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derivations: Don't memoize 'derivation-hash'. 

This has little or no run-time impact and slightly reduces the memory
footprint.

* guix/derivations.scm (derivation-hash): Replace 'mlambda' with
'lambda'.
This commit is contained in:
Ludovic Courtès 2017-12-13 14:35:44 +01:00
parent eb1150c22c
commit 90354e34e3
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guix/derivations.scm
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@ -651,7 +651,7 @@ name of each input with that input's hash."
#f))))) #f)))))
(define derivation-hash ; `hashDerivationModulo' in derivations.cc (define derivation-hash ; `hashDerivationModulo' in derivations.cc
(mlambda (drv) (lambda (drv)
"Return the hash of DRV, modulo its fixed-output inputs, as a bytevector." "Return the hash of DRV, modulo its fixed-output inputs, as a bytevector."
(match drv (match drv
(($ <derivation> ((_ . ($ <derivation-output> path (($ <derivation> ((_ . ($ <derivation-output> path