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offload: Remove mutual exclusion on transfers. 

Suggested by Mark H. Weaver <mhw@netris.org>
at <http://lists.gnu.org/archive/html/guix-devel/2014-10/msg00352.html>.

* guix/scripts/offload.scm (transfer-and-offload): Remove uses of
  'with-machine-lock'.
This commit is contained in:
Ludovic Courtès 2014-10-29 00:28:03 +01:00
parent d2d0514b58
commit 940a8c57be
1 changed files with 2 additions and 7 deletions
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9
guix/scripts/offload.scm
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@ -410,10 +410,7 @@ there, and write the build log to LOG-PORT. Return the exit status."
"Offload DRV to MACHINE. Prior to the actual offloading, transfer all of
INPUTS to MACHINE; if building DRV succeeds, retrieve all of OUTPUTS from
MACHINE."
;; Acquire MACHINE's upload or download lock to serialize file transfers in
;; a given direction to/from MACHINE in the presence of several 'offload'
;; hook instance.
(when (with-machine-lock machine 'upload
(when (begin
(register-gc-root (derivation-file-name drv) machine)
(send-files (cons (derivation-file-name drv) inputs)
machine))
@ -423,9 +420,7 @@ MACHINE."
#:build-timeout build-timeout)))
(if (zero? status)
(begin
;; Likewise (see above.)
(with-machine-lock machine 'download
(retrieve-files outputs machine))
(retrieve-files outputs machine)
(remove-gc-roots machine)
(format (current-error-port)
"done with offloaded '~a'~%"