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29 行
619 B
29 行
619 B
#!/usr/bin/env bash
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# Usage: pyenv version-file-read <file>
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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VERSION_FILE="$1"
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if [ -e "$VERSION_FILE" ]; then
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# Read the first non-whitespace word from the specified version file.
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# Be careful not to load it whole in case there's something crazy in it.
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versions=()
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while read -a words; do
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word="${words[0]}"
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if [ -n "$word" ]; then
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length="${#versions[@]}"
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versions=("${versions[@]}" "$word")
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fi
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done < <( cat "$VERSION_FILE" && echo )
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if [ -n "$versions" ]; then
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{
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IFS=:
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echo "${versions[*]}"
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}
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exit
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fi
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fi
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exit 1
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