Merge branch 'ml/pager' into next

* ml/pager:
  pager: environment variable GIT_PAGER to override PAGER
  pager: config variable pager.color
  Builtins: control the use of pager from the command table.
  Fix up some fallout from "setup_git_directory()" cleanups
  Fix double "close()" in ce_compare_data

read-cache.c

@@ -61,7 +61,7 @@ static int ce_compare_data(struct cache_entry *ce, struct stat *st)
 		unsigned char sha1[20];
 		if (!index_fd(sha1, fd, st, 0, NULL))
 			match = memcmp(sha1, ce->sha1, 20);
-		close(fd);
+		/* index_fd() closed the file descriptor already */
 	}
 	return match;
 }