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guix-build: Add `--derivations'. 

* guix-build.in (show-help): Add `--derivations'.
  (%options): Likewise.
  (guix-build): Handle it.
This commit is contained in:
Ludovic Courtès 2012-09-04 23:43:24 +02:00
parent 5dba31494e
commit 609354bf0a
1 changed files with 19 additions and 12 deletions
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31
guix-build.in
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@ -84,6 +84,8 @@ Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
(display (_ "
-S, --source build the packages' source derivations"))
(display (_ "
-d, --derivations return the derivation paths of the given packages"))
(display (_ "
-K, --keep-failed keep build tree of failed builds"))
(display (_ "
-n, --dry-run do not build the derivations"))
@ -112,6 +114,9 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
(option '(#\S "source") #f #f
(lambda (opt name arg result)
(alist-cons 'source? #t result)))
(option '(#\d "derivations") #f #f
(lambda (opt name arg result)
(alist-cons 'derivations-only? #t result)))
(option '(#\e "expression") #t #f
(lambda (opt name arg result)
(alist-cons 'expression
@ -196,15 +201,17 @@ Report bugs to: ~a.~%") "@PACKAGE_BUGREPORT@"))
#:build-cores (or (assoc-ref opts 'cores)
(current-processor-count)))
(or (assoc-ref opts 'dry-run?)
(and (build-derivations %store drv)
(for-each (lambda (d)
(let ((drv (call-with-input-file d
read-derivation)))
(format #t "~{~a~%~}"
(map (match-lambda
((out-name . out)
(derivation-path->output-path
d out-name)))
(derivation-outputs drv)))))
drv)))))
(if (assoc-ref opts 'derivations-only?)
(format #t "~{~a~%~}" drv)
(or (assoc-ref opts 'dry-run?)
(and (build-derivations %store drv)
(for-each (lambda (d)
(let ((drv (call-with-input-file d
read-derivation)))
(format #t "~{~a~%~}"
(map (match-lambda
((out-name . out)
(derivation-path->output-path
d out-name)))
(derivation-outputs drv)))))
drv))))))