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(zilch magic): handle FODs with CA dependencies properly

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Whilst not CA themselves, they can safely depend on CA inputs. Thus,
they need rewrites.
This commit is contained in:
puck 2025-06-23 12:22:20 +00:00
parent c192be2cf8
commit 78b41236ab
1 changed files with 32 additions and 10 deletions
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42
core/src/magic.sld
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@ -265,6 +265,12 @@
(define (drv-is-ca drv)
(define is-ca #f)
(for-each (lambda (out) (when (eq? (derivation-output-hash (cdr out)) 'floating) (set! is-ca #t))) (derivation-outputs drv))
(when (drv-is-fod drv)
(let loop ((drvs (derivation-input-drvs drv)))
(cond
((null? drvs) #f)
((drv-is-ca (caar drvs)) (set! is-ca #t))
(else (loop (cdr drvs))))))
is-ca)
(define (rewrite-string str with-rewrites)
@ -414,14 +420,28 @@
(define new-args (map (lambda (v) (rewrite-string-or-bytevector v rewrites)) (derivation-args ca-drv)))
(define new-env (map (lambda (kv) (cons (car kv) (rewrite-string-or-bytevector (cdr kv) rewrites))) (derivation-env ca-drv)))
(define ia-drv
(make-input-addressed-derivation
(if (drv-is-fod ca-drv)
(let ((output (cdar (derivation-outputs ca-drv))))
(make-fixed-output-derivation
(derivation-name ca-drv)
(derivation-system ca-drv)
(list-sort
(lambda (l r) (string<? (derivation-path (car l)) (derivation-path (car r))))
new-drvs)
(list-sort string<? new-srcs)
(cons new-builder new-args)
new-env
(derivation-output-algo output)
(derivation-output-hash output)
(derivation-output-recursive output)))
(make-input-addressed-derivation
(derivation-name ca-drv)
(derivation-system ca-drv)
(list-sort
(lambda (l r) (string<? (derivation-path (car l)) (derivation-path (car r))))
new-drvs)
(lambda (l r) (string<? (derivation-path (car l)) (derivation-path (car r))))
new-drvs)
(list-sort string<? new-srcs)
(cons new-builder new-args) new-env (map car (derivation-outputs ca-drv))))
(cons new-builder new-args) new-env (map car (derivation-outputs ca-drv)))))
(set-pending-item-ia-drv! item ia-drv)
; Build all the paths.
@ -443,12 +463,14 @@
(lambda ()
(daemon-wop-build-paths conn (list->vector (map (lambda (v) (string-append (derivation-path ia-drv) "!" v)) outputs)))))
(daemon-wop-build-paths conn (list->vector (map (lambda (v) (string-append (derivation-path ia-drv) "!" v)) outputs))))
(set-pending-item-resolved-paths! item
(map (lambda (o)
(define-values (name hash nar-size ca-store-path)
(store-path-to-fod conn (derivation-output-path (cdr (assoc o (derivation-outputs ia-drv) string=?)))))
(cons o ca-store-path))
outputs))
(if (drv-is-fod ia-drv)
(set-pending-item-resolved-paths! item (list (cons "out" (derivation-output-path (cdar (derivation-outputs ia-drv))))))
(set-pending-item-resolved-paths! item
(map (lambda (o)
(define-values (name hash nar-size ca-store-path)
(store-path-to-fod conn (derivation-output-path (cdr (assoc o (derivation-outputs ia-drv) string=?)))))
(cons o ca-store-path))
outputs)))
; Notify our dependencies that we're done.
(mutex-lock! pending-count-mutex)