pyenv/libexec/pyenv

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#!/usr/bin/env bash
set -e
export -n CDPATH
if [ "$1" = "--debug" ]; then
export PYENV_DEBUG=1
shift
fi
if [ -n "$PYENV_DEBUG" ]; then
export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
set -x
fi
abort() {
{ if [ "$#" -eq 0 ]; then cat -
else echo "pyenv: $*"
fi
} >&2
exit 1
}
if enable -f "${BASH_SOURCE%/*}"/../libexec/pyenv-realpath.dylib realpath 2>/dev/null; then
abs_dirname() {
local path="$(realpath "$1")"
echo "${path%/*}"
}
else
[ -z "$PYENV_NATIVE_EXT" ] || abort "failed to load \`realpath' builtin"
READLINK=$(type -p greadlink readlink | head -1)
[ -n "$READLINK" ] || abort "cannot find readlink - are you missing GNU coreutils?"
resolve_link() {
$READLINK "$1"
}
abs_dirname() {
local cwd="$PWD"
local path="$1"
while [ -n "$path" ]; do
cd "${path%/*}"
local name="${path##*/}"
path="$(resolve_link "$name" || true)"
done
pwd
cd "$cwd"
}
fi
if [ -z "${PYENV_ROOT}" ]; then
PYENV_ROOT="${HOME}/.pyenv"
else
PYENV_ROOT="${PYENV_ROOT%/}"
fi
export PYENV_ROOT
# Transfer PYENV_FILE_ARG (from shims) into PYENV_DIR.
if [ -z "${PYENV_DIR}" ]; then
if [ -n "${PYENV_FILE_ARG}" ]; then
if [ -L "${PYENV_FILE_ARG}" ]; then
PYENV_DIR="$(abs_dirname "${PYENV_FILE_ARG}")"
else
PYENV_DIR="${PYENV_FILE_ARG%/*}"
fi
export PYENV_DIR
unset PYENV_FILE_ARG
fi
fi
if [ -z "${PYENV_DIR}" ]; then
PYENV_DIR="$PWD"
else
cd "$PYENV_DIR" 2>/dev/null || abort "cannot change working directory to \`$PYENV_DIR'"
PYENV_DIR="$PWD"
cd "$OLDPWD"
fi
export PYENV_DIR
shopt -s nullglob
bin_path="$(abs_dirname "$0")"
for plugin_bin in "${PYENV_ROOT}/plugins/"*/bin; do
PATH="${plugin_bin}:${PATH}"
done
export PATH="${bin_path}:${PATH}"
PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${PYENV_ROOT}/pyenv.d"
if [ "${bin_path%/*}" != "$PYENV_ROOT" ]; then
# Add pyenv's own `pyenv.d` unless pyenv was cloned to PYENV_ROOT
PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${bin_path%/*}/pyenv.d"
fi
PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:/usr/local/etc/pyenv.d:/etc/pyenv.d:/usr/lib/pyenv/hooks"
for plugin_hook in "${PYENV_ROOT}/plugins/"*/etc/pyenv.d; do
PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${plugin_hook}"
done
PYENV_HOOK_PATH="${PYENV_HOOK_PATH#:}"
export PYENV_HOOK_PATH
shopt -u nullglob
command="$1"
case "$command" in
"" )
{ pyenv---version
pyenv-help
} | abort
;;
-v | --version )
exec pyenv---version
;;
-h | --help )
exec pyenv-help
;;
* )
command_path="$(command -v "pyenv-$command" || true)"
[ -n "$command_path" ] || abort "no such command \`$command'"
shift 1
if [ "$1" = --help ]; then
exec pyenv-help "$command"
else
exec "$command_path" "$@"
fi
;;
esac