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22 lines
514 B
Bash
Executable file
22 lines
514 B
Bash
Executable file
#!/usr/bin/env bash
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# Usage: rbenv version-file-read <file>
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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VERSION_FILE="$1"
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if [ -s "$VERSION_FILE" ]; then
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# Read the first word from the specified version file. Avoid reading it whole.
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IFS="${IFS}"$'\r'
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words=( $(cut -b 1-1024 "$VERSION_FILE") )
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version="${words[0]}"
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if [ "$version" = ".." ] || [[ $version == */* ]]; then
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echo "rbenv: invalid version in \`$VERSION_FILE'" >&2
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elif [ -n "$version" ]; then
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echo "$version"
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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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