating-system-derivation): Bind 'operating-system-initrd'.  Pass
  'menu-entry' an initrd file name instead of a package.
* gnu/system/grub.scm (grub-configuration-file): Expect 'initrd' to be
  file name.
This commit is contained in:
Ludovic Courtès 2014-01-29 13:04:00 +01:00
parent 413d5351aa
commit 735c6dd7fa
5 changed files with 46 additions and 96 deletions
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2
gnu-system.am
View file

@ -128,7 +128,6 @@ GNU_SYSTEM_MODULES = \
gnu/packages/libunwind.scm \
gnu/packages/lightning.scm \
gnu/packages/linux.scm \
gnu/packages/linux-initrd.scm \
gnu/packages/lout.scm \
gnu/packages/lsh.scm \
gnu/packages/lsof.scm \
@ -221,6 +220,7 @@ GNU_SYSTEM_MODULES = \
gnu/system/dmd.scm \
gnu/system/grub.scm \
gnu/system/linux.scm \
gnu/system/linux-initrd.scm \
gnu/system/shadow.scm \
gnu/system/vm.scm

15
gnu/system.scm
View file

@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -22,7 +22,6 @@ (define-module (gnu system)
#:use-module (guix records)
#:use-module (guix packages)
#:use-module (guix derivations)
#:use-module (gnu packages linux-initrd)
#:use-module (gnu packages base)
#:use-module (gnu packages bash)
#:use-module (gnu packages admin)
@ -31,6 +30,7 @@ (define-module (gnu system)
#:use-module (gnu system grub)
#:use-module (gnu system shadow)
#:use-module (gnu system linux)
#:use-module (gnu system linux-initrd)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
@ -58,8 +58,8 @@ (define-record-type* <operating-system> operating-system
(default grub))
(bootloader-entries operating-system-bootloader-entries ; list
(default '()))
(initrd operating-system-initrd
(default gnu-system-initrd))
(initrd operating-system-initrd ; monadic derivation
(default (gnu-system-initrd)))
(host-name operating-system-host-name) ; string
@ -321,8 +321,9 @@ (define (operating-system-derivation os)
"--config" ,dmd-conf))))
(kernel -> (operating-system-kernel os))
(kernel-dir (package-file kernel))
(initrd -> (operating-system-initrd os))
(initrd-file (package-file initrd))
(initrd (operating-system-initrd os))
(initrd-file -> (string-append (derivation->output-path initrd)
"/initrd"))
(entries -> (list (menu-entry
(label (string-append
"GNU system with "
@ -331,7 +332,7 @@ (define (operating-system-derivation os)
(linux kernel)
(linux-arguments `("--root=/dev/vda1"
,(string-append "--load=" boot)))
(initrd initrd))))
(initrd initrd-file))))
(grub.cfg (grub-configuration-file entries))
(extras (links (delete-duplicates
(append (append-map service-inputs services)

7
gnu/system/grub.scm
View file

@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -41,7 +41,7 @@ (define-record-type* <menu-entry>
(linux menu-entry-linux)
(linux-arguments menu-entry-linux-arguments
(default '()))
(initrd menu-entry-initrd))
(initrd menu-entry-initrd)) ; file name of the initrd
(define* (grub-configuration-file entries
#:key (default-entry 1) (timeout 5)
@ -66,10 +66,7 @@ (define entry->text
(match-lambda
(($ <menu-entry> label linux arguments initrd)
(mlet %store-monad ((linux (package-file linux "bzImage"
#:system system))
(initrd (package-file initrd "initrd"
#:system system)))
;; XXX: Assume that INITRD is a directory containing an 'initrd' file.
(return (format #f "menuentry ~s {
linux ~a ~a
initrd ~a

