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49 lines
1.1 KiB
Bash
Executable file
49 lines
1.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Summary: List all Ruby versions available to rbenv
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# Usage: rbenv versions [--bare]
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#
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# Lists all Ruby versions found in `$RBENV_ROOT/versions/*'.
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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if [ "$1" = "--bare" ]; then
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hit_prefix=""
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miss_prefix=""
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current_version=""
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include_system=""
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else
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hit_prefix="* "
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miss_prefix=" "
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current_version="$(rbenv-version-name || true)"
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include_system="1"
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fi
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num_versions=0
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print_version() {
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if [ "$1" == "$current_version" ]; then
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echo "${hit_prefix}$(rbenv-version 2>/dev/null)"
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else
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echo "${miss_prefix}$1"
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fi
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num_versions=$((num_versions + 1))
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}
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# Include "system" in the non-bare output, if it exists
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if [ -n "$include_system" ] && RBENV_VERSION=system rbenv-which ruby >/dev/null 2>&1; then
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print_version system
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fi
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shopt -s nullglob
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for path in "${RBENV_ROOT}/versions/"*; do
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if [ -d "$path" ]; then
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print_version "${path##*/}"
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fi
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done
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shopt -u nullglob
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if [ "$num_versions" -eq 0 ] && [ -n "$include_system" ]; then
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echo "Warning: no Ruby detected on the system" >&2
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exit 1
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fi
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