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store: Use 'when' instead of 'if' in effectful context. 

* guix/store.scm (set-build-options): Use 'when' instead of 'if'.
This commit is contained in:
Ludovic Courtès 2014-02-27 19:17:10 +01:00
parent 7dc68701da
commit 371e87d286
1 changed files with 16 additions and 16 deletions
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32
guix/store.scm
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@ -452,22 +452,22 @@ encoding conversion errors."
(send (boolean keep-failed?) (boolean keep-going?)
(boolean fallback?) (integer verbosity)
(integer max-build-jobs) (integer max-silent-time))
(if (>= (nix-server-minor-version server) 2)
(send (boolean use-build-hook?)))
(if (>= (nix-server-minor-version server) 4)
(send (integer build-verbosity) (integer log-type)
(boolean print-build-trace)))
(if (>= (nix-server-minor-version server) 6)
(send (integer build-cores)))
(if (>= (nix-server-minor-version server) 10)
(send (boolean use-substitutes?)))
(if (>= (nix-server-minor-version server) 12)
(send (string-list (fold-right (lambda (pair result)
(match pair
((h . t)
(cons* h t result))))
'()
binary-caches))))
(when (>= (nix-server-minor-version server) 2)
(send (boolean use-build-hook?)))
(when (>= (nix-server-minor-version server) 4)
(send (integer build-verbosity) (integer log-type)
(boolean print-build-trace)))
(when (>= (nix-server-minor-version server) 6)
(send (integer build-cores)))
(when (>= (nix-server-minor-version server) 10)
(send (boolean use-substitutes?)))
(when (>= (nix-server-minor-version server) 12)
(send (string-list (fold-right (lambda (pair result)
(match pair
((h . t)
(cons* h t result))))
'()
binary-caches))))
(let loop ((done? (process-stderr server)))
(or done? (process-stderr server)))))