Doc.

Try not to run tests if the user specified --prefix=/usr* or something
similar, because it would not be nice(!) to clobber their
configuration file and passwords.  Eventually I think we want to run
the installed versions, but specify different paths for everything.

testsuite/build_farm/basicsmb.fns

@@ -1,3 +1,20 @@
+#! /bin/sh
+
+# Common functions for Samba build scripts.
+
+# Copyright (C) 2001 by Martin Pool <mbp@samba.org>
+
+# The following variables are passed in by the calling script.  They
+# originate in either the buildfarm scripts or the configured
+# Makefile.
+
+# PREFIX = Installed prefix of samba test installation.  Used to
+# locate binaries, configuration files, etc.  
+
+# XXX: It's pretty bad to clobber the installed configuration file and
+# other data in $prefix, because somebody might unwittingly run this
+# with prefix=/usr.  
+
 template_smb_conf_setup() {
 	cat basicsmb.smb.conf$1.template | \
               sed "s|PREFIX|$prefix|g" | \
@@ -5,9 +22,25 @@ template_smb_conf_setup() {
 	      sed "s|WHOAMI|$whoami|g" | \
 	      sed "s|LOGLEVEL|$loglevel|g" \
         > $prefix/lib/smb.conf$1
+	echo "template_smb_conf_setup: Created $prefix/lib/smb.conf$1"
 }
 
 test_smb_conf_setup() {
+    echo "test_smb_conf_setup: Configuring: "
+    echo "    PREFIX=$prefix"
+    echo "    BUILD_FARM=$pwd"
+    echo "    WHOAMI=$whoami"
+    echo "    LOGLEVEL=$loglevel"
+
+    case "$prefix" in
+    /usr*|/|//)
+        echo "** I don't want to clobber your installation in "
+	echo "**     $prefix"
+	echo "** by running tests there.  Please reconfigure this source tree to"
+	echo "** use a different prefix."
+	exit 1
+    esac
+
     template_smb_conf_setup 
     template_smb_conf_setup .hostsequiv
     template_smb_conf_setup .invalidusers
@@ -87,3 +120,5 @@ test_listfilesauth_should_deny() {
 	fi
 	return 0
 }
+
+echo "LIBSMB_PROG=$LIBSMB_PROG" >&2