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git://git.savannah.gnu.org/guix/data-service.git
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439 lines
16 KiB
Scheme
439 lines
16 KiB
Scheme
(define-module (guix-data-service model derivation)
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#:use-module (srfi srfi-1)
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#:use-module (ice-9 vlist)
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#:use-module (ice-9 match)
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#:use-module (squee)
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#:use-module (guix base32)
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#:use-module (guix inferior)
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#:use-module (guix derivations)
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#:use-module (guix-data-service model utils)
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#:export (select-derivation-by-file-name
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select-derivation-outputs-by-derivation-id
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select-derivation-by-output-filename
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select-derivations-using-output
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select-derivation-inputs-by-derivation-id
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select-existing-derivations
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select-derivations-by-id
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select-derivations-and-build-status-by-id
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insert-into-derivations
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derivations->derivation-ids))
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(define (select-existing-derivations file-names)
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(string-append "SELECT id, file_name "
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"FROM derivations "
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"WHERE file_name IN "
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"(" (string-join (map (lambda (file-name)
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(simple-format #f "'~A'" file-name))
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file-names)
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",")
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");"))
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(define (select-from-derivation-output-details paths)
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(string-append
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"SELECT id, path FROM derivation_output_details "
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"WHERE path IN ("
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(string-join (map quote-string paths)
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",")
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")"))
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(define (select-derivation-by-output-filename conn filename)
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(define query
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(string-append
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"SELECT derivations.file_name, derivation_outputs.id "
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"FROM derivation_output_details "
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"INNER JOIN derivation_outputs"
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" ON derivation_output_details.id = derivation_outputs.derivation_output_details_id "
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"INNER JOIN derivations"
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" ON derivation_outputs.derivation_id = derivations.id "
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"WHERE derivation_output_details.path = $1"))
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(exec-query conn query (list filename)))
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(define (select-derivations-using-output conn output-id)
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(define query
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(string-append
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"SELECT derivations.file_name "
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"FROM derivations "
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"INNER JOIN derivation_inputs"
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" ON derivation_inputs.derivation_id = derivations.id "
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"WHERE derivation_output_id = $1 "
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"ORDER BY derivations.file_name "
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"LIMIT 100 "))
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(exec-query conn query (list output-id)))
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(define (insert-derivation-outputs conn
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derivation-id
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names-and-derivation-outputs)
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(define (insert-into-derivation-output-details derivation-outputs)
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(string-append
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"INSERT INTO derivation_output_details "
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"(path, hash_algorithm, hash, recursive) VALUES "
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(string-join
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(map
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(match-lambda
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(($ <derivation-output> path hash-algo hash recursive?)
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(string-append
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"("
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(string-join
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(list (quote-string path)
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(value->quoted-string-or-null
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(and=> hash-algo symbol->string))
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(value->quoted-string-or-null
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(and=> hash bytevector->nix-base32-string))
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(if recursive? "TRUE" "FALSE"))
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",")
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")")))
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derivation-outputs)
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",")
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" RETURNING id"
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";"))
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(define (insert-into-derivation-outputs output-names
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derivation-output-ids)
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(string-append "INSERT INTO derivation_outputs "
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"(derivation_id, name, derivation_output_details_id) VALUES "
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(string-join
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(map (lambda (output-name derivation-output-id)
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(simple-format
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#f "(~A, '~A', ~A)"
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derivation-id output-name derivation-output-id))
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output-names
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derivation-output-ids)
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",")
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";"))
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(let* ((derivation-outputs (map cdr names-and-derivation-outputs))
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(derivation-output-paths (map derivation-output-path
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derivation-outputs))
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(existing-derivation-output-details-entries
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(exec-query->vhash
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conn
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(select-from-derivation-output-details
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derivation-output-paths)
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second ;; path
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first)) ;; id
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(missing-entries (filter
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(lambda (derivation-output)
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(not (vhash-assoc
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(derivation-output-path derivation-output)
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existing-derivation-output-details-entries)))
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derivation-outputs))
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(new-derivation-output-details-ids
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(if (null? missing-entries)
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'()
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(map car
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(exec-query
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conn
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(insert-into-derivation-output-details missing-entries)))))
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(new-entries-id-lookup-vhash
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(two-lists->vhash (map derivation-output-path missing-entries)
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new-derivation-output-details-ids))
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(derivation-output-ids
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(map (lambda (path)
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(cdr
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(or (vhash-assoc path
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existing-derivation-output-details-entries)
