Made the diff stat from inside the testfs, so new users/groups would stat correctly. Changed disco-ball fetch to fetch into the testfs, not into / (yikes!). New disco-ball command spin does what the main disco loop used to do for each module. Added the "users" disco ball to the standard library.

balls/users/scripts/00-makeusers.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+########################
+# 00-makeusers.sh
+#
+# Make linux users for the 'users' disco ball
+# Each user is represented as a key under ${HOSTNAME}/users, with the value
+# of each key being a list of useradd/usermod compatible command line flags
+# that are passed, one each, directly into usermod/useradd
+########################
+
+HOSTNAME=$(hostname)
+
+for username in $(disco-param keys ${HOSTNAME}/users)
+do
+    NAME=$username
+    PARAMS=$(disco-param get ${HOSTNAME}/users/${NAME})
+    getent passwd | grep "^${NAME}" 2>&1 | disco-shutup
+    RETVAL=$?
+    if [ $RETVAL -eq 0 ] && [ "$PARAMS" == "" ]; then
+	userdel ${NAME}
+    elif [ $RETVAL -ne 0 ]; then
+	usermod ${PARAMS} ${NAME}
+    elif [ "$PARAMS" != "" ]; then
+	useradd ${PARAMS} ${NAME}
+    fi
+done