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image: Add 'target' support. 

* gnu/image.scm (<image>)[target]: New field,
(image-target): new public method.
* gnu/system/image.scm (hurd-disk-image): Set "i586-pc-gnu" as image 'target'
field,
(maybe-with-target): new procedure,
(system-image): honor image 'target' field using the above procedure.
This commit is contained in:
Mathieu Othacehe 2020-06-13 14:01:18 +02:00
parent 7ca533c723
commit f292d4719d
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GPG Key ID: 8354763531769CA6
2 changed files with 43 additions and 26 deletions
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3
gnu/image.scm
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@ -33,6 +33,7 @@
image
image-name
image-format
image-target
image-size
image-operating-system
image-partitions
@ -67,6 +68,8 @@
image make-image
image?
(format image-format) ;symbol
(target image-target
(default #f))
(size image-size ;size in bytes as integer
(default 'guess))
(operating-system image-operating-system ;<operating-system>

66
gnu/system/image.scm
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@ -104,6 +104,7 @@
(define hurd-disk-image
(image
(format 'disk-image)
(target "i586-pc-gnu")
(partitions
(list (partition
(size 'guess)
@ -519,6 +520,14 @@ it can be used for bootloading."
(type root-file-system-type))
file-systems-to-keep)))))
(define-syntax-rule (maybe-with-target image exp ...)
(let ((target (image-target image)))
(if target
(with-parameters ((%current-target-system target))
exp ...)
(begin
exp ...))))
(define* (system-image image)
"Return the derivation of IMAGE. It can be a raw disk-image or an ISO9660
image, depending on IMAGE format."
@ -530,32 +539,33 @@ image, depending on IMAGE format."
(bootcfg (operating-system-bootcfg os))
(bootloader (bootloader-configuration-bootloader
(operating-system-bootloader os))))
(case (image-format image)
((disk-image)
(system-disk-image image*
#:bootcfg bootcfg
#:bootloader bootloader
#:register-closures? register-closures?
#:inputs `(("system" ,os)
("bootcfg" ,bootcfg))))
((iso9660)
(system-iso9660-image
image*
#:bootcfg bootcfg
#:bootloader bootloader
#:register-closures? register-closures?
#:inputs `(("system" ,os)
("bootcfg" ,bootcfg))
;; Make sure to use a mode that does no imply
;; HFS+ tree creation that may fail with:
;;
;; "libisofs: FAILURE : Too much files to mangle,
;; cannot guarantee unique file names"
;;
;; This happens if some limits are exceeded, see:
;; https://lists.gnu.org/archive/html/grub-devel/2020-06/msg00048.html
#:grub-mkrescue-environment
'(("MKRESCUE_SED_MODE" . "mbr_only")))))))
(maybe-with-target image
(case (image-format image)
((disk-image)
(system-disk-image image*
#:bootcfg bootcfg
#:bootloader bootloader
#:register-closures? register-closures?
#:inputs `(("system" ,os)
("bootcfg" ,bootcfg))))
((iso9660)
(system-iso9660-image
image*
#:bootcfg bootcfg
#:bootloader bootloader
#:register-closures? register-closures?
#:inputs `(("system" ,os)
("bootcfg" ,bootcfg))
;; Make sure to use a mode that does no imply
;; HFS+ tree creation that may fail with:
;;
;; "libisofs: FAILURE : Too much files to mangle,
;; cannot guarantee unique file names"
;;
;; This happens if some limits are exceeded, see:
;; https://lists.gnu.org/archive/html/grub-devel/2020-06/msg00048.html
#:grub-mkrescue-environment
'(("MKRESCUE_SED_MODE" . "mbr_only"))))))))
(define (find-image file-system-type target)
"Find and return an image built that could match the given FILE-SYSTEM-TYPE,
@ -570,4 +580,8 @@ addition of the <image> record."
(else
efi-disk-image)))))
;;; Local Variables:
;;; eval: (put 'maybe-with-target 'scheme-indent-function 1)
;;; End:
;;; image.scm ends here