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inferior: Fix concurrent cached-profile calls. 

* guix/inferior.scm (cached-profile): Do not create the profile symlink if it
already exists.
master
Mathieu Othacehe 2021-03-05 12:49:06 +01:00
parent 7d63b77551
commit 6ee7e3d26b
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1 changed files with 3 additions and 2 deletions
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@ -755,8 +755,9 @@ seconds. This procedure opens a new connection to the build daemon."
(built-derivations (list profile))
;; Note: Caching is fine even when AUTHENTICATE? is false because
;; we always call 'latest-channel-instances?'.
(symlink* (derivation->output-path profile) cached)
(add-indirect-root* cached)
(unless (file-exists? cached)
(symlink* (derivation->output-path profile) cached)
(add-indirect-root* cached))
(return cached))))))
(define* (channels->cached-profile store channels