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guix-package: Gracefully report non-existing outputs. 

* guix-package.in (guix-package)[find-package](ensure-output): New
  procedure. Use it to validate SUB-DRV.
master
Ludovic Courtès 2013-02-01 09:17:35 +01:00
parent 0f5378ebc4
commit aa92cf980c
2 changed files with 19 additions and 3 deletions
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12
guix-package.in
View File

@ -402,6 +402,14 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n"))
;; sub-derivation name.
(define request name)
(define (ensure-output p sub-drv)
(if (member sub-drv (package-outputs p))
p
(leave (_ "~a: error: package `~a' lacks output `~a'~%")
(location->string (package-location p))
(package-full-name p)
sub-drv)))
(let*-values (((name sub-drv)
(match (string-rindex name #\:)
(#f (values name "out"))
@ -411,7 +419,7 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n"))
(package-name->name+version name)))
(match (find-packages-by-name name version)
((p)
(list name (package-version p) sub-drv p))
(list name (package-version p) sub-drv (ensure-output p sub-drv)))
((p p* ...)
(format (current-error-port)
(_ "warning: ambiguous package specification `~a'~%")
@ -420,7 +428,7 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n"))
(_ "warning: choosing ~a from ~a~%")
(package-full-name p)
(location->string (package-location p)))
(list name (package-version p) sub-drv p))
(list name (package-version p) sub-drv (ensure-output p sub-drv)))
(()
(leave (_ "~a: package not found~%") request)))))

10
tests/guix-package.sh
View File

@ -120,6 +120,13 @@ fi
# Make sure the `:' syntax works.
guix-package --bootstrap -i "binutils:lib" -p "$profile" -n
# Make sure nonexistent outputs are reported.
guix-package --bootstrap -i "guile-bootstrap:out" -p "$profile" -n
if guix-package --bootstrap -i "guile-bootstrap:does-not-exist" -p "$profile" -n;
then false; else true; fi
if guix-package --bootstrap -i "guile-bootstrap:does-not-exist" -p "$profile";
then false; else true; fi
# Check whether `--list-available' returns something sensible.
guix-package -A 'gui.*e' | grep guile
@ -161,4 +168,5 @@ do
done
# Extraneous argument.
! guix-package install foo-bar
if guix-package install foo-bar;
then false; else true; fi