[IMPROVEMENT] Allow to pass --x-install-root to vcpkg

[CyberSinh]

Please confirm these before moving forward.

• I have searched for my feature proposal and have not found a work-in-progress/duplicate/resolved/discarded issue.
• This improvement refers to an existing feature. If you want to suggest a new feature, please use this template.
• This improvement is not a bug. If you want to report a bug, please use this template.

Describe the improvement

I don't use the default location for installing vcpkg packages. Therefore, when I want to update them, I have to pass the --x-install-root argument to the vcpkg executable. It turns out that the uniget interface doesn't allow you to customize the package destination.

So, I have to run manually this command to update my vcpkg packages:
.\vcpkg.exe upgrade --x-install-root=E:\Home\Important\Development\Library\vcpkg_installed --no-dry-run

Describe how this improvement could help users

This enhancement will enable users to keep their vcpkg packages up to date even when they are installed in a specific folder.

[marticliment]

Please install UniGetUI 3.2.1-beta2 (https://github.com/marticliment/UniGetUI/releases/tag/3.2.1-beta2). Then, go to Package Managers -> Vcpkg, and scroll to "default install options". There you can specify default options for all vcpkg packages

[marticliment]

Please let me know if this works

[CyberSinh]

Hi Martí Climent (@marticliment)

It doesn't work in the latest stable version of UniGetUI.

It is possible to define custom arguments for installing, updating and uninstalling packages, but NOT for searching for updates.

.\vcpkg.exe --vcpkg-root="D:\Temporaire\Development\vcpkg" list
No packages are installed. Did you mean `search`?

To enable vcpkg to check for updates to my packages, I need to use the command:

.\vcpkg.exe --vcpkg-root="D:\Temporaire\Development\vcpkg" --x-install-root=E:\Home\Important\Development\Library\vcpkg_installed list

In short, the x-install-root argument must be able to be passed to all vcpkg commands, including the update search.

[marticliment]

Ah, I see what you mean. But you can change the package root from UniGetUI already, right?

[CyberSinh]

No, "Install location can't be changed for vcpkg packages" :

[marticliment]

no, on package manager settings - > vcpkg settings there is an option to change vcpkg root

[CyberSinh]

The vcpkg-root argument is different from x-install-root.

[marticliment]

My bad. I got confused.