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guix build: Emit "nothing to do" warning only when needed.

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This is a followup to 681af1fb78.

* guix/scripts/build.scm (guix-build): Emit "nothing to do" warning only
when both DRV and ITEMS are null.
This commit is contained in:
Ludovic Courtès 2021-05-28 22:09:58 +02:00
parent 22f95a09eb
commit a44fa3742c
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1 changed files with 2 additions and 2 deletions
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guix/scripts/build.scm
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@ -679,8 +679,8 @@ needed."
(_ #f))
opts)))
(when (null? items)
(warning (G_ "no arguments specified, nothing to build~%")))
(when (and (null? drv) (null? items))
(warning (G_ "no arguments specified, nothing to do~%")))
(cond ((assoc-ref opts 'log-file?)
;; Pass 'show-build-log' the output file names, not the