Unable to pass paratmers to file in dotfile install command

• VSCode Version:
• Local OS Version:
• Remote OS Version:
  For all the above -
  Version: 1.45.1 (user setup)
  Commit: 5763d909d5f12fe19f215cbfdd29a91c0fa9208a
  Date: 2020-05-14T08:27:35.169Z
  Electron: 7.2.4
  Chrome: 78.0.3904.130
  Node.js: 12.8.1
  V8: 7.8.279.23-electron.0
  OS: Windows_NT x64 10.0.19041
• Remote Extension/Connection Type: SSH/Docker/WSL: docker (devcontainer)

Steps to Reproduce:

1. In dotfile install command pass parameter to the file like ~/dotfiles/install.sh force (force is the argument)
2. Dotfile execution fails as it says the file is not executable

[9987 ms] Start: Run in container: # Clone & install dotfiles
[11573 ms] ~/dotfiles/install.sh force not executable
[11573 ms] Cloning into '/home/vscode/dotfiles'...
/bin/sh: 39: [: ~/dotfiles/install.sh: unexpected operator

The issue seems to be with this line in dotfiles.ts.

[ -x filepah ] returns true only if the filepath exists and is executable. I couldn't make it work with filepath having the arguments to file. I have no idea if there is some shell magic to make it work.

Start in src/common/dotfiles.ts at the linked line and reproduce the dotfile install command in a Docker devcontainer with an argument such as force. Check how the executable test handles the file path and its parameters; done means the command accepts parameters without reporting the dotfile as non-executable.