a shell script to set proxy in wsl2 and Linux / MacOS

proxy.sh

#!/bin/sh
if [ $(uname -r | sed -n 's/.*\( *Microsoft *\).*/\1/ip') ]; then
    hostip=${host:=$(cat /etc/resolv.conf | grep nameserver | awk '{ print $2 }')}
else
    hostip=${host:-127.0.0.1}
fi

port_http=${port_http:-10809}
port_sock=${port_sock:-10808}

PROXY_HTTP="http://${hostip}:${port_http}"
PROXY_SOCK="socks5://${hostip}:${port_sock}"

set_proxy_http() {
    export http_proxy="${PROXY_HTTP}"
    export HTTP_PROXY="${PROXY_HTTP}"

    export https_proxy="${PROXY_HTTP}"
    export HTTPS_PROXY="${PROXY_HTTP}"

    git config --global http.proxy "${PROXY_HTTP}"
    git config --global https.proxy "${PROXY_HTTP}"
}

set_proxy_sock() {
    export http_proxy="${PROXY_SOCK}"
    export HTTP_PROXY="${PROXY_SOCK}"

    export https_proxy="${PROXY_SOCK}"
    export HTTPS_PROXY="${PROXY_SOCK}"

    git config --global http.proxy "${PROXY_SOCK}"
    git config --global https.proxy "${PROXY_SOCK}"
}

unset_proxy() {
    unset http_proxy
    unset HTTP_PROXY

    unset https_proxy
    unset HTTPS_PROXY

    git config --global --unset http.proxy
    git config --global --unset https.proxy
}

test_setting_wsl() {
    wslip=$(hostname -I | awk '{print $1}')
    echo "Host ip:" ${hostip}
    echo "WSL ip:" ${wslip}
    echo "Current proxy:" $https_proxy
}

test_setting() {
    echo "Current proxy:" $https_proxy
}

if [ "$1" = "help" ]; then
    echo "[host=127.0.0.1] [port_http=10809] [port_sock=10808] source proxy.sh <help|set|set_sock|unset|test|test_wsl>"

elif [ "$1" = "set" ]; then
    set_proxy_http

elif [ "$1" = "set_sock" ]; then
    set_proxy_sock

elif [ "$1" = "unset" ]; then
    unset_proxy

elif [ "$1" = "test" ]; then
    test_setting

elif [ "$1" = "test_wsl" ]; then
    test_setting_wsl

else
    echo "Unsupported arguments."
fi

DEPRECATED

See duskmoon314/dotfiles for my current usage.

---

Usage

Place this script in Home, and add alias in .zshrc / .bashrc

alias proxy "source ~/proxy.sh"