I just realised that we don't have an update command for updating a module/theme/layout to a new version. We should add one.

Work is in progress on the issue-111-update-command branch. Huge thanks to @TheMetMan for getting this feature started.

• Update Command - Add support for updating core #296
• Update Command - Check the download is successful before deleting the existing folder #297
• Update Command - Add tests #298
• Update Command - Multisite shared modules are replaced by site specific #299
• Update Command - Allow command to only download security updates #300
• Update Command - allow arguments for one or more projects to be selected for update #301
• Update Command - Error for Latest Version if "No update data available for module" #303

The current branch should work ok for a single site, or a multisite that only uses site specific module/theme/layout folders. It will download all updates.

⚠️ WARNING: It is not recommended to use this branch directly on production until #297 is merged. ⚠️