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31 lines
817 B
31 lines
817 B
#!/usr/bin/env bash
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# Summary: Show the current Ruby version
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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if [ -z "$RBENV_VERSION" ]; then
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RBENV_VERSION_FILE="$(rbenv-version-file)"
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RBENV_VERSION="$(rbenv-version-file-read "$RBENV_VERSION_FILE" || true)"
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fi
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if [ -z "$RBENV_VERSION" ] || [ "$RBENV_VERSION" = "system" ]; then
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echo "system"
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exit
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fi
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version_exists() {
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local version="$1"
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[ -d "${RBENV_ROOT}/versions/${version}" ]
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}
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if version_exists "$RBENV_VERSION"; then
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echo "$RBENV_VERSION"
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elif version_exists "${RBENV_VERSION#ruby-}"; then
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{ echo "warning: ignoring extraneous \`ruby-' prefix in version \`${RBENV_VERSION}'"
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echo " (set by $(rbenv-version-origin))"
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} >&2
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echo "${RBENV_VERSION#ruby-}"
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else
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echo "rbenv: version \`$RBENV_VERSION' is not installed" >&2
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exit 1
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fi
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