Remote-SSH + Remote-Containers

[itzsimpl]

• VSCode Version: 1.47.0-insider
• Local OS Version: Catalina 15.5.5
• Remote OS Version: Ubuntu 18.04
• Remote Extension/Connection Type: SSH/Docker/WSL
  Remote-SSH + Remote-Containers
  Steps to Reproduce:

1. Use Remote-SSH to open folder on remote

2. the .devcontainer/devcontainer.json is not detected, although present; if I open the same folder locally the file will be detected and offer to reopen to develop in a container

3. if I click on Remote Explorer and choose Containers the containers running on the remote will be visible; however, if I click on the + sign in the containers pane, the following list of commands becomes available: "Open Current Folder in Container, Open Folder in Container, ...", but none of them has any effect

4. If I open "Command Palette" some of the Remote Container commands are missing, notably
   On local machine

On remote

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Note that, by setting remote.host to point to the same remote, I am able to use a local folder with the corresponding .devcontainer/devcontainer.json to start a dev container on the remote. This means however, that I need to have two copies of the code, one local, one remote (which is eventually mounted into the container). Furthermore, if I change the code in the container, the change is visible on the remote, but I need to go through the hassle of synching with the local machine.

Since I have the possibility to SSH on the remote, I would like a possibility to keep only one version of the code, i.e. on the remote. But in order to do that, the Remote-Containers commands need to work also on the remote while using Remote SSH.

[chrmarti]

/duplicate #2994