~ruther/guix-local

d2bcf35e1805b06fb575352531d9c439425dc379 — Ludovic Courtès 9 years ago c062b1e
vm: Avoid needless file copy in 'load-in-linux-vm'.

Reported by Chris Webber.

* gnu/build/vm.scm (load-in-linux-vm)[image-file]: Remove.  Directly
refer to OUTPUT instead.
1 files changed, 6 insertions(+), 10 deletions(-)

M gnu/build/vm.scm
M gnu/build/vm.scm => gnu/build/vm.scm +6 -10
@@ 79,12 79,9 @@ it via /dev/hda.

REFERENCES-GRAPHS can specify a list of reference-graph files as produced by
the #:references-graphs parameter of 'derivation'."
  (define image-file
    (string-append "image." disk-image-format))

  (when make-disk-image?
    (unless (zero? (system* "qemu-img" "create" "-f" disk-image-format
                            image-file
                            output
                            (number->string disk-image-size)))
      (error "qemu-img failed")))



@@ 115,7 112,7 @@ the #:references-graphs parameter of 'derivation'."
                                           builder)
                  (append
                   (if make-disk-image?
                       `("-drive" ,(string-append "file=" image-file
                       `("-drive" ,(string-append "file=" output
                                                  ",if=virtio"))
                       '())
                   ;; Only enable kvm if we see /dev/kvm exists.


@@ 126,11 123,10 @@ the #:references-graphs parameter of 'derivation'."
                       '()))))
    (error "qemu failed" qemu))

  (if make-disk-image?
      (copy-file image-file output)
      (begin
        (mkdir output)
        (copy-recursively "xchg" output))))
  ;; When MAKE-DISK-IMAGE? is true, the image is in OUTPUT already.
  (unless make-disk-image?
    (mkdir output)
    (copy-recursively "xchg" output)))


;;;