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(vhash-assoc path
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new-entries-id-lookup-vhash)
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(error "missing derivation output details entry"))))
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derivation-output-paths))
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(derivation-output-names
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(map car names-and-derivation-outputs)))
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(exec-query conn
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(insert-into-derivation-outputs derivation-output-names
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derivation-output-ids))
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derivation-output-ids))
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(define (select-derivation-by-file-name conn file-name)
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(define query
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(string-append
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"SELECT id, file_name, builder, args, env_vars, system "
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"FROM derivations "
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"WHERE file_name = $1"))
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(match (exec-query conn query (list file-name))
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(()
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#f)
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((result)
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result)))
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(define (select-derivation-output-id conn name path)
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(match (exec-query
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conn
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(string-append
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"SELECT derivation_outputs.id FROM derivation_outputs "
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"INNER JOIN derivations ON "
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"derivation_outputs.derivation_id = derivations.id "
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"WHERE derivations.file_name = '" path "' "
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"AND derivation_outputs.name = '" name "';"))
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(((id))
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id)
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(()
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(error (simple-format
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#f "cannot find derivation-output with name ~A and path ~A"
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name path)))))
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(define (select-derivation-outputs-by-derivation-id conn id)
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(define query
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(string-append
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"SELECT derivation_outputs.name, derivation_output_details.path, "
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"derivation_output_details.hash_algorithm, derivation_output_details.hash, "
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"derivation_output_details.recursive "
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"FROM derivation_outputs "
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"INNER JOIN derivation_output_details ON "
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"derivation_outputs.derivation_output_details_id = derivation_output_details.id "
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"WHERE derivation_id = $1"))
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(exec-query conn query (list id)))
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(define (select-derivation-inputs-by-derivation-id conn id)
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(define query
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(string-append
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"SELECT derivations.file_name, derivation_outputs.name, "
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"derivation_output_details.path "
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"FROM derivation_inputs "
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"INNER JOIN derivation_outputs"
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" ON derivation_outputs.id = derivation_inputs.derivation_output_id "
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"INNER JOIN derivation_output_details"
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" ON derivation_outputs.derivation_output_details_id = derivation_output_details.id "
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"INNER JOIN derivations"
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" ON derivation_outputs.derivation_id = derivations.id "
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"WHERE derivation_inputs.derivation_id = $1"))
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(exec-query conn query (list id)))
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(define (insert-derivation-input conn derivation-id derivation-input)
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(define (insert-into-derivation-inputs output-ids)
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(string-append "INSERT INTO derivation_inputs "
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"(derivation_id, derivation_output_id) VALUES "
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(string-join
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(map (lambda (output-id)
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(simple-format
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#f "(~A, ~A)"
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derivation-id output-id))
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output-ids)
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",")
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";"))
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(match derivation-input
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(($ <derivation-input> path sub-derivations)
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(exec-query
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conn
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(insert-into-derivation-inputs
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(map (lambda (sub-derivation)
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(select-derivation-output-id conn
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sub-derivation
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path))
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sub-derivations))))))
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(define (select-from-derivation-source-files store-paths)
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(string-append
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"SELECT id, store_path FROM derivation_source_files "
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"WHERE store_path IN ("
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(string-join (map quote-string store-paths)
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",")
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");"))
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(define (insert-derivation-sources conn derivation-id sources)
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(define (insert-into-derivation-source-files store-paths)
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(string-append
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"INSERT INTO derivation_source_files (store_path) VALUES "
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(string-join
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(map (lambda (store-path)
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(simple-format
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#f "('~A')" store-path))
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store-paths)
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",")
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" RETURNING id"
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";"))
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(define (insert-into-derivation-sources derivation-source-file-ids)
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(string-append
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"INSERT INTO derivation_sources "
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"(derivation_id, derivation_source_file_id) VALUES "
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(string-join
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(map (lambda (derivation-source-file-id)
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(simple-format
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#f "(~A, ~A)" derivation-id derivation-source-file-id))
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derivation-source-file-ids)
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",")
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";"))
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(let* ((existing-derivation-store-paths
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(exec-query->vhash
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conn
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(select-from-derivation-source-files sources)
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second ;; store_path
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first)) ;; id
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(missing-entries (filter
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(lambda (store-path)
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(not (vhash-assoc store-path
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existing-derivation-store-paths)))
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sources))
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(new-derivation-source-file-entries
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(if (null? missing-entries)
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'()
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(exec-query conn
