mirror of
https://github.com/pyenv/pyenv.git
synced 2024-11-21 20:47:00 -05:00
151 lines
3.2 KiB
Bash
Executable file
151 lines
3.2 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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if [ "$1" = "--debug" ]; then
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export PYENV_DEBUG=1
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shift
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fi
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if [ -n "$PYENV_DEBUG" ]; then
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export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
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set -x
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fi
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abort() {
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{ if [ "$#" -eq 0 ]; then cat -
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else echo "pyenv: $*"
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fi
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} >&2
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exit 1
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}
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if enable -f "${BASH_SOURCE%/*}"/../libexec/pyenv-realpath.dylib realpath 2>/dev/null; then
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abs_dirname() {
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local path
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path="$(realpath "$1")"
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echo "${path%/*}"
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}
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else
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[ -z "$PYENV_NATIVE_EXT" ] || abort "failed to load \`realpath' builtin"
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READLINK=$(type -p greadlink readlink | head -1)
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[ -n "$READLINK" ] || abort "cannot find readlink - are you missing GNU coreutils?"
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resolve_link() {
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$READLINK "$1"
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}
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abs_dirname() {
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local path="$1"
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# Use a subshell to avoid changing the current path
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(
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while [ -n "$path" ]; do
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cd_path="${path%/*}"
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if [[ "$cd_path" != "$path" ]]; then
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cd "$cd_path"
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fi
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name="${path##*/}"
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path="$(resolve_link "$name" || true)"
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done
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echo "$PWD"
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)
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}
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fi
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if [ -z "${PYENV_ROOT}" ]; then
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PYENV_ROOT="${HOME}/.pyenv"
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else
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PYENV_ROOT="${PYENV_ROOT%/}"
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fi
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export PYENV_ROOT
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# Transfer PYENV_FILE_ARG (from shims) into PYENV_DIR.
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if [ -z "${PYENV_DIR}" ]; then
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if [ -n "${PYENV_FILE_ARG}" ]; then
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if [ -L "${PYENV_FILE_ARG}" ]; then
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PYENV_DIR="$(abs_dirname "${PYENV_FILE_ARG}")"
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else
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PYENV_DIR="${PYENV_FILE_ARG%/*}"
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fi
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export PYENV_DIR
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unset PYENV_FILE_ARG
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fi
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else
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[[ $PYENV_DIR == /* ]] || PYENV_DIR="$PWD/$PYENV_DIR"
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cd "$PYENV_DIR" 2>/dev/null || abort "cannot change working directory to \`$PYENV_DIR'"
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PYENV_DIR="$PWD"
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cd "$OLDPWD"
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fi
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if [ -z "${PYENV_DIR}" ]; then
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PYENV_DIR="$PWD"
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fi
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if [ ! -d "$PYENV_DIR" ] || [ ! -e "$PYENV_DIR" ]; then
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abort "cannot change working directory to \`$PYENV_DIR'"
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fi
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PYENV_DIR=$(cd "$PYENV_DIR" && echo "$PWD")
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export PYENV_DIR
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shopt -s nullglob
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bin_path="$(abs_dirname "$0")"
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for plugin_bin in "${PYENV_ROOT}/plugins/"*/bin; do
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PATH="${plugin_bin}:${PATH}"
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done
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export PATH="${bin_path}:${PATH}"
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PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${PYENV_ROOT}/pyenv.d"
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if [ "${bin_path%/*}" != "$PYENV_ROOT" ]; then
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# Add pyenv's own `pyenv.d` unless pyenv was cloned to PYENV_ROOT
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PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${bin_path%/*}/pyenv.d"
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fi
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PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:/usr/local/etc/pyenv.d:/etc/pyenv.d:/usr/lib/pyenv/hooks"
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for plugin_hook in "${PYENV_ROOT}/plugins/"*/etc/pyenv.d; do
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PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${plugin_hook}"
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done
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PYENV_HOOK_PATH="${PYENV_HOOK_PATH#:}"
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export PYENV_HOOK_PATH
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shopt -u nullglob
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command="$1"
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case "$command" in
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"" )
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{ pyenv---version
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pyenv-help
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} | abort
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;;
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-v | --version )
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exec pyenv---version
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;;
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-h | --help )
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exec pyenv-help
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;;
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* )
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command_path="$(command -v "pyenv-$command" || true)"
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if [ -z "$command_path" ]; then
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if [ "$command" == "shell" ]; then
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abort "shell integration not enabled. Run \`pyenv init' for instructions."
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else
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abort "no such command \`$command'"
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fi
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fi
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shift 1
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if [ "$1" = --help ]; then
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if [[ "$command" == "sh-"* ]]; then
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echo "pyenv help \"$command\""
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else
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exec pyenv-help "$command"
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fi
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else
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exec "$command_path" "$@"
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fi
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;;
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esac
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