add weak git integration

edef.h

@@ -1,14 +1,18 @@
 /* edef.h
- * 
- * Program definitions
+ *
+ * Global variable definition
  *
  * written by vx-clutch
  */
+
 #ifndef EDEF_H_
 #define EDEF_H_
 
-enum { SINGLE = 1, FULL = 2 };
+/* Initialized global external declarations. */
 
-#define NPAT 4096 /* number of bytes for path buffer */
+extern int git;
+
+/* Other constants declarations */
+enum { SINGLE, FULL };
 
 #endif  /* EDEF_H_ */