Pick elixir command based on OS #747

Author: Olical

fnl/conjure/client/elixir/stdio.fnl

@@ -6,6 +6,7 @@
 (local mapping (autoload :conjure.mapping))
 (local stdio (autoload :conjure.remote.stdio))
 (local str (autoload :conjure.nfnl.string))
+(local util (autoload :conjure.util))
 (local vim _G.vim)
 
 ;;============================================================
@@ -46,12 +47,16 @@
 
 (local M (define :conjure.client.elixir.stdio))
 
+(local iex-command (if (= :windows (util.os))
+                       "iex.bat --no-color"
+                       "iex --no-color"))
+
 (config.merge
   {:client
    {:elixir
     {:stdio
-     {:command "iex --no-color" ; M.start will overwrite this.
-      :standalone_command "iex --no-color"
+     {:command iex-command ; M.start will overwrite this.
+      :standalone_command iex-command
       :prompt_pattern "iex%(%d+%)> "}}}})
 
 (when (config.get-in [:mapping :enable_defaults])

fnl/conjure/util.fnl

@@ -1,8 +1,15 @@
 (local {: autoload : define} (require :conjure.nfnl.module))
 (local a (autoload :conjure.nfnl.core))
+(local vim _G.vim)
 
 (local M (define :conjure.util))
 
+(fn M.os []
+  "Returns 'windows' or 'unix' based on the path separator."
+  (if (= "\\" (string.sub package.config 1 1))
+      :windows
+      :unix))
+
 (fn M.wrap-require-fn-call [mod f]
   "We deliberately don't pass args through here because functions can behave
   very differently if they blindly accept args. If you need the args you should