Repl prepends whitespaces to wrapped lines causing issues with select+copy

[nkvoll]

The Repl prepends prompt.size whitespace characters to the beginning of new visual input lines (after soft wrapping). This makes it impossible (or dangerous) to copy using select + copy previous input from one shell to another because the contents may have changed depending on the terminal width and prompt size.

Consider this example: (using a short terminal width):

@ val foo = "lorem ipsum and the r
  est lorem ipsum and the rest lor
  em ipsum and the rest lorem ipsu
  m and the rest lorem ipsum and t
  he rest lorem ipsum and the rest
  "
foo: String = "lorem ipsum and the
 rest lorem ipsum and the rest lor
em ipsum and the rest lorem ipsum 
and the rest lorem ipsum and the r
est lorem ipsum and the rest"
@

Copying the first val (selecting everything from the first " to the last " from the input) results int he following string "lorem ipsum and the r est lorem ipsum and the rest lor em ipsum and the rest lorem ipsu m and the rest lorem ipsum and t he rest lorem ipsum and the rest " (notice the double-spaces added).

[lihaoyi]

Yep this is a problem. This is even worse for code, because the random spaces will probably break whatever snippet you were running and it won't even compile.

Here's a solution that I just found: Fish Shell does this pretty neat thing:

Where if your command takes more than one line, they kick it to the next line below the prompt and have it start from the far left. This preserves both the "normal" single-line experience, provides a properly-aligned multi-line experience, and allows correct C&P.

[nkvoll]

That sounds like a sensible solution :)

[lihaoyi]

This continues to annoy me