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pull: Acquire a lock for the target profile.

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This is a followup to b1fb663404.

* guix/scripts/pull.scm (guix-pull): Wrap 'run-with-store' call in
'with-file-lock/no-wait'.
This commit is contained in:
Ludovic Courtès 2019-11-18 22:22:59 +01:00
parent 10e73bbc5e
commit 6fbd8fde2f
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GPG key ID: 090B11993D9AEBB5
2 changed files with 14 additions and 6 deletions
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1
.dir-locals.el
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@ -35,6 +35,7 @@
(eval . (put 'modify-services 'scheme-indent-function 1))
(eval . (put 'with-directory-excursion 'scheme-indent-function 1))
(eval . (put 'with-file-lock 'scheme-indent-function 1))
(eval . (put 'with-file-lock/no-wait 'scheme-indent-function 1))
(eval . (put 'package 'scheme-indent-function 0))
(eval . (put 'origin 'scheme-indent-function 0))

19
guix/scripts/pull.scm
View file

@ -36,6 +36,8 @@ (define-module (guix scripts pull)
#:autoload (guix inferior) (open-inferior)
#:use-module (guix scripts build)
#:autoload (guix build utils) (which)
#:use-module ((guix build syscalls)
#:select (with-file-lock/no-wait))
#:use-module (guix git)
#:use-module (git)
#:use-module (gnu packages)
@ -815,11 +817,16 @@ (define (guix-pull . args)
(if (assoc-ref opts 'bootstrap?)
%bootstrap-guile
(canonical-package guile-2.2)))))
(run-with-store store
(build-and-install instances profile
#:dry-run?
(assoc-ref opts 'dry-run?)
#:use-substitutes?
(assoc-ref opts 'substitutes?))))))))))))))
(with-file-lock/no-wait (string-append profile ".lock")
(lambda (key . args)
(leave (G_ "profile ~a is locked by another process~%")
profile))
(run-with-store store
(build-and-install instances profile
#:dry-run?
(assoc-ref opts 'dry-run?)
#:use-substitutes?
(assoc-ref opts 'substitutes?)))))))))))))))
;;; pull.scm ends here