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vm: 'expression->derivation-in-linux-vm' can import modules in the VM.

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* gnu/system/vm.scm (%imported-modules): New procedure.
  (expression->derivation-in-linux-vm): Add #:imported-modules
  parameter; remove #:modules.  Add LOADER, and change BUILDER to load
  it.
  (qemu-image): Remove useless #:modules argument.
This commit is contained in:
Ludovic Courtès 2014-04-11 18:42:30 +02:00
parent 7bd9604cde
commit ade5ce7abc
1 changed files with 25 additions and 9 deletions
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34
gnu/system/vm.scm
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@ -81,6 +81,9 @@ input tuple. The output file name is when building for SYSTEM."
((input (and (? string?) (? store-path?) file))
(return `(,input . ,file))))))
;; An alias to circumvent name clashes.
(define %imported-modules imported-modules)
(define* (expression->derivation-in-linux-vm name exp
#:key
(system (%current-system))
@ -89,7 +92,10 @@ input tuple. The output file name is when building for SYSTEM."
initrd
(qemu qemu-headless)
(env-vars '())
(modules '())
(imported-modules
'((guix build vm)
(guix build linux-initrd)
(guix build utils)))
(guile-for-build
(%guile-for-build))
@ -107,11 +113,13 @@ runs with MEMORY-SIZE MiB of memory.
When MAKE-DISK-IMAGE? is true, then create a QEMU disk image of
DISK-IMAGE-SIZE bytes and return it.
IMPORTED-MODULES is the set of modules imported in the execution environment
of EXP.
When REFERENCES-GRAPHS is true, it must be a list of file name/store path
pairs, as for `derivation'. The files containing the reference graphs are
made available under the /xchg CIFS share."
;; FIXME: Allow use of macros from other modules, as done in
;; `build-expression->derivation'.
;; FIXME: Add #:modules parameter, for the 'use-modules' form.
(define input-alist
(map input->name+output inputs))
@ -126,7 +134,7 @@ made available under the /xchg CIFS share."
"/bzImage"))
(initrd (string-append (assoc-ref %build-inputs "initrd")
"/initrd"))
(builder (assoc-ref %build-inputs "builder"))
(loader (assoc-ref %build-inputs "loader"))
(graphs ',(match references-graphs
(((graph-files . _) ...) graph-files)
(_ #f))))
@ -134,7 +142,7 @@ made available under the /xchg CIFS share."
(set-path-environment-variable "PATH" '("bin")
(map cdr %build-inputs))
(load-in-linux-vm builder
(load-in-linux-vm loader
#:output (assoc-ref %outputs "out")
#:linux linux #:initrd initrd
#:memory-size ,memory-size
@ -144,10 +152,18 @@ made available under the /xchg CIFS share."
(mlet* %store-monad
((input-alist (sequence %store-monad input-alist))
(module-dir (%imported-modules imported-modules))
(compiled (compiled-modules imported-modules))
(exp* -> `(let ((%build-inputs ',input-alist))
,exp))
(user-builder (text-file "builder-in-linux-vm"
(object->string exp*)))
(loader (text-file* "linux-vm-loader" ; XXX: use 'sexp-file'
"(begin (set! %load-path (cons \""
module-dir "\" %load-path)) "
"(set! %load-compiled-path (cons \""
compiled "\" %load-compiled-path))"
"(primitive-load \"" user-builder "\"))"))
(coreutils -> (car (assoc-ref %final-inputs "coreutils")))
(initrd (if initrd ; use the default initrd?
(return initrd)
@ -159,6 +175,7 @@ made available under the /xchg CIFS share."
("initrd" ,initrd)
("coreutils" ,coreutils)
("builder" ,user-builder)
("loader" ,loader)
,@inputs))))
(derivation-expression name builder
;; TODO: Require the "kvm" feature.
@ -168,7 +185,8 @@ made available under the /xchg CIFS share."
#:modules (delete-duplicates
`((guix build utils)
(guix build vm)
,@modules))
(guix build linux-initrd)
,@imported-modules))
#:guile-for-build guile-for-build
#:references-graphs references-graphs)))
@ -367,9 +385,7 @@ such as /etc files."
,@inputs-to-copy)
#:make-disk-image? #t
#:disk-image-size disk-image-size
#:references-graphs graph
#:modules '((guix build utils)
(guix build linux-initrd)))))
#:references-graphs graph)))
;;;