build-system/dub: Fix typo.
* guix/build/dub-build-system.scm (grep, grep*): Correct ‘occurence’.
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016 David Craven <david@craven.ch>
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;;; Copyright © 2017 Danny Milosavljevic <dannym@scratchpost.org>
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;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -69,14 +70,14 @@
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(zero? (system* "dub" "add-path" vendor-dir))))
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(define (grep string file-name)
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"Find the first occurence of STRING in the file named FILE-NAME.
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Return the position of this occurence, or #f if none was found."
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"Find the first occurrence of STRING in the file named FILE-NAME.
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Return the position of this occurrence, or #f if none was found."
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(string-contains (call-with-input-file file-name get-string-all)
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string))
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(define (grep* string file-name)
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"Find the first occurence of STRING in the file named FILE-NAME.
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Return the position of this occurence, or #f if none was found.
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"Find the first occurrence of STRING in the file named FILE-NAME.
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Return the position of this occurrence, or #f if none was found.
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If the file named FILE-NAME doesn't exist, return #f."
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(catch 'system-error
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(lambda ()
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