#!/usr/bin/env bash

#

# Summary: Display the full path to an executable

#

# Usage: pyenv which <command>

#

# Displays the full path to the executable that pyenv will invoke when

# you run the given command.

set -e

[ -n "$PYENV_DEBUG" ] && set -x

# Provide pyenv completions

if [ "$1" = "--complete" ]; then

exec pyenv shims --short

fi

expand_path() {

if [ ! -d "$1" ]; then

return 1

fi

local cwd="$(pwd)"

cd "$1"

pwd

cd "$cwd"

}

remove_from_path() {

local path_to_remove="$(expand_path "$1")"

local result=""

if [ -z "$path_to_remove" ]; then

echo "${PATH}"

return

fi

local paths

IFS=: paths=($PATH)

for path in "${paths[@]}"; do

path="$(expand_path "$path" || true)"

if [ -n "$path" ] && [ "$path" != "$path_to_remove" ]; then

result="${result}${path}:"

fi

done

echo "${result%:}"

}

OLDIFS="$IFS"

IFS=: versions=($(pyenv-version-name))

IFS=: PYENV_VERSION="${versions[*]}"

IFS="$OLDIFS"

PYENV_COMMAND="$1"

if [ -z "$PYENV_COMMAND" ]; then

pyenv-help --usage which >&2

exit 1

fi

for version in "${versions[@]}"; do

if [ "$version" = "system" ]; then

PATH="$(remove_from_path "${PYENV_ROOT}/shims")"

PYENV_COMMAND_PATH="$(command -v "$PYENV_COMMAND" || true)"

else

PYENV_COMMAND_PATH="${PYENV_ROOT}/versions/${version}/bin/${PYENV_COMMAND}"

fi

if [ -x "$PYENV_COMMAND_PATH" ]; then

break

fi

done

OLDIFS="$IFS"

IFS=$'\n' scripts=(`pyenv-hooks which`)

IFS="$OLDIFS"

for script in "${scripts[@]}"; do

source "$script"

done

if [ -x "$PYENV_COMMAND_PATH" ]; then

echo "$PYENV_COMMAND_PATH"

else

echo "pyenv: $PYENV_COMMAND: command not found" >&2

versions="$(pyenv-whence "$PYENV_COMMAND" || true)"

if [ -n "$versions" ]; then

{ echo

echo "The \`$1' command exists in these Python versions:"

echo "$versions" | sed 's/^/ /g'

echo

} >&2

fi

exit 127

fi