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hydra: Add 'hydra-jobs.scm' target to compute the Hydra jobs.

* build-aux/hydra/evaluate.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
gn-latest-20200428
Ludovic Courtès 5 years ago
parent
commit
89cbec89a5
2 changed files with 107 additions and 0 deletions
  1. +9
    -0
      Makefile.am
  2. +98
    -0
      build-aux/hydra/evaluate.scm

+ 9
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Makefile.am View File

@ -339,6 +339,7 @@ EXTRA_DIST = \
.dir-locals.el \
build-aux/build-self.scm \
build-aux/compile-all.scm \
build-aux/hydra/evaluate.scm \
build-aux/hydra/gnu-system.scm \
build-aux/hydra/demo-os.scm \
build-aux/hydra/guix.scm \
@ -489,6 +490,14 @@ assert-final-inputs-self-contained:
$(AM_V_at)$(top_builddir)/pre-inst-env "$(GUILE)" \
"$(top_srcdir)/build-aux/check-final-inputs-self-contained.scm"
# Compute the Hydra jobs and write them in the target file.
hydra-jobs.scm: $(GOBJECTS)
$(AM_V_at)$(MKDIR_P) "`dirname "$@"`"
$(AM_V_GEN)$(top_builddir)/pre-inst-env "$(GUILE)" \
"$(top_srcdir)/build-aux/hydra/evaluate.scm" \
"$(top_srcdir)/build-aux/hydra/gnu-system.scm" > "$@.tmp"
$(AT_V_at)mv "$@.tmp" "$@"
.PHONY: sync-descriptions gen-ChangeLog gen-AUTHORS clean-go make-go
.PHONY: assert-no-store-file-names assert-binaries-available
.PHONY: assert-final-inputs-self-contained


+ 98
- 0
build-aux/hydra/evaluate.scm View File

@ -0,0 +1,98 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
;;; This program replicates the behavior of Hydra's 'hydra-eval-guile-job'.
;;; It evaluates the Hydra job defined by the program passed as its first
;;; arguments and outputs an sexp of the jobs on standard output.
(use-modules (guix store)
(srfi srfi-19)
(ice-9 match)
(ice-9 pretty-print)
(ice-9 format))
(define %user-module
;; Hydra user module.
(let ((m (make-module)))
(beautify-user-module! m)
m))
(define (call-with-time thunk kont)
"Call THUNK and pass KONT the elapsed time followed by THUNK's return
values."
(let* ((start (current-time time-monotonic))
(result (call-with-values thunk list))
(end (current-time time-monotonic)))
(apply kont (time-difference end start) result)))
(define (call-with-time-display thunk)
"Call THUNK and write to the current output port its duration."
(call-with-time thunk
(lambda (time . results)
(format #t "~,3f seconds~%"
(+ (time-second time)
(/ (time-nanosecond time) 1e9)))
(apply values results))))
;; Without further ado...
(match (command-line)
((command file)
;; Load FILE, a Scheme file that defines Hydra jobs.
(let ((port (current-output-port)))
(save-module-excursion
(lambda ()
(set-current-module %user-module)
(primitive-load file)))
(with-store store
;; Make sure we don't resort to substitutes.
(set-build-options store
#:use-substitutes? #f
#:substitute-urls '())
;; Grafts can trigger early builds. We do not want that to happen
;; during evaluation, so use a sledgehammer to catch such problems.
(set! build-things
(lambda (store . args)
(format (current-error-port)
"error: trying to build things during evaluation!~%")
(format (current-error-port)
"'build-things' arguments: ~s~%" args)
(exit 1)))
;; Call the entry point of FILE and print the resulting job sexp.
(pretty-print
(match ((module-ref %user-module 'hydra-jobs) store '())
(((names . thunks) ...)
(map (lambda (job thunk)
(format (current-error-port) "evaluating '~a'... " job)
(force-output (current-error-port))
(cons job (call-with-time-display thunk)))
names thunks)))
port))))
((command _ ...)
(format (current-error-port) "Usage: ~a FILE
Evaluate the Hydra jobs defined in FILE.~%"
command)
(exit 1)))
;;; Local Variables:
;;; eval: (put 'call-with-time 'scheme-indent-function 1)
;;; End:

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