70 lines
2.4 KiB
Scheme
70 lines
2.4 KiB
Scheme
;;; random.scm -- Definition of the random build jobs
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;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
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;;;
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;;; This file is part of Cuirass.
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;;;
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;;; Cuirass is free software: you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation, either version 3 of the License, or
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;;; (at your option) any later version.
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;;;
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;;; Cuirass is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with Cuirass. If not, see <http://www.gnu.org/licenses/>.
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(use-modules (guix)
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(srfi srfi-1)
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(srfi srfi-26))
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(define (make-job name derivation)
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(lambda ()
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`((#:job-name . ,name)
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(#:derivation . ,(derivation-file-name (force derivation)))
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(#:license . ((name . "GPLv3+")))
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(#:description "dummy job")
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(#:long-description "really dummy job"))))
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(define %seed
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(logxor (cdr (gettimeofday))
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(car (gettimeofday))
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(cdr (gettimeofday))))
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(define %state
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(seed->random-state %seed))
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(define* (random-derivation store #:optional (suffix ""))
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(let ((nonce (random 1e6)))
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(run-with-store store
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(gexp->derivation (string-append "random" suffix)
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#~(let ((state (seed->random-state #$%seed)))
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(sleep (pk 'sleeping (random 10 state)))
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(when (zero? (random 4 state))
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(error "we're faillliiiiing!"))
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#$nonce
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(mkdir #$output))))))
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(define (make-random-jobs store arguments)
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(let ((checkout (assq-ref arguments 'cuirass)))
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(format (current-error-port)
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"evaluating random jobs from directory ~s, commit ~s~%"
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(assq-ref checkout 'file-name)
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(assq-ref checkout 'revision)))
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(when (zero? (random 7 %state))
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(error "Evaluation is failing!"))
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(unfold (cut > <> 10)
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(lambda (i)
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(let ((suffix (number->string i)))
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(make-job (string-append "foo" suffix)
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(delay (random-derivation store suffix)))))
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1+
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0))
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