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utils: Make sure `substitute' writes all its output.

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* guix/build/utils.scm (substitute): Close OUT before renaming it.
This commit is contained in:
Ludovic Courtès 2012-07-06 00:51:55 +02:00
parent 1a7d8e2048
commit 8e6ecb1400
1 changed files with 1 additions and 0 deletions
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guix/build/utils.scm
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@ -170,6 +170,7 @@ (define (substitute file pattern match-proc)
(display line out)
(newline out)))
(loop (read-line in)))))))
(close out)
(rename-file template file))
(lambda (key . args)
(false-if-exception (delete-file template))))))