# ffg go mutil version manager
[中文](./README_ZH.md)
## install
```bash
cargo install ffg
```
## set environment
- `FFG_HOME` default value is `~/.ffg`
- `FFG_MIRROR` default value is [go.dev](https://go.dev), if work in china's mainland please set this value `https://studygolang.com`
## usage
- `ffg ls` list local version
- `ffg ls-remote` pull release version
- `ffg use 1.15.6` install and used
- `ffg rm 1.15.6` remove