feat(ChildProcessStream): capture exit code on exit

Author: vigoux

nvim/child_process_stream.lua

@@ -19,7 +19,8 @@ function ChildProcessStream.spawn(argv, env, io_extra)
     stdio = {self._child_stdin, self._child_stdout, 2, io_extra},
     args = args,
     env = env,
-  }, function()
+  }, function(ecode)
+    self._exit_code = ecode
     self:close()
   end)
 

test/session_spec.lua

@@ -168,6 +168,18 @@ test_session("Session using ChidProcessStream", function ()
   return Session.new(proc_stream)
 end)
 
+describe("ChildProcessStream", function()
+  it("can capture exit code", function()
+    local proc_stream = ChildProcessStream.spawn({
+      nvim_prog, '-u', 'NONE', '--embed',
+    })
+
+    proc_stream:close()
+
+    assert.is_not_nil(proc_stream._exit_code)
+  end)
+end)
+
 -- Session using SocketStream
 test_session(string.format("Session using SocketStream [%s]", socket_file), function ()
   child_session = Session.new(ChildProcessStream.spawn({