message: Fix escaping of shell argument
  Tested manually incorrectly before
diff: @@ -66,8 +66,7 @@ export default class Deploy extends Command {
  // TODO: include shift-backend plugin?
  'backend/',
  '-d',
  - // paths in arguments do NOT need to be escaped
  - pathResolve(stagingDir, 'backend'),
  + escapeWin32(pathResolve(stagingDir, 'backend')),
  ], {
  cwd: projectDir,
  stdio: 'inherit',
  