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authorLudovic Courtès <ludo@gnu.org>2013-08-31 22:55:04 +0200
committerLudovic Courtès <ludo@gnu.org>2013-08-31 23:02:18 +0200
commitca85d7bcc6dca82bea176052d0a2615cd9bd3074 (patch)
treed9373a7240c12c240a5431059437a50b9afc3a7b /gnu/system
parentb48d21b24634399b41f6d5144691b58c159d72e2 (diff)
downloadguix-ca85d7bcc6dca82bea176052d0a2615cd9bd3074.tar
guix-ca85d7bcc6dca82bea176052d0a2615cd9bd3074.tar.gz
gnu: `expression->derivation-in-linux-vm' export references graphs.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Add #:reference-graphs parameter. Honor it. Delete duplicates in #:modules argument.
Diffstat (limited to 'gnu/system')
-rw-r--r--gnu/system/vm.scm33
1 files changed, 27 insertions, 6 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index fedf0ee322..f3e875bee1 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -28,6 +28,7 @@
#:use-module (gnu packages linux-initrd)
#:use-module ((gnu packages make-bootstrap)
#:select (%guile-static-stripped))
+ #:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (ice-9 match)
#:export (expression->derivation-in-linux-vm
@@ -53,6 +54,7 @@
(%guile-for-build))
(make-disk-image? #f)
+ (references-graphs #f)
(disk-image-size
(* 100 (expt 2 20))))
"Evaluate EXP in a QEMU virtual machine running LINUX with INITRD. In the
@@ -61,7 +63,11 @@ 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."
+DISK-IMAGE-SIZE bytes and return it.
+
+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."
(define input-alist
(map (match-lambda
((input package)
@@ -77,8 +83,10 @@ DISK-IMAGE-SIZE bytes and return it."
(define builder
;; Code that launches the VM that evaluates EXP.
- `(begin
- (use-modules (guix build utils))
+ `(let ()
+ (use-modules (guix build utils)
+ (srfi srfi-1)
+ (ice-9 rdelim))
(let ((out (assoc-ref %outputs "out"))
(cu (string-append (assoc-ref %build-inputs "coreutils")
@@ -104,6 +112,17 @@ DISK-IMAGE-SIZE bytes and return it."
'(begin))
(mkdir "xchg")
+
+ ;; Copy the reference-graph files under xchg/ so EXP can access it.
+ (begin
+ ,@(match references-graphs
+ (((graph-files . _) ...)
+ (map (lambda (file)
+ `(copy-file ,file
+ ,(string-append "xchg/" file)))
+ graph-files))
+ (#f '())))
+
(and (zero?
(system* qemu "-nographic" "-no-reboot"
"-net" "nic,model=e1000"
@@ -139,9 +158,11 @@ DISK-IMAGE-SIZE bytes and return it."
,@sub-drv)))
inputs))
#:env-vars env-vars
- #:modules `((guix build utils)
- ,@modules)
- #:guile-for-build guile-for-build)))
+ #:modules (delete-duplicates
+ `((guix build utils)
+ ,@modules))
+ #:guile-for-build guile-for-build
+ #:references-graphs references-graphs)))
(define* (qemu-image store #:key
(name "qemu-image")