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(define-module (guix-qa-frontpage reproducible-builds)
#:use-module (srfi srfi-43)
#:use-module (ice-9 threads)
#:use-module (zlib)
#:use-module (json)
#:use-module (guix-qa-frontpage guix-data-service)
#:export (start-generate-reproducible.json-thread))
(define* (start-generate-reproducible.json-thread)
(define (generate)
(let* ((revision (get-latest-processed-branch-revision "master"))
(data
(guix-data-service-request
(string-append
"https://data.qa.guix.gnu.org/revision/" revision
"/package-derivation-outputs.json?"
"system=x86_64-linux&target=none&field=nars"
"&limit_results=&all_results=on")))
(result
(vector-fold
(lambda (_ result output)
(let ((consistency
(assoc-ref output "output_consistency")))
(if (string=? consistency "unknown")
result
(let ((package (assoc-ref output "package")))
(cons
`((package . ,(assoc-ref package "name"))
(version . ,(assoc-ref package "version"))
(architecture . "x86_64-linux")
(status . ,(cond
((string=? consistency "matching")
"reproducible")
((string=? consistency "not-matching")
"unreproducible")
(else (error "unknown consistency")))))
result)))))
'()
(assoc-ref data "store_paths"))))
(call-with-output-file "reproducible.json.gz"
(lambda (port)
(call-with-zlib-output-port
port
(lambda (port)
(set-port-encoding! port "UTF-8")
(scm->json (list->vector result)
port
#:pretty #t))
#:format 'gzip)))))
(call-with-new-thread
(lambda ()
(while #t
(with-exception-handler
(lambda (exn)
(simple-format
(current-error-port)
"exception in generate reproducible.json fiber: ~A\n"
exn))
(lambda ()
(with-throw-handler #t
generate
(lambda args
(display (backtrace) (current-error-port))
(newline (current-error-port)))))
#:unwind? #t)
(simple-format #t "finished generating reproducible.json.gz\n")
(sleep (* 60 60 24))))))
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