history: remember the commands that were executed during this session

Signed-off-by: Marco Diego Aurélio Mesquita <marcodiegomesquita@gmail.com>

src/files.c

@@ -1081,7 +1081,7 @@ void do_insertfile(void)
 #endif
 		MINSERTFILE, given,
 #ifndef DISABLE_HISTORIES
-		NULL,
+		execute ? &execute_history : NULL,
 #endif
 		edit_refresh, msg,
 #ifndef DISABLE_OPERATINGDIR
@@ -1144,6 +1144,7 @@ void do_insertfile(void)
 #endif
 		/* Save the command's output in the current buffer. */
 		execute_command(answer);
+		update_history(&execute_history, answer);
 
 #ifdef ENABLE_MULTIBUFFER
 		/* If this is a new buffer, put the cursor at the top. */