Awesome

gg (go-graft)

What is gg?

gg is a command-line tool for one-click proxy in your research and development.

You can just add gg before another command to redirect its traffic to your proxy without installing v2ray or anything else. Usage example: gg python -m pip install torch.

It was inspired by graftcp, is a pure golang implementation with more useful features.

Why did I create go-graft?

I am so tired of the poor network condition in my research and development. But I do not want to install v2ray in the working servers because it is too heavy.

Thus, I need a light and portable command-line tool to help me download and install dependencies and software on various servers.

Advantages

Compared to proxychains or graftcp, we have the following advantages:

Use it independently without any other proxy utils.
UDP support.
Support golang programs. See applications built by Go can not be hook by proxychains-ng .

Installation

Run this command to download the latest release of go-graft:
```
sudo sh -c "$(curl -L https://github.com/mzz2017/gg/raw/main/release/go.sh)"
```
Without sudo, gg will be installed to the user directory.

If the command gg fails after installation, check your $PATH.

You can also create a symbolic link to /usr/bin or any other directory in your path.

For example:
```
sudo ln -s /usr/local/bin/gg /usr/bin/gg
```
Test the installation.
```
$ gg --version
gg version 0.1.1
```

Usage

Examples:

Configure the subscription:

gg config -w subscription='https://example.com/path/to/sub'

Test with cloning linux repo:

gg git clone --depth=1 https://github.com/torvalds/linux.git

Output:

Cloning into 'linux'...
...
Receiving objects: 100% (78822/78822), 212.19 MiB | 7.04 MiB/s, done.
Resolving deltas: 100% (7155/7155), done.

Or just redirect the traffic of whole shell session to your proxy:

gg bash

git clone --depth=1 https://github.com/torvalds/linux.git
curl ipv4.appspot.com

Temporarily use

Use share-link

# if no configuration was written before, a share-link will be required to input.
gg wget -O frp.tar.gz https://github.com/fatedier/frp/releases/download/v0.38.0/frp_0.38.0_linux_amd64.tar.gz

Enter the share-link of your proxy: ********
...
Saving to: ‘frp.tar.gz’
frp.tar.gz 100%[=====================================================>] 8.44M 12.2MB/s in 0.7s    
2021-12-06 09:21:08 (12.2 MB/s) - ‘frp.tar.gz’ saved [8848900/8848900]

Or use --node:

gg --node ss://YWVzLTEyOC1nY206MQ@example.com:17247 speedtest

Retrieving speedtest.net configuration...
Testing from Microsoft (13.xx.xx.xx)...
...
Hosted by xxx: 55.518 ms
Testing download speed................................................................................
Download: 104.83 Mbit/s
Testing upload speed......................................................................................................
Upload: 96.35 Mbit/s

Use subscription

By default, gg will automatically select the first available node from the subscription:

gg --subscription https://example.com/path/to/sub docker pull caddy

Using default tag: latest
latest: Pulling from library/caddy
97518928ae5f: Pull complete
23ccae726125: Pull complete
3de6a61c89ac: Pull complete
39ed957bdc00: Pull complete
0ae44c2d42dd: Pull complete
Digest: sha256:46f11f4601ecb4c5a37d6014ad51f5cbfeb92b70f5c9ec6c2ac39c4c1a325588
Status: Downloaded newer image for caddy:latest
docker.io/library/caddy:latest

Select the node manually:

gg --subscription https://example.com/path/to/sub --select curl ipv4.appspot.com

WARN[0000] Test nodes...
Use the arrow keys to navigate: ↓ ↑ → ←  and / toggles search
Select Node
  🛪 [200Mbps] LoadBalance (323 ms)
    [200Mbps] LoadBalance Trojan (448 ms)
    [30M] CN2-US Cera (560 ms)
    [1Gbps] 4837-US (781 ms)
    [10Gbps] CN2-DE (811 ms)
    [300Mbps] Macau (1023 ms)
    [300Mbps] IPv6 LoadBalance (-1 ms)
↓   [1Gbps] RackNerd (-1 ms)

--------- Detail ----------
Name:               [200Mbps] LoadBalance
Protocol:           shadowsocks
Support UDP:        true
Latency:            323 ms

Long-term use

Write a config variable with -w:

Set subscription:

gg config -w subscription=https://example.com/path/to/sub
gg curl ipv4.appspot.com

13.141.150.163

Set node:

gg config -w node=vmess://MY_VMESS_SERVER_SHARE_LINK
gg curl ipv4.appspot.com

53.141.112.10

List config variables:

gg config

node=
subscription.link=https://example.com/path/to/sub
subscription.select=first
subscription.cache_last_node=true
cache.subscription.last_node=trojan-go://MY_TROJAN_GO_SERVER_SHARE_LINK
no_udp=false
test_node_before_use=true

Unset or reset specific config variable:

gg config -u node

node=

Read specific config variable:

gg config node

vmess://MY_VMESS_SERVER_SHARE_LINK

Q&A

Q: When I use sudo gg xxx, it remains to ask me for share-link even though config has been set. How to solve it?

A: Use sudo -E gg xxx to solve it.
Q: Can I use it on my IPv6-only machine?

A: Of course, as long as your proxy server has an IPv6 entry.
Q: When I use gg sudo xxx, I get sudo: effective uid is not 0, ..., how can I fix it?

A: You should run sudo gg xxx instead, because setuid and ptrace can not work together. See stackoverflow.
Q: When I use oh-my-zsh, it reports git: 'gui' is not a git command. See 'git --help'., ho can I fix it?

A: It is a problem of oh-my-zsh, it added an alias from gg to git gui. Append following content to ~/.zshrc:
```
unalias gg
```

Shell autocompletion

If you want to complete other commands while using gg, please follow the method below:

bash

Add this line to ~/.bashrc:

complete -F _command gg

zsh

Add this line to ~/.zshrc:

compdef _precommand gg

If you get an error like complete:13: command not found: compdef, add following content in the beginning of the .zshrc file.

autoload -Uz compinit
compinit

fish

Write following content in ~/.config/fish/completions/gg.fish:

# fish completion for gg

function __fish_gg_print_remaining_args
    set -l tokens (commandline -opc) (commandline -ct)
    set -e tokens[1]
    if test -n "$argv"
        and not string match -qr '^-' $argv[1]
        string join0 -- $argv
        return 0
    else
        return 1
    end
end

function __fish_complete_gg_subcommand
    set -l args (__fish_gg_print_remaining_args | string split0)
    __fish_complete_subcommand --commandline $args
end

# Complete the command we are executed under gg
complete -c gg -x -a "(__fish_complete_gg_subcommand)"