Do not automagically include git at the moment.

Makefile.rkt

@@ -1,6 +1,5 @@
 #lang racket
 
-
 (require "main.rkt"
          racket/string
          git

main.rkt

@@ -5,7 +5,7 @@
          (for-syntax racket/base)
          "private/commands.rkt"
          "private/engine.rkt"
-         git
+         ;git
          )
 
 (provide (all-from-out racket)
@@ -26,7 +26,8 @@
          $target
          $deps
          $<
-         (all-from-out git))
+         )
+         ;(all-from-out git))
 
 ;; For target declarations we want a bound identifier to remain an ordinary
 ;; Racket expression. This makes generated targets such as (target obj ...)