1 files changed, 13 insertions, 2 deletions
diff --git a/lib/hydra/misc b/lib/hydra/misc
index 7c3c955..5318ba8 100644
--- a/lib/hydra/misc
+++ b/lib/hydra/misc
@@ -15,8 +15,8 @@ function hydra_set_env {
 # Read a parameter from user
 function hydra_user_input {
   local input
-  param="$1"
-  default="$2"
+  local param="$1"
+  local default="$2"
   shift 2
 
   if echo $param | grep -q 'passwd'; then
@@ -32,6 +32,17 @@ function hydra_user_input {
   fi
 }
 
+# Get a configuration parameter if not previously defined by a sourced file
+function hydra_user_config {
+  local param="$1"
+  local default="$2"
+  shift 2
+
+  if [ -z "`eval echo '$'$param`" ]; then
+    hydra_user_input $param $default $*
+  fi
+}
+
 # Install a package
 function hydra_install_package {
   if [ -z "$1" ]; then