01/01: derivations: Work around pathological memoization behavior.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit e79281be105b16153c375af5506db31fd1e32698
Author: Ludovic Courtès <address@hidden>
Date:   Wed Jul 3 20:05:23 2019 +0200

    derivations: Work around pathological memoization behavior.
    
    This works around <https://bugs.gnu.org/36487>.
    
    * guix/derivations.scm (invalidate-derivation-caches!): Comment out
    'hash-clear!' call.
---
 guix/derivations.scm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/guix/derivations.scm b/guix/derivations.scm
index ebeac31..9cacca5 100644
--- a/guix/derivations.scm
+++ b/guix/derivations.scm
@@ -887,7 +887,10 @@ long-running processes that know what they're doing.  Use 
with care!"
   ;; caches when they start evaluating packages for another architecture.
   (invalidate-memoization! derivation->bytevector)
   (invalidate-memoization! derivation-path->base16-hash)
-  (hash-clear! %derivation-cache))
+
+  ;; FIXME: Comment out to work around <https://bugs.gnu.org/36487>.
+  ;; (hash-clear! %derivation-cache)
+  )
 
 (define derivation-properties
   (mlambdaq (drv)