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import: pypi: Gracefully handle wrong argument counts.

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* guix/scripts/import/pypi.scm (guix-import-pypi): Use 'leave' to handle
  cases where ARGS has zero or two or more elements.
This commit is contained in:
Ludovic Courtès 2014-11-05 18:04:16 +01:00
parent 467a3c93db
commit 84934f40d1
1 changed files with 5 additions and 1 deletions
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6
guix/scripts/import/pypi.scm
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@ -84,4 +84,8 @@ (define (parse-options)
(unless sexp (unless sexp
(leave (_ "failed to download meta-data for package '~a'~%") (leave (_ "failed to download meta-data for package '~a'~%")
package-name)) package-name))
sexp))))) sexp))
(()
(leave (_ "too few arguments~%")))
((many ...)
(leave (_ "too many arguments~%"))))))