Check