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Extract out code for updating derivation source file nars

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So that this can be used to fix some which have crept in to the database as
placeholders.
This commit is contained in:
Christopher Baines 2025-03-11 19:38:56 +00:00
parent 1ac9f8072e
commit 167b7d029e
1 changed files with 46 additions and 37 deletions
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81
guix-data-service/jobs/load-new-guix-revision.scm
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@ -1006,6 +1006,48 @@
1000
missing-file-names))))
(define (compute-and-update-derivation-source-file-nar
postgresql-connection-pool
id
source-file)
(let ((nar-bytevector
(call-with-values
(lambda ()
(open-bytevector-output-port))
(lambda (port get-bytevector)
(unless (file-exists? source-file)
(raise-exception
(make-missing-store-item-error
source-file)))
(write-file source-file port)
(let ((res (get-bytevector)))
(close-port port) ; maybe reduces memory?
res)))))
(let ((compressed-nar-bytevector
(call-with-values
(lambda ()
(open-bytevector-output-port))
(lambda (port get-bytevector)
(call-with-lzip-output-port port
(lambda (port)
(put-bytevector port nar-bytevector))
#:level 9)
(let ((res (get-bytevector)))
(close-port port) ; maybe reduces memory?
res))))
(hash
(bytevector->nix-base32-string
(sha256 nar-bytevector)))
(uncompressed-size
(bytevector-length nar-bytevector)))
(with-resource-from-pool postgresql-connection-pool conn
(update-derivation-source-file-nar
conn
id
hash
compressed-nar-bytevector
uncompressed-size)))))
(define* (derivations-insert-sources postgresql-connection-pool
call-with-utility-thread
derivations
@ -1044,43 +1086,10 @@ SELECT 1 FROM derivation_source_file_nars WHERE derivation_source_file_id = $1"
;; avoid using too much memory
(call-with-utility-thread
(lambda ()
(let ((nar-bytevector
(call-with-values
(lambda ()
(open-bytevector-output-port))
(lambda (port get-bytevector)
(unless (file-exists? source-file)
(raise-exception
(make-missing-store-item-error
source-file)))
(write-file source-file port)
(let ((res (get-bytevector)))
(close-port port) ; maybe reduces memory?
res)))))
(let ((compressed-nar-bytevector
(call-with-values
(lambda ()
(open-bytevector-output-port))
(lambda (port get-bytevector)
(call-with-lzip-output-port port
(lambda (port)
(put-bytevector port nar-bytevector))
#:level 9)
(let ((res (get-bytevector)))
(close-port port) ; maybe reduces memory?
res))))
(hash
(bytevector->nix-base32-string
(sha256 nar-bytevector)))
(uncompressed-size
(bytevector-length nar-bytevector)))
(with-resource-from-pool postgresql-connection-pool conn
(update-derivation-source-file-nar
conn
(compute-and-update-derivation-source-file-nar
postgresql-connection-pool
id
hash
compressed-nar-bytevector
uncompressed-size))))))))
source-file)))))
sources-ids
sources)))))
derivation-ids