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(insert-into-derivation-source-files missing-entries))))
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(new-entries-id-lookup-vhash
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(two-lists->vhash missing-entries
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new-derivation-source-file-entries))
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(sources-ids
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(map (lambda (store-path)
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(cdr
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(or (vhash-assoc store-path
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existing-derivation-store-paths)
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(vhash-assoc store-path
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new-entries-id-lookup-vhash)
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(error "missing derivation source files entry"))))
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sources)))
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(exec-query conn
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(insert-into-derivation-sources sources-ids))))
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(define (insert-missing-derivations conn derivations)
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(define (insert-into-derivations)
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(string-append
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"INSERT INTO derivations "
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"(file_name, builder, args, env_vars, system) VALUES "
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(string-join
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(map (match-lambda
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(($ <derivation> outputs inputs sources
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system builder args env-vars file-name)
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(simple-format
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#f "('~A', '~A', ARRAY[~A]::varchar[], ARRAY[~A], '~A')"
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file-name
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builder
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(string-join (map quote-string args) ",")
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(string-join (map (match-lambda
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((key . value)
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(string-append
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"['" key '"', $$"
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value "$$ ]")))
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env-vars)
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",")
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system)))
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derivations)
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",")
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" RETURNING id"
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";"))
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(map (lambda (derivation-id derivation)
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(insert-derivation-outputs conn
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derivation-id
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(derivation-outputs derivation))
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(insert-derivation-sources conn
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derivation-id
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(derivation-sources derivation))
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(for-each (lambda (derivation-input)
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(insert-derivation-input conn
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derivation-id
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derivation-input))
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(derivation-inputs derivation))
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derivation-id)
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(map car (exec-query conn (insert-into-derivations)))
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derivations))
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(define (select-derivations-by-id conn ids)
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(define query
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(string-append "SELECT id, file_name "
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"FROM derivations "
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"WHERE id IN "
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"(" (string-join (map (lambda (id)
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(simple-format #f "'~A'" id))
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ids)
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",")
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");"))
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(exec-query conn query))
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(define (select-derivations-and-build-status-by-id conn ids)
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(define query
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(string-append
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"SELECT derivations.id, derivations.file_name, latest_build_status.status "
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"FROM derivations "
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"LEFT OUTER JOIN builds ON derivations.id = builds.derivation_id "
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"LEFT OUTER JOIN "
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"(SELECT DISTINCT ON (internal_build_id) * "
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"FROM build_status "
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"ORDER BY internal_build_id, status_fetched_at DESC"
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") AS latest_build_status "
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"ON builds.internal_id = latest_build_status.internal_build_id "
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"WHERE derivations.id IN "
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"(" (string-join (map (lambda (id)
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(simple-format #f "'~A'" id))
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ids)
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",")
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");"))
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(exec-query conn query))
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(define (derivations->derivation-ids conn derivations)
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(define (ensure-input-derivations-exist)
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(let* ((missing-derivation-file-names (map derivation-file-name
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derivations))
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(input-derivation-file-names (delete-duplicates
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(map derivation-input-path
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(append-map
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derivation-inputs
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derivations)))))
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;; Ensure all the input derivations exist
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(derivations->derivation-ids
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conn
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(map read-derivation-from-file
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input-derivation-file-names))))
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(if (null? derivations)
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'()
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(begin
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(ensure-input-derivations-exist)
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(let* ((derivation-file-names (map derivation-file-name
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derivations))
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(existing-derivation-entries (exec-query->vhash
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conn
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(select-existing-derivations
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derivation-file-names)
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second ;; file_name
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first)) ;; id
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(missing-derivations
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(filter (lambda (derivation)
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(not (vhash-assoc (derivation-file-name derivation)
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existing-derivation-entries)))
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derivations))
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(new-derivation-entries
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(if (null? missing-derivations)
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'()
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(insert-missing-derivations conn missing-derivations)))
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(new-entries-id-lookup-vhash
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(two-lists->vhash (map derivation-file-name missing-derivations)
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new-derivation-entries)))
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(map (lambda (derivation-file-name)
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(cdr
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(or (vhash-assoc derivation-file-name
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existing-derivation-entries)
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(vhash-assoc derivation-file-name
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new-entries-id-lookup-vhash)
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(error "missing derivation id"))))
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derivation-file-names)))))
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