packages: Make the 'output' parameter of 'package-output' optional.

* guix/packages.scm (package-output): Make the 'output' parameter
  optional.
This commit is contained in:
Ludovic Courtès 2013-09-25 23:26:42 +02:00
parent f83e943fe7
commit de8bcdaeb5

View file

@ -462,8 +462,8 @@ (define* (package-cross-derivation store package target
#:outputs outputs #:system system #:outputs outputs #:system system
(args)))))))) (args))))))))
(define* (package-output store package output (define* (package-output store package
#:optional (system (%current-system))) #:optional (output "out") (system (%current-system)))
"Return the output path of PACKAGE's OUTPUT for SYSTEM---where OUTPUT is the "Return the output path of PACKAGE's OUTPUT for SYSTEM---where OUTPUT is the
symbolic output name, such as \"out\". Note that this procedure calls symbolic output name, such as \"out\". Note that this procedure calls
`package-derivation', which is costly." `package-derivation', which is costly."