/show_pyenv_version.sh Secret
Created
November 24, 2021 16:48
A fast way to determine pyenv version
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#!/bin/bash | |
# Inspired by https://gitlab.com/bersace/powerline.bash | |
__retval="" | |
__find_parent() { | |
local cwd="$1" | |
local name="$2" | |
__retval=() | |
while [ "$cwd" ] ; do | |
if [ -e "$cwd/$name" ] ; then | |
__retval=("$cwd/$name") | |
return | |
fi | |
cwd="${cwd%/*}" | |
done | |
} | |
__pyenv_version_name() { | |
local dir="$PWD" | |
# Case 1: env variable PYENV_VERSION is set | |
__retval=("${PYENV_VERSION-}") | |
if [ -n "${_retval[*]}" ] ; then | |
return | |
fi | |
# Case 2: a .python_version file is found here or case 3: in a parent dir | |
__find_parent "${dir}" .python-version | |
if [ -n "${__retval[*]}" ] && readarray __retval < "${__retval[*]}" 2>/dev/null ; then | |
# read found something and recorded it, we're OK | |
return | |
fi | |
# Case 4: a ${PYENV_ROOT}/version file exists | |
if [ -v PYENV_ROOT ] ; then | |
if [ -f "${PYENV_ROOT}/version" ] ; then | |
readarray -n 1 -t __retval < "${PYENV_ROOT}"/version 2>/dev/null | |
fi | |
fi | |
return | |
} | |
__pyenv_version_name | |
echo $__retval |
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