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scripts/make-latest.sh: show usage with no arguments
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@ -22,6 +22,7 @@ done
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if [ -z "$version" ]; then
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printf >&2 -- '%s: must specify --version\n' "$0"
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printf >&2 -- 'usage: %s --version=<version> [--url=<url>]\n' "$0"
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exit 1
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fi
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