Error: Command with id 'workbench.extensions.command.installFromVSIX' is not registered

[fipro78]

Bug Description:

I installed a current Theia IDE. Then I installed the CodeLLDB extension from Open VSX: https://open-vsx.org/extension/vadimcn/vscode-lldb

The extension tries to download and install the platform package for the OS. This fails with the error:

Installing platform package from https://github.com/vadimcn/codelldb/releases/download/v1.11.4/codelldb-win32-x64.vsix
Error: Error: Command with id 'workbench.extensions.command.installFromVSIX' is not registered.

In the extensions view there is the option Install from VSIX... in the More Actions menu. If I download the platform VSIX manually and install it via that option, it seems to work.

I suppose the install from VSIX action is not registered with the 'workbench.extensions.command.installFromVSIX' command id.

Steps to Reproduce:

1. Install a Theia IDE
2. Try to install CodeLLDB via the Extensions view

Additional Information

The code of the CodeLLDB extension that performs the operation is here: https://github.com/vadimcn/codelldb/blob/e5aef55fd68b54f9f33c7c293e0321d7f6396be8/extension/install.ts#L67C77-L67C92

• Operating System: Windows 11
• Theia Version: 1.59.1

[rschnekenbu]

Thanks for reporting, @fipro78!

The code in charge of compatibility for the vs code commands is located in

theia/packages/plugin-ext-vscode/src/browser/plugin-vscode-commands-contribution.ts

Line 86 in 9e43c93

export namespace VscodeCommands {

.
As we can see in this file, the 'workbench.extensions.installExtension' command has been mapped, but not the command used by the CodeLLDB extension.
The addition of the command 'workbench.extensions.command.installFromVSIX' shall probably made here. In Theia, the vsx installation commands are defined in the file

theia/packages/vsx-registry/src/browser/vsx-extensions-contribution.ts

Line 104 in d5b3afc

commands.registerCommand(VSXExtensionsCommands.INSTALL_VSIX_FILE,

. At first glance, it seems the command from VS code expect a parameter, which would probably map to the VSXExtensionsCommands.INSTALL_VSIX_FILE command parameter.