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gnu: When building in a VM, share a temporary directory.

* gnu/build/vm.scm (load-in-linux-vm): Make a shared temporary directory
  available in the VM.
* gnu/system/vm.scm (%linux-vm-file-systems): Add a corresponding entry.
version-0.15.0
Chris Marusich 4 years ago
parent
commit
8c9bf2946a
No known key found for this signature in database GPG Key ID: DD409A15D822469D
  1. 7
      gnu/build/vm.scm
  2. 12
      gnu/system/vm.scm

7
gnu/build/vm.scm

@ -126,6 +126,7 @@ the #:references-graphs parameter of 'derivation'."
(number->string disk-image-size)))
(mkdir "xchg")
(mkdir "tmp")
(match references-graphs
((graph-files ...)
@ -146,6 +147,12 @@ the #:references-graphs parameter of 'derivation'."
"-virtfs"
(string-append "local,id=xchg_dev,path=xchg"
",security_model=none,mount_tag=xchg")
"-virtfs"
;; Some programs require more space in /tmp than is normally
;; available in the guest. Accommodate such programs by sharing a
;; temporary directory.
(string-append "local,id=tmp_dev,path=tmp"
",security_model=none,mount_tag=tmp")
"-kernel" linux
"-initrd" initrd
(append

12
gnu/system/vm.scm

@ -4,6 +4,7 @@
;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -87,8 +88,8 @@
;;; Code:
(define %linux-vm-file-systems
;; File systems mounted for 'derivation-in-linux-vm'. The store and /xchg
;; directory are shared with the host over 9p.
;; File systems mounted for 'derivation-in-linux-vm'. These are shared with
;; the host over 9p.
(list (file-system
(mount-point (%store-prefix))
(device "store")
@ -102,6 +103,13 @@
(type "9p")
(needed-for-boot? #t)
(options "trans=virtio")
(check? #f))
(file-system
(mount-point "/tmp")
(device "tmp")
(type "9p")
(needed-for-boot? #t)
(options "trans=virtio")
(check? #f))))
(define* (expression->derivation-in-linux-vm name exp

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