101
gnu/packages/linux-initrd.scm → gnu/system/linux-initrd.scm
View file

@ -16,22 +16,18 @@
;;; 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 packages linux-initrd)
(define-module (gnu system linux-initrd)
#:use-module (guix monads)
#:use-module (guix utils)
#:use-module (guix licenses)
#:use-module (guix build-system)
#:use-module ((guix derivations)
#:select (imported-modules compiled-modules %guile-for-build))
#:use-module (gnu packages)
#:use-module (gnu packages cpio)
#:use-module (gnu packages compression)
#:use-module (gnu packages linux)
#:use-module (gnu packages guile)
#:use-module ((gnu packages make-bootstrap)
#:select (%guile-static-stripped))
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system trivial))
#:export (expression->initrd
qemu-initrd
gnu-system-initrd))
;;; Commentary:
@ -42,49 +38,6 @@ (define-module (gnu packages linux-initrd)
;;; Code:
(define-syntax-rule (raw-build-system (store system name inputs) body ...)
"Lift BODY to a package build system."
;; TODO: Generalize.
(build-system
(name "raw")
(description "Raw build system")
(build (lambda* (store name source inputs #:key system #:allow-other-keys)
(parameterize ((%guile-for-build (package-derivation store
guile-2.0)))
body ...)))))
(define (module-package modules)
"Return a package that contains all of MODULES, a list of Guile module
names."
(package
(name "guile-modules")
(version "0")
(source #f)
(build-system (raw-build-system (store system name inputs)
(imported-modules store modules
#:name name
#:system system)))
(synopsis "Set of Guile modules")
(description synopsis)
(license gpl3+)
(home-page "http://www.gnu.org/software/guix/")))
(define (compiled-module-package modules)
"Return a package that contains the .go files corresponding to MODULES, a
list of Guile module names."
(package
(name "guile-compiled-modules")
(version "0")
(source #f)
(build-system (raw-build-system (store system name inputs)
(compiled-modules store modules
#:name name
#:system system)))
(synopsis "Set of compiled Guile modules")
(description synopsis)
(license gpl3+)
(home-page "http://www.gnu.org/software/guix/")))
(define* (expression->initrd exp
#:key
(guile %guile-static-stripped)
@ -212,29 +165,25 @@ (define print0
(and (zero? (system* gzip "--best" "initrd"))
(rename-file "initrd.gz" "initrd")))))))))
(package
(name name)
(version "0")
(source #f)
(build-system trivial-build-system)
(arguments `(#:modules ((guix build utils))
#:builder ,builder))
(inputs `(("guile" ,guile)
("cpio" ,cpio)
("gzip" ,gzip)
("modules" ,(module-package modules))
("modules/compiled" ,(compiled-module-package modules))
,@(if linux
`(("linux" ,linux))
'())))
(synopsis "An initial RAM disk (initrd) for the Linux kernel")
(description
"An initial RAM disk (initrd), really a gzipped cpio archive, for use by
the Linux kernel.")
(license gpl3+)
(home-page "http://www.gnu.org/software/guix/")))
(mlet* %store-monad
((source (imported-modules modules))
(compiled (compiled-modules modules))
(inputs (lower-inputs
`(("guile" ,guile)
("cpio" ,cpio)
("gzip" ,gzip)
("modules" ,source)
("modules/compiled" ,compiled)
,@(if linux
`(("linux" ,linux))
'())))))
(derivation-expression name builder
#:modules '((guix build utils))
#:inputs inputs)))
(define-public qemu-initrd
(define (qemu-initrd)
"Return a monadic derivation that builds an initrd for use in a QEMU guest
where the store is shared with the host."
(expression->initrd
'(begin
(use-modules (srfi srfi-1)
@ -339,8 +288,8 @@ (define-public qemu-initrd
#:linux linux-libre
#:linux-modules '("cifs.ko" "md4.ko" "ecb.ko")))
(define-public gnu-system-initrd
;; Initrd for the GNU system itself, with nothing QEMU-specific.
(define (gnu-system-initrd)
"Initrd for the GNU system itself, with nothing QEMU-specific."
(expression->initrd
'(begin
(use-modules (srfi srfi-1)

17
gnu/system/vm.scm
View file

@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -35,7 +35,6 @@ (define-module (gnu system vm)
#:use-module (gnu packages zile)
#:use-module (gnu packages grub)
#:use-module (gnu packages linux)
#:use-module (gnu packages linux-initrd)
#:use-module (gnu packages package-management)
#:use-module ((gnu packages make-bootstrap)
#:select (%guile-static-stripped))
@ -43,6 +42,7 @@ (define-module (gnu system vm)
#:use-module (gnu system shadow)
#:use-module (gnu system linux)
#:use-module (gnu system linux-initrd)
#:use-module (gnu system grub)
#:use-module (gnu system dmd)
#:use-module (gnu system)
@ -67,7 +67,7 @@ (define* (expression->derivation-in-linux-vm name exp
(system (%current-system))
(inputs '())
(linux linux-libre)
(initrd qemu-initrd)
initrd
(qemu qemu/smb-shares)
(env-vars '())
(modules '())
@ -78,10 +78,10 @@ (define* (expression->derivation-in-linux-vm name exp
(references-graphs #f)
(disk-image-size
(* 100 (expt 2 20))))
"Evaluate EXP in a QEMU virtual machine running LINUX with INITRD. In the
virtual machine, EXP has access to all of INPUTS from the store; it should put
its output files in the `/xchg' directory, which is copied to the derivation's
output when the VM terminates.
"Evaluate EXP in a QEMU virtual machine running LINUX with INITRD (a
derivation). In the virtual machine, EXP has access to all of INPUTS from the
store; it should put its output files in the `/xchg' directory, which is
copied to the derivation's output when the VM terminates.
When MAKE-DISK-IMAGE? is true, then create a QEMU disk image of
DISK-IMAGE-SIZE bytes and return it.
@ -178,6 +178,9 @@ (define builder
(user-builder (text-file "builder-in-linux-vm"
(object->string exp*)))
(coreutils -> (car (assoc-ref %final-inputs "coreutils")))
(initrd (if initrd
(return initrd)
(qemu-initrd))) ; default initrd
(inputs (lower-inputs `(("qemu" ,qemu)
("linux" ,linux)
("initrd" ,initrd)