pyenv/libexec/pyenv
Shengqi Chen b1ee6c93c4
Try locate readlink first in pyenv-hooks, fix #2654 (#2655)
* Remove all use of `greadlink`, fix #2654

Signed-off-by: Harry Chen <i@harrychen.xyz>

* revert greadlink back in tests

---------

Signed-off-by: Harry Chen <i@harrychen.xyz>
Co-authored-by: Anton Petrov <anton.a.petrov@gmail.com>
2023-03-28 11:25:27 +03:00

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#!/usr/bin/env bash
set -e
if [ "$1" = "--debug" ]; then
export PYENV_DEBUG=1
shift
fi
if [ -n "$PYENV_DEBUG" ]; then
# https://wiki-dev.bash-hackers.org/scripting/debuggingtips#making_xtrace_more_useful
export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
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
path="$(realpath "$1")"
echo "${path%/*}"
}
else
[ -z "$PYENV_NATIVE_EXT" ] || abort "failed to load \`realpath' builtin"
READLINK=$(type -P readlink)
[ -n "$READLINK" ] || abort "cannot find readlink - are you missing GNU coreutils?"
resolve_link() {
$READLINK "$1"
}
abs_dirname() {
local path="$1"
# Use a subshell to avoid changing the current path
(
while [ -n "$path" ]; do
cd_path="${path%/*}"
if [[ "$cd_path" != "$path" ]]; then
cd "$cd_path"
fi
name="${path##*/}"
path="$(resolve_link "$name" || true)"
done
echo "$PWD"
)
}
fi
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="$PWD"
fi
if [ ! -d "$PYENV_DIR" ] || [ ! -e "$PYENV_DIR" ]; then
abort "cannot change working directory to \`$PYENV_DIR'"
fi
PYENV_DIR=$(cd "$PYENV_DIR" && echo "$PWD")
export PYENV_DIR
shopt -s nullglob
bin_path="$(abs_dirname "$0")"
for plugin_bin in "${bin_path%/*}"/plugins/*/bin; do
PATH="${plugin_bin}:${PATH}"
done
# PYENV_ROOT can be set to anything, so it may happen to be equal to the base path above,
# resulting in duplicate PATH entries
if [ "${bin_path%/*}" != "$PYENV_ROOT" ]; then
for plugin_bin in "${PYENV_ROOT}"/plugins/*/bin; do
PATH="${plugin_bin}:${PATH}"
done
fi
export PATH="${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)"
if [ -z "$command_path" ]; then
if [ "$command" == "shell" ]; then
abort "shell integration not enabled. Run \`pyenv init' for instructions."
else
abort "no such command \`$command'"
fi
fi
shift 1
if [ "$1" = --help ]; then
if [[ "$command" == "sh-"* ]]; then
echo "pyenv help \"$command\""
else
exec pyenv-help "$command"
fi
else
exec "$command_path" "$@"
fi
;;
esac