substitute: Close the progress port after substitute finished.

Fixes <https://bugs.gnu.org/28756>.

* guix/scripts/substitute.scm (progress-substitution):
Call '(close-port progress)'.
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宋文武 2017-10-12 22:27:04 +08:00
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@ -962,6 +962,7 @@ DESTINATION as a nar file. Verify the substitute against ACL."
;; Unpack the Nar at INPUT into DESTINATION.
(restore-file input destination)
(close-port input)
(close-port progress)
;; Skip a line after what 'progress-reporter/file' printed, and another
;; one to visually separate substitutions.