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#!/usr/bin/env bash
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set -e
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# If $1 looks like v1.2.3 or v1.2.3-foo, strip the leading v, then print it to stdout
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if [[ $1 =~ ^v[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+(-.+)?$ ]]; then
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echo ${1:1}
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else
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echo $1
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fi
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