Launch VSCodium from browser VSCode Marketplace links (Mac OS X)

launch-vscodium-vscode-marketplace-links.md

Pre-requisites

1. Install VSCodium
2. Drop a product.json into ~/Library/Application Support/VSCodium with the following content[1]:

{
  "extensionsGallery": {
    "serviceUrl": "https://marketplace.visualstudio.com/_apis/public/gallery",
    "cacheUrl": "https://vscode.blob.core.windows.net/gallery/index",
    "itemUrl": "https://marketplace.visualstudio.com/items",
    "controlUrl": "",
    "recommendationsUrl": ""
  }
}

OS X URI handler

Configure using SwiftDefaultApps:

1. Install SwiftDefaultApps
2. Open the Swift Default Apps prefpane
3. In the textbox at the bottom, enter vscode and click Add
4. Find vscode in the list
5. Click Other...
6. Select VSCodium.app

Configuring using defaults utility

1. Run the following command:

defaults write com.apple.LaunchServices/com.apple.launchservices.secure LSHandlers -array-add \
"{
	LSHandlerPreferredVersions =
	{
		LSHandlerRoleAll = '-';
	};
LSHandlerRoleAll = 'com.visualstudio.code.oss';
LSHandlerURLScheme = 'vscode';
}"

Verify

Verify the change with: defaults read com.apple.LaunchServices/com.apple.launchservices.secure | grep -C 1 vscode The output should contain something like:

            LSHandlerRoleAll = "com.visualstudio.code.oss";
            LSHandlerURLScheme = vscode;

You can also verify with a browser. Entering (vscode://) in the URL bar and pressing Enter should open a prompt asking to launch VSCodium.

[1] https://github.com/VSCodium/vscodium/blob/master/DOCS.md#howto-vscode-marketplace