Installing two go releases side-by-side

[aind...@gmail.com]

I currently have the distribution "go version go1.7.1 darwin/amd64" installed. However, I'd like to test my applications on the 1.8 beta. 

• Is it okay to install another distribution without messing up the environment variables?
  
• If I build from source, can I scope the installation to a specific directory? 
  
• What is the recommended procedure for having multiple installations side-by-side?
  

Thank You,

Akhil Indurti

[aind...@gmail.com]

Never mind, I figured it out. As long as I export a separate $GOROOT during compile, it works fine. To sum up, I just

1. Downloaded and unpacked the source
2. cd'd into src/. exported $GOROOT_BOOTSTRAP to /usr/local/go (in my case).
3. run ./all.bash. as long as you don't add the bin directory to PATH, it won't mess it up.

[Alper Köse]

Hi, you can also use docker. 

There are official docker images in docker hub: https://hub.docker.com/_/golang/

As shown in the docker hub page, you can use the command:

docker run --rm -v "$PWD":/usr/src/myapp -w /usr/src/myapp golang:1.6 go build

This way you can easily use whichever version you require.

[Dave Cheney]

You can build as many different versions of Go as you need by checking the source out into different locations and running the src/make.bash script.

You should not set GOROOT, building from source will encode the correct location into the bin/go tool during the process.

To make life simpler for yourself, add a symlink to the various versions of the go tool you have built, eg.

ln -s $HOME/go1.6/bin/go $HOME/bin/go1.6

Dave

[Akhil Indurti]

Yeah, I don't set $GOROOT, but $GOROOT_BOOTSTRAP in order to compile.

Symlinking might be a good idea for convenience, but can I use my system-wide $GOPATH to test my src, or do I duplicate that as well.

Thank You

Dave

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[Dave Cheney]

You never need to set GOROOT and setting GOROOT will bring you confusing problems to debug in the future.

Thank You

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[Caleb Doxsey]

The easy solution here is gimme.

$ eval "$(gimme 1.8beta2)"

Downloads and installs go and sets all the environment variables for you.

On Wednesday, December 14, 2016 at 11:58:55 AM UTC-5, aind...@gmail.com wrote:

[Seb Binet]

On Fri, Dec 16, 2016 at 1:02 PM, Caleb Doxsey <ca...@doxsey.net> wrote:

The easy solution here is gimme.

$ eval "$(gimme 1.8beta2)"

Downloads and installs go and sets all the environment variables for you.

there's also something happening here:

https://godoc.org/golang.org/x/build/version/go1.8beta1

https://godoc.org/golang.org/x/build/version/go1.8beta2

-s

 

On Wednesday, December 14, 2016 at 11:58:55 AM UTC-5, aind...@gmail.com wrote:

I currently have the distribution "go version go1.7.1 darwin/amd64" installed. However, I'd like to test my applications on the 1.8 beta. 

• Is it okay to install another distribution without messing up the environment variables?
  
• If I build from source, can I scope the installation to a specific directory? 
  
• What is the recommended procedure for having multiple installations side-by-side?
  

Thank You,

Akhil Indurti

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[Seb Binet]

see: https://go-review.googlesource.com/c/34385/

-s

[Francisco Souza]

On Fri, Dec 16, 2016 at 7:05 AM, Seb Binet <seb....@gmail.com> wrote:
>
>
> On Fri, Dec 16, 2016 at 1:02 PM, Caleb Doxsey <ca...@doxsey.net> wrote:
>>
>> The easy solution here is gimme.
>>
>>
>> $ eval "$(gimme 1.8beta2)"
>>
>>
>> Downloads and installs go and sets all the environment variables for you.
>
>
> there's also something happening here:
> https://godoc.org/golang.org/x/build/version/go1.8beta1
> https://godoc.org/golang.org/x/build/version/go1.8beta2

gimme doesn't require go to install go.