On Arch, vi is the original Bill Joy vi.

    $ vi --version
    vi: illegal option -- -
    Usage: vi [- | -s] [-l] [-L] [-R] [-r [file]] [-t tag]
           [-v] [-V] [-w size] [+cmd | -c cmd] file...
    $ pacman -Qi vi
    Name           : vi
    Version        : 1:070224-2
    Description    : The original ex/vi text editor
    Architecture   : x86_64
    URL            : http://ex-vi.sourceforge.net/
    Licenses       : custom:ex
    Groups         : base
    Provides       : None
    Depends On     : ncurses
    Optional Deps  : s-nail: used by the preserve command for notification [installed]
    Required By    : None
    Optional For   : None
    Conflicts With : None
    Replaces       : None
    Installed Size : 290.00 KiB
    Packager       : Evangelos Foutras <[email protected]>
    Build Date     : Sun 06 Sep 2015 03:34:15 PM EDT
    Install Date   : Fri 18 Sep 2015 10:33:33 PM EDT
    Install Reason : Explicitly installed
    Install Script : No
    Validated By   : Signature

(ok, I'm not actually on Arch, but I'm downstream of Arch, and that package is directly from Arch)