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guix-build: Add `--cores'.

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* guix-build.in (leave): New macro, formerly in `guix-build'.
  (show-help): Document `--cores'.
  (%options): Add `--cores'.
  (guix-build): Remove `leave' macro from here.  Pass the `cores' option
  value to `set-build-options'.
This commit is contained in:
Ludovic Courtès 2012-07-07 16:50:40 +02:00
parent febaa88569
commit fa14d96e6f
1 changed files with 77 additions and 67 deletions
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144
guix-build.in
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@ -64,6 +64,12 @@ exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \
;; Alist of default option values. ;; Alist of default option values.
'()) '())
(define-syntax-rule (leave fmt args ...)
"Format FMT and ARGS to the error port and exit."
(begin
(format (current-error-port) fmt args ...)
(exit 1)))
(define (show-version) (define (show-version)
(display "guix-build (@PACKAGE_NAME@) @PACKAGE_VERSION@\n")) (display "guix-build (@PACKAGE_NAME@) @PACKAGE_VERSION@\n"))
@ -76,6 +82,8 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
-K, --keep-failed keep build tree of failed builds")) -K, --keep-failed keep build tree of failed builds"))
(display (_ " (display (_ "
-n, --dry-run do not build the derivations")) -n, --dry-run do not build the derivations"))
(display (_ "
-c, --cores=N allow the use of up to N CPU cores for the build"))
(newline) (newline)
(display (_ " (display (_ "
-h, --help display this help and exit")) -h, --help display this help and exit"))
@ -104,6 +112,12 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
(option '(#\K "keep-failed") #f #f (option '(#\K "keep-failed") #f #f
(lambda (opt name arg result) (lambda (opt name arg result)
(alist-cons 'keep-failed? #t result))) (alist-cons 'keep-failed? #t result)))
(option '(#\c "cores") #t #f
(lambda (opt name arg result)
(let ((c (false-if-exception (string->number arg))))
(if c
(alist-cons 'cores c result)
(leave (_ "~a: not a number~%") arg)))))
(option '(#\n "dry-run") #f #F (option '(#\n "dry-run") #f #F
(lambda (opt name arg result) (lambda (opt name arg result)
(alist-cons 'dry-run? #t result))))) (alist-cons 'dry-run? #t result)))))
@ -114,74 +128,70 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
;;; ;;;
(define (guix-build . args) (define (guix-build . args)
(let-syntax ((leave (syntax-rules () (define (parse-options)
((_ fmt args ...) ;; Return the alist of option values.
(begin (args-fold args %options
(format (current-error-port) fmt args ...) (lambda (opt name arg result)
(exit 1)))))) (leave (_ "~A: unrecognized option~%") opt))
(define (parse-options) (lambda (arg result)
;; Return the alist of option values. (alist-cons 'argument arg result))
(args-fold args %options %default-options))
(lambda (opt name arg result)
(leave (_ "~A: unrecognized option") opt))
(lambda (arg result)
(alist-cons 'argument arg result))
%default-options))
(setlocale LC_ALL "") (setlocale LC_ALL "")
(textdomain "guix") (textdomain "guix")
(setvbuf (current-output-port) _IOLBF) (setvbuf (current-output-port) _IOLBF)
(setvbuf (current-error-port) _IOLBF) (setvbuf (current-error-port) _IOLBF)
(let* ((opts (parse-options)) (let* ((opts (parse-options))
(drv (filter-map (match-lambda (drv (filter-map (match-lambda
(('expression . exp) (('expression . exp)
(derivations-from-package-expressions exp)) (derivations-from-package-expressions exp))
(('argument . (? derivation-path? drv)) (('argument . (? derivation-path? drv))
drv) drv)
(('argument . (? string? x)) (('argument . (? string? x))
(match (find-packages-by-name x) (match (find-packages-by-name x)
((p _ ...) ((p _ ...)
(package-derivation %store p)) (package-derivation %store p))
(_ (_
(leave (_ "~A: unknown package") x)))) (leave (_ "~A: unknown package~%") x))))
(_ #f)) (_ #f))
opts)) opts))
(req (append-map (lambda (drv-path) (req (append-map (lambda (drv-path)
(let ((d (call-with-input-file drv-path (let ((d (call-with-input-file drv-path
read-derivation))) read-derivation)))
(derivation-prerequisites-to-build %store d))) (derivation-prerequisites-to-build %store d)))
drv)) drv))
(req* (delete-duplicates (req* (delete-duplicates
(append (remove (compose (cut valid-path? %store <>) (append (remove (compose (cut valid-path? %store <>)
derivation-path->output-path) derivation-path->output-path)
drv) drv)
(map derivation-input-path req))))) (map derivation-input-path req)))))
(if (assoc-ref opts 'dry-run?) (if (assoc-ref opts 'dry-run?)
(format (current-error-port) (format (current-error-port)
(N_ "~:[the following derivation would be built:~%~{ ~a~%~}~;~]" (N_ "~:[the following derivation would be built:~%~{ ~a~%~}~;~]"
"~:[the following derivations would be built:~%~{ ~a~%~}~;~]" "~:[the following derivations would be built:~%~{ ~a~%~}~;~]"
(length req*)) (length req*))
(null? req*) req*) (null? req*) req*)
(format (current-error-port) (format (current-error-port)
(N_ "~:[the following derivation will be built:~%~{ ~a~%~}~;~]" (N_ "~:[the following derivation will be built:~%~{ ~a~%~}~;~]"
"~:[the following derivations will be built:~%~{ ~a~%~}~;~]" "~:[the following derivations will be built:~%~{ ~a~%~}~;~]"
(length req*)) (length req*))
(null? req*) req*)) (null? req*) req*))
;; TODO: Add more options. ;; TODO: Add more options.
(set-build-options %store (set-build-options %store
#:keep-failed? (assoc-ref opts 'keep-failed?)) #:keep-failed? (assoc-ref opts 'keep-failed?)
#:build-cores (or (assoc-ref opts 'cores) 1))
(or (assoc-ref opts 'dry-run?) (or (assoc-ref opts 'dry-run?)
(and (build-derivations %store drv) (and (build-derivations %store drv)
(for-each (lambda (d) (for-each (lambda (d)
(let ((drv (call-with-input-file d (let ((drv (call-with-input-file d
read-derivation))) read-derivation)))
(format #t "~{~a~%~}" (format #t "~{~a~%~}"
(map (match-lambda (map (match-lambda
((out-name . out) ((out-name . out)
(derivation-path->output-path (derivation-path->output-path
d out-name))) d out-name)))
(derivation-outputs drv))))) (derivation-outputs drv)))))
drv)))))) drv)))))