Install SDK respecting global.json configuration

[mattinsp]

Is your feature request related to a problem? Please describe.

The dotnet CLI should allow installation of SDK versions respecting the configuration in global.json.

Describe the solution you'd like

dotnet sdk install <version> - version should be optional and omitting it should utilise the global.json file.

Additional context

dotnet-install.ps1. exists and allows a jsonfile to be set but this does not respect the "rollForward" configuration which significantly limits its use.

[marcpopMSFT]

Moving since the request is related to the install scripts. We are looking into CLI commands for update/install but those will come in a future release.

[YuliiaKovalova]

Hi @baronfel ,

Could you please to prioritize this work?
Thank you!

[mattinsp]

Moving since the request is related to the install scripts. We are looking into CLI commands for update/install but those will come in a future release.

The problem and requested solution clearly indicate that this is about the dotnet CLI, why was this moved?

[YuliiaKovalova]

Moving since the request is related to the install scripts. We are looking into CLI commands for update/install but those will come in a future release.

The problem and requested solution clearly indicate that this is about the dotnet CLI, why was this moved?

cc: @marcpopMSFT

[mattinsp]

@YuliiaKovalova I believe #468 addresses this issues with the install scripts which is good to see, but this also needs implementation in the dotnet CLI of course.

[marcpopMSFT]

I moved it as I took the additional context to be about supporting rollforward in the install scripts. It's true that there is also a suggestion to have this capability in the dotnet CLI which would live in the sdk repo but we have an issue tracking improving the acquisition already:
dotnet/sdk#14960

So I think since we have 14960 and 468, perhaps this issue can be closed and tracked there?

[YuliiaKovalova]

Expected work from install-scripts side will be handled in scope of
#468