From f6c112c388c3db7a129164ff0306d50a3c6f4e23 Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Sun, 23 Dec 2007 22:26:39 +0000
Subject: [PATCH] dbtool gives help URL on bad arguments

---
 src/main-dbtool.sml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main-dbtool.sml b/src/main-dbtool.sml
index 7bf0fec..d9765a9 100644
--- a/src/main-dbtool.sml
+++ b/src/main-dbtool.sml
@@ -18,9 +18,12 @@
 
 (* Driver for dbtool *)
 
+fun badArgs () =
+    print "Invalid command-line arguments.  See documentation at:\n\thttp://wiki.hcoop.net/MemberManual/Databases\n"
+
 val _ =
     case CommandLine.arguments () of
-	[] => print "Invalid command-line arguments\n"
+	[] => badArgs ()
       | dbtype :: rest =>
 	case Dbms.lookup dbtype of
 	    NONE => print ("Unknown database type " ^ dbtype ^ ".\n")
@@ -68,4 +71,4 @@ val _ =
 		    Main.requestDbGrant {dbtype = dbtype, dbname = dbname}
 		else
 		    print ("Invalid database name " ^ dbname ^ ".\n")
-	      | _ => print "Invalid command-line arguments\n"
+	      | _ => badArgs ()
-- 
2.20.1