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https://github.com/pyenv/pyenv.git
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63 lines
1.3 KiB
Bash
Executable file
63 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Summary: List all Python versions available to pyenv
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# Usage: pyenv versions [--bare]
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#
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# Lists all Python versions found in `$PYENV_ROOT/versions/*'.
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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if [ "$1" = "--bare" ]; then
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hit_prefix=""
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miss_prefix=""
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current_versions=()
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include_system=""
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else
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hit_prefix="* "
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miss_prefix=" "
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OLDIFS="$IFS"
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IFS=: current_versions=($(pyenv-version-name || true))
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IFS="$OLDIFS"
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include_system="1"
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fi
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num_versions=0
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exists() {
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local car="$1"
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local cdar
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shift
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for cdar in "$@"; do
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if [ "${car}" == "${cdar}" ]; then
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return 0
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fi
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done
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return 1
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}
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print_version() {
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if exists "$1" "${current_versions[@]}"; then
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echo "${hit_prefix}$1 (set by $(pyenv-version-origin))"
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else
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echo "${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 "$include_system" ] && PYENV_VERSION=system pyenv-which python >/dev/null 2>&1; then
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print_version system
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fi
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shopt -s nullglob
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for path in "${PYENV_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 Python detected on the system" >&2
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exit 1
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fi
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