Merge branch 'nd/init-gitdir'

* nd/init-gitdir:
  init, clone: support --separate-git-dir for .git file
  git-init.txt: move description section up

Conflicts:
	builtin/clone.c

cache.h

@@ -437,6 +437,7 @@ extern void verify_non_filename(const char *prefix, const char *name);
 
 #define INIT_DB_QUIET 0x0001
 
+extern int set_git_dir_init(const char *git_dir, const char *real_git_dir, int);
 extern int init_db(const char *template_dir, unsigned int flags);
 
 #define alloc_nr(x) (((x)+16)*3/2)