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linux-initrd: Avoid monadic style a bit.

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* gnu/system/linux-initrd.scm (expression->initrd): Use 'program-file'
for 'init'.
(flat-linux-module-directory): Use 'computed-file' instead of
'gexp->derivation'.
(raw-initrd): Adjust accordingly.
This commit is contained in:
Ludovic Courtès 2017-07-04 22:05:21 +02:00
parent e208bf789c
commit 6d9a859038
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1 changed files with 50 additions and 48 deletions
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98
gnu/system/linux-initrd.scm
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@ -68,24 +68,25 @@ (define* (expression->initrd exp
;; General Linux overview in `Documentation/early-userspace/README' and
;; `Documentation/filesystems/ramfs-rootfs-initramfs.txt'.
(mlet %store-monad ((init (gexp->script "init" exp
#:guile guile)))
(define builder
(with-imported-modules (source-module-closure
'((gnu build linux-initrd)))
#~(begin
(use-modules (gnu build linux-initrd))
(define init
(program-file "init" exp #:guile guile))
(mkdir #$output)
(build-initrd (string-append #$output "/initrd")
#:guile #$guile
#:init #$init
;; Copy everything INIT refers to into the initrd.
#:references-graphs '("closure")
#:gzip (string-append #$gzip "/bin/gzip")))))
(define builder
(with-imported-modules (source-module-closure
'((gnu build linux-initrd)))
#~(begin
(use-modules (gnu build linux-initrd))
(gexp->derivation name builder
#:references-graphs `(("closure" ,init)))))
(mkdir #$output)
(build-initrd (string-append #$output "/initrd")
#:guile #$guile
#:init #$init
;; Copy everything INIT refers to into the initrd.
#:references-graphs '("closure")
#:gzip (string-append #$gzip "/bin/gzip")))))
(gexp->derivation name builder
#:references-graphs `(("closure" ,init))))
(define (flat-linux-module-directory linux modules)
"Return a flat directory containing the Linux kernel modules listed in
@ -132,7 +133,7 @@ (define modules
(basename module))))
(delete-duplicates modules)))))
(gexp->derivation "linux-modules" build-exp))
(computed-file "linux-modules" build-exp))
(define* (raw-initrd file-systems
#:key
@ -165,40 +166,41 @@ (define device-mapping-commands
(open source target)))
mapped-devices))
(mlet %store-monad ((kodir (flat-linux-module-directory linux
linux-modules)))
(expression->initrd
(with-imported-modules (source-module-closure
'((gnu build linux-boot)
(guix build utils)
(guix build bournish)
(gnu build file-systems)))
#~(begin
(use-modules (gnu build linux-boot)
(guix build utils)
(guix build bournish) ;add the 'bournish' meta-command
(srfi srfi-26)
(define kodir
(flat-linux-module-directory linux linux-modules))
;; FIXME: The following modules are for
;; LUKS-DEVICE-MAPPING. We should instead propagate
;; this info via gexps.
((gnu build file-systems)
#:select (find-partition-by-luks-uuid))
(rnrs bytevectors))
(expression->initrd
(with-imported-modules (source-module-closure
'((gnu build linux-boot)
(guix build utils)
(guix build bournish)
(gnu build file-systems)))
#~(begin
(use-modules (gnu build linux-boot)
(guix build utils)
(guix build bournish) ;add the 'bournish' meta-command
(srfi srfi-26)
(with-output-to-port (%make-void-port "w")
(lambda ()
(set-path-environment-variable "PATH" '("bin" "sbin")
'#$helper-packages)))
;; FIXME: The following modules are for
;; LUKS-DEVICE-MAPPING. We should instead propagate
;; this info via gexps.
((gnu build file-systems)
#:select (find-partition-by-luks-uuid))
(rnrs bytevectors))
(boot-system #:mounts '#$(map file-system->spec file-systems)
#:pre-mount (lambda ()
(and #$@device-mapping-commands))
#:linux-modules '#$linux-modules
#:linux-module-directory '#$kodir
#:qemu-guest-networking? #$qemu-networking?
#:volatile-root? '#$volatile-root?)))
#:name "raw-initrd")))
(with-output-to-port (%make-void-port "w")
(lambda ()
(set-path-environment-variable "PATH" '("bin" "sbin")
'#$helper-packages)))
(boot-system #:mounts '#$(map file-system->spec file-systems)
#:pre-mount (lambda ()
(and #$@device-mapping-commands))
#:linux-modules '#$linux-modules
#:linux-module-directory '#$kodir
#:qemu-guest-networking? #$qemu-networking?
#:volatile-root? '#$volatile-root?)))
#:name "raw-initrd"))
(define* (file-system-packages file-systems #:key (volatile-root? #f))
"Return the list of statically-linked, stripped packages to check