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11 changes: 9 additions & 2 deletions lib/vimgolf/lib/vimgolf/cli.rb
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,9 @@ module VimGolf

GOLFDEBUG = ENV['GOLFDEBUG'].to_sym rescue false
GOLFHOST = ENV['GOLFHOST'] || "https://www.vimgolf.com"
GOLFSHOWDIFF = ENV['GOLFSHOWDIFF'] || 'vim -d -n'
GOLFVIM = ENV['GOLFVIM'] || 'vim'
# Use provided vim by default
GOLFSHOWDIFF = ENV['GOLFSHOWDIFF'] || GOLFVIM + ' -d -n'

class Error
end
Expand Down Expand Up @@ -130,10 +131,16 @@ def play(challenge)
# -u vimrc - load vimgolf .vimrc to level the playing field
# -U NONE - don't load .gvimrc
# -W logfile - keylog file (overwrites if already exists)
vimcmd = GOLFVIM.shellsplit + %W{-Z -n --noplugin -i NONE +0 -u #{challenge.vimrc_path} -U NONE -W #{challenge.log_path} #{challenge.work_path}}
vimcmd = GOLFVIM.shellsplit + %W{-n --noplugin -i NONE +0 -u #{challenge.vimrc_path} -U NONE -W #{challenge.log_path} #{challenge.work_path}}
if GOLFVIM == "gvim"
vimcmd += %W{ --nofork}
end
# neovim does not support -Z
# Technically this makes cheating easier,
# but with custom GOLFVIM one could always make a script to filter -Z out
if GOLFVIM != "nvim"
vimcmd += %W{ -Z}
end
debug(vimcmd)
system(*vimcmd) # assembled as an array, bypasses the shell

Expand Down