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dotfiles/config/fish/functions/__bash2env.sh

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#!/usr/bin/env bash
# Copyright (c) 2022 Huang-Huang Bao
#
# This software is released under the MIT License.
# https://opensource.org/licenses/MIT
# shellcheck disable=SC2076
set -e
disallowd_vars_arr=(
_
fish_kill_signal
fish_killring
fish_pid
history
hostname
PWD
pipestatus
SHLVL
status
status_generation
version
)
disallowd_vars=" ${disallowd_vars_arr[*]} "
fish_escape() {
value="${1//\\/\\\\}"
value="${value//\'/\\\'}"
echo "'${value}'"
}
flag_impure="$__FISH_BASH2ENV_IMPURE"
unset __FISH_BASH2ENV_IMPURE
if [[ -z "$flag_impure" ]]; then
old_env=" $(env -0 | tr '\0' ' ') "
fi
eval_status=
eval "$*" 1>&2 || eval_status=$?
env -0 | while IFS= read -rs -d $'\0' line; do
if [[ -z "$flag_impure" && "${old_env}" =~ " ${line} " ]]; then
continue
fi
name="${line%%=*}"
if [[ "${disallowd_vars}" =~ " ${name} " ]]; then
continue
fi
value="$(fish_escape "${line#*=}")"
echo "set -gx ${name} ${value}"
done
exit $eval_status