pyenv/libexec/pyenv
2014-01-02 22:45:02 +09:00

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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
READLINK=$(type -p greadlink readlink | head -1)
if [ -z "$READLINK" ]; then
echo "pyenv: cannot find readlink - are you missing GNU coreutils?" >&2
exit 1
fi
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 "$cwd"
}
if [ -z "${PYENV_ROOT}" ]; then
PYENV_ROOT="${HOME}/.pyenv"
else
PYENV_ROOT="${PYENV_ROOT%/}"
fi
export PYENV_ROOT
if [ -z "${PYENV_DIR}" ]; then
PYENV_DIR="$(pwd)"
else
cd "$PYENV_DIR" 2>/dev/null || {
echo "pyenv: cannot change working directory to \`$PYENV_DIR'"
exit 1
} >&2
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
bin_path="${bin_path}:${plugin_bin}"
done
export PATH="${bin_path}:${PATH}"
hook_path="${PYENV_HOOK_PATH}:${PYENV_ROOT}/pyenv.d:/usr/local/etc/pyenv.d:/etc/pyenv.d:/usr/lib/pyenv/hooks"
for plugin_hook in "${PYENV_ROOT}/plugins/"*/etc/pyenv.d; do
hook_path="${hook_path}:${plugin_hook}"
done
export PYENV_HOOK_PATH="$hook_path"
shopt -u nullglob
command="$1"
case "$command" in
"" | "-h" | "--help" )
echo -e "$(pyenv---version)\n$(pyenv-help)" >&2
;;
"-v" )
exec pyenv---version
;;
* )
command_path="$(command -v "pyenv-$command" || true)"
if [ -z "$command_path" ]; then
echo "pyenv: no such command \`$command'" >&2
exit 1
fi
shift 1
exec "$command_path" "$@"
;;
esac