From 7347c939881d3cd50d2943e7cf1a71864ca9a44d Mon Sep 17 00:00:00 2001
From: XeonSquared <redtailedairways@gmail.com>
Date: Sun, 28 Jul 2019 19:46:43 +1000
Subject: [PATCH] made external executables return despite being in a different
 process. yay for IPC?

---
 exec/shell.lua | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/exec/shell.lua b/exec/shell.lua
index e70eca4..09ed6bc 100644
--- a/exec/shell.lua
+++ b/exec/shell.lua
@@ -26,11 +26,17 @@ setmetatable(shenv,{__index=function(_,k)
  if _G[k] then
   return _G[k]
  elseif fs.exists("/boot/exec/"..k..".lua") then
+  local rqid = string.format("shell-%d",math.random(1,99999))
   return function(...)
    local tA = {...}
-   local pid = os.spawn(function() loadfile("/boot/exec/"..k..".lua")(table.unpack(tA)) end,"/boot/exec/"..k..".lua")
+   local pid = os.spawn(function() computer.pushSignal(rqid,pcall(loadfile("/boot/exec/"..k..".lua"),table.unpack(tA))) end,"/boot/exec/"..k..".lua")
+   local tE = {}
    repeat
-    coroutine.yield()
+    tE = {coroutine.yield()}
+    if tE[1] == rqid then
+     table.remove(tE,1)
+     return table.unpack(tE)
+    end
    until tTasks[pid] == nil
   end
  end