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goup is an elegant Go version manager write in rust.

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NOTE: Please keep in mind that goup-rs is still under active development and therefore full backward compatibility is not guaranteed before reaching v1.0.0.

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• Minimum dependencies, only depend on git. we may remove this dependency in future.
• Multi-platform compatible (Linux, macOS & Windows).
• Install/Remove Go versions with goup install/remove [TOOLCHAIN].
• Support Installing Go from source with goup install <nightly|tip|gotip>.
• List locally installed versions.
• Switch between multiple installed versions.
• Search available version of Go.
• Manage locally cache files(such as *.tar.gz, *.tar.gz.sha256).
• Upgrade goup itself.
• Customize GOUP_HOME(default $HOME/.goup)(>= v0.11.x);
• Friendly prompt.
• Should be pretty fast.

goup is an attempt to fulfill the above features and is heavily inspired by Rustup, golang/dl, goup, goenv, gvm and getgo.

Alternatively, you can also install it using cargo.

cargo install goup-rs

or

cargo install goup-rs --git https://github.com/thinkgos/goup-rs

• (Only Linux/MacOS)Run goup init, Got shell startup script at $HOME/.goup/env.
• (Only Linux/MacOS)Add the Go bin directory to your shell startup script:
  • For bash: echo '. "$HOME/.goup/env"' >> ~/.bashrc
  • For zsh: echo '. "$HOME/.goup/env"' >> ~/.zshenv
  • For fish: echo 'source ~/.goup/env' >> ~/.config/fish/config.fish

If you want to install manually, there are the steps:

• Download the latest goup from Release Page
• Drop the goup executable to your PATH and make it executable: mv GOUP_BIN /usr/local/bin/goup && chmod +x /usr/local/bin/goup
• Run goup init, Got shell startup script at $HOME/.goup/env.
• Add the Go bin directory to your shell startup script:
  • For bash: echo '. "$HOME/.goup/env"' >> ~/.bashrc
  • For zsh: echo '. "$HOME/.goup/env"' >> ~/.zshenv
  • For fish: echo 'source ~/.goup/env' >> ~/.config/fish/config.fish

Install the latest version for your system with the MSI-installers from the Release Page, then run it.

• Download the binary compressed file for Windows version from Release Page, and then unzipping it.
• Move the goup.exe to $YOUR_PATH.
• Add the $YOUR_PATH to windows environment.

$ goup install
[2024年01月30日T00:38:48Z INFO ] Installing go1.21.10 ...
[2024年01月30日T00:38:48Z INFO ] Unpacking /home/thinkgo/.goup/go1.21.10/go1.21.10.linux-amd64.tar.gz ...
[2024年01月30日T00:38:48Z INFO ] go1.21.10 installed in /home/thinkgo/.goup/go1.21.10
[2024年01月30日T00:38:48Z INFO ] Default Go is set to 'go1.21.10'
$ goup list
| ACTIVE | VERSION |
|---------|---------|
| * | 1.21.10 |
$ go env GOROOT
/home/thinkgo/.goup/current
$ go version
go version go1.21.10 linux/amd64
$ GOUP_GO_HOST=https://golang.google.cn goup install =1.21.10

goup search [FILTER], [FILTER] can be follow value 'stable', 'unstable', 'beta' or any regex string.

$ goup search
1
...
1.21rc4
1.22rc1
$ goup search stable
1
...
1.21.4
1.21.5
1.21.10

$ goup list 
+--------+---------+
| Active | Version |
+--------+---------+
| | 1.21.10 |
+--------+---------+
| * | 1.22.3 |
+--------+---------+
| | tip |
+--------+---------+

goup install/update [TOOLCHAIN], [TOOLCHAIN] can be follow value 'stable'(default), 'nightly'('tip', 'gotip'), 'unstable', 'beta' or '=1.21.4', --dry flag means only install the version, but do not switch.

[TOOLCHAIN] you can use semver syntax to match the version, See FAQ

$ goup install 1.21.*
[2024年01月30日T00:38:48Z INFO ] Installing go1.21.10 ...
[2024年01月30日T00:38:48Z INFO ] Unpacking /home/thinkgo/.goup/go1.21.10/go1.21.10.linux-amd64.tar.gz ...
[2024年01月30日T00:38:48Z INFO ] go1.21.10 installed in /home/thinkgo/.goup/go1.21.10
[2024年01月30日T00:38:48Z INFO ] Default Go is set to 'go1.21.10'
$ goup install =1.21.4 --dry
[2024年01月30日T00:38:48Z INFO ] Installing go1.21.4 ...
[2024年01月30日T00:38:48Z INFO ] Unpacking /home/thinkgo/.goup/go1.21.4/go1.21.4.linux-amd64.tar.gz ...
[2024年01月30日T00:38:48Z INFO ] go1.21.10 installed in /home/thinkgo/.goup/go1.21.4

goup use/set [VERSION], switches to selected Go version.

$ goup use 
? Select a version ›
 1.21.5
❯ 1.21.10
 tip
[2024年01月30日T00:38:48Z INFO ] Default Go is set to 'go1.21.10'

goup remove/rm [VERSION]... Remove the specified Go version list. If no version is provided, a prompt will show to select multiple installed Go version

$ goup rm
? Select multiple version ›
✔ 1.21.5
⬚ 1.21.10
⬚ tip
✔ Select multiple version · 1.21.5

$ goup cache show --contain-sha256
go1.21.10.linux-amd64.tar.gz
go1.21.10.linux-amd64.tar.gz.sha256
$ goup cache clean
✔ Do you want to clean cache file? · yes

$ goup self update
Checking target-arch... x86_64-unknown-linux-gnu
Checking current version... v0.9.0
Checking latest released version... v0.9.0
[2024年01月30日T00:38:48Z INFO ] Update status: `v0.9.0`!

$ goup env
+---------------------------+--------------------------------+---------------------------------------------------------------------------------+
| Key | Value | Explain |
+---------------------------+--------------------------------+---------------------------------------------------------------------------------+
| GOUP_GO_HOST | https://golang.google.cn | Get upstream latest/all go version, use by 'install'/'search' |
+---------------------------+--------------------------------+---------------------------------------------------------------------------------+
| GOUP_GO_DOWNLOAD_BASE_URL | https://dl.google.com/go | Download go archive file base url, use by 'install' |
+---------------------------+--------------------------------+---------------------------------------------------------------------------------+
| GOUP_GO_SOURCE_GIT_URL | https://github.com/golang/go | Upstream source git url and get upstream go versions, use by 'install'/'search' |
+---------------------------+--------------------------------+---------------------------------------------------------------------------------+
| GOUP_GO_SOURCE_GIT_URL | https://go.googlesource.com/go | Upstream source git url, use by 'install' the gotip |
+---------------------------+--------------------------------+---------------------------------------------------------------------------------+

goup completion <SHELL> Generate the autocompletion script for the specified shell. <SHELL> possible values: bash, elvish, fish, powershell, zsh.

goup completion zsh > _goup

goup -h get more information

• goup completion <SHELL> Generate the autocompletion script for the specified shell.
• goup [help] Print this message or the help of the given subcommand(s).
• goup install/update/i [TOOLCHAIN] downloads specified version of Go to$HOME/.goup/go<VERSION|tip>/go and symlinks it to $HOME/.goup/current.
• goup use/set [VERSION] switches to selected Go version.
• goup ls/list/show list all installed Go version located at $HOME/.goup.
• goup remove/rm [VERSION]... remove the specified Go version list.
• goup search/ls-remote [FILTER] lists all available Go versions.
• goup cache [COMMAND] Manage cache archive files.
• goup self <COMMAND> Modify the goup installation.
• goup init write all necessary environment variables and values to $HOME/.goup/env.
• goup env Show the specified goup environment variables and values.

Default log level is Info. You can use goup -v <subcommand> or goup -vv <subcommand> to use Debug or Trace level.

• Compiling and Installing from source code failure?
  The minimum version of Go required depends on the target version of Go, more information see source installation instructions

• semver

  • exact(=): allow updating to the latest version that exactly the version, so =1.21.4 means exactly match the version 1.21.4.
  • greater(>): allow updating to the latest version that greater than the version, so >1.21.4 means greater than 1.21.4.
  • greater equal(>=): allow updating to the latest version that greater than or equal the version, so <1.21.4 means greater than or equal to 1.21.4.
  • less(<): allow updating to the latest version that less than the version, so <1.21.4 means less than 1.21.4.
  • less equal(<=): allow updating to the latest version that less than or equal the version, so <1.21.4 means less than or equal 1.21.4.
  • tilde(~): allow updating to the latest version that does not change the major and minor version, so ~1.21.4 means greater than or equal 1.21.4, but less than 1.22.0.
  • caret(^): allow updating to the latest version that does not change the major version, so ^1.21.4 indicates that the version must be greater than or equal to 1.21.4, but less than 2.0.0.
  • wildcard(*): The operator indicates an arbitrary version. It is usually used to allow all version numbers to match.
    • 1.21.* match all 1.21.x versions.
    • 1.*.* match all 1.x.x versions.

• Go version 1.20.x or below failed to unpack.
  resolved v0.10.3 above. more information see issue #251

• How to customize GOUP_HOME? (>= v0.11.x)
  goup use the $HOME/.goup directory as GOUP_HOME. if you want to customize the GOUP_HOME(most are Windows users), you can set GOUP_HOME environment variable to use another directory, before install goup, make sure you has set the customize GOUP_HOME environment variable and the target directory permissions, otherwise, it may lead to surprising results, refer issue #265 #270

• Some version miss sha256 file, how to install this version? goup(>= v0.12.x) support --skip-verify option, if some version miss sha256 file, you can try add the option. refer issue #300 #301 #305

• How to install specific version? Why cause Error: expected comma after minor version number, found 'r'? Sometimes, we know the exact version, we can use goup install =1.24.5, but some version do not comply with semver, like 1.25rc1, we can use goup install unstable, but this only install latest unstable version. so I add a --use-raw-version option(>= v0.12.x), we can install any version we exactly know. refer issue #299 #307

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