making some eshell changes

init.el

@@ -2250,6 +2250,8 @@ targets."
              (display-buffer-in-side-window)
              (side . bottom)
              (window-height . 0.25))
+            ("\\*e?shell\\*<20>"
+             (display-buffer-same-window))
             ("\\*e?shell-terminal\\*"
              (display-buffer-same-window))
             ("*helpful*"
@@ -2304,6 +2306,8 @@ targets."
            (display-buffer-in-side-window)
            (side . bottom)
            (window-height . 0.25))
+          ("\\*e?shell\\*"
+           (display-buffer-same-window))
           ("\\*e?shell-terminal\\*"
            (display-buffer-same-window))
           ("*helpful*"
@@ -3305,6 +3309,12 @@ targets."
        "*upgrade*"
        "*upgrade-errors*")))
 
+  (defun chris/eshell-current-window ()
+    "Open eshell in the current directory using the current window"
+    (interactive)
+    (same-window-prefix)
+    (eshell))
+
   (setq eshell-command-aliases-list
         `(("q" "exit")
           ("f" "find-file $1")
@@ -3362,6 +3372,7 @@ targets."
     :states 'normal
     :keymaps 'override
     "oe" 'chris/eshell-new
+    "oE" 'chris/eshell-current-window
     "be" 'eshell)
   (general-def '(normal insert) eshell-mode-map
     "C-d" 'kill-buffer-and-window