puck/zilch
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

(zilch nix drv): fix serialized derivation format caching

Browse source 
This was broken at some point, and I'm not sure if this is a load-bearing
bug. Let's find out.
This commit is contained in:
puck 2025-05-01 13:20:05 +00:00
parent fc2d2551fe
commit 5b4bb8cd8a
1 changed files with 12 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

23
core/src/nix/drv.sld
View file

@ -71,10 +71,11 @@
(serialized derivation-cached-data-serialized set-derivation-cached-data-serialized!))
(define-record-printer (<derivation-cached-data> drv out)
(fprintf out "#<derivation-cached-data path: ~S, hash: ~S, deferred: ~S>"
(fprintf out "#<derivation-cached-data path: ~S, hash: ~S, deferred: ~S (has serialized? ~S)>"
(derivation-cached-data-path drv)
(derivation-cached-data-modulo-hash drv)
(derivation-cached-data-is-deferred drv)))
(derivation-cached-data-is-deferred drv)
(not (not (derivation-cached-data-serialized drv)))))
;; An entire derivation.
;; `outputs` is stored as an alist of output name to `<derivation-output>` object.
@ -498,14 +499,14 @@
(define derivation-serialize
(case-lambda
((drv) (derivation-serialize drv (current-output-port)))
((drv port) (derivation-serialize drv port (derivation-input-drvs drv)))
((drv port)
(if (derivation-cached-data-serialized (derivation-cached-data drv))
(write-bytevector (derivation-cached-data-serialized (derivation-cached-data drv)) port)
(call-with-port (open-output-bytevector)
(lambda (nport)
(derivation-serialize-internal drv nport (derivation-input-drvs drv))
(set-derivation-cached-data-serialized! (derivation-cached-data drv) (get-output-bytevector nport))
(write-bytevector (get-output-bytevector nport) port)))))
((drv port masked)
(if masked (derivation-serialize-internal drv port masked)
(if (derivation-cached-data-serialized (derivation-cached-data drv))
(write-bytevector (derivation-cached-data-serialized (derivation-cached-data drv)) port)
(call-with-port (open-output-bytevector)
(lambda (nport)
(derivation-serialize-internal drv nport #f)
(set-derivation-cached-data-serialized! (derivation-cached-data drv) (get-output-bytevector nport))
(write-bytevector (get-output-bytevector nport) port))))))))))
(derivation-serialize-internal drv port masked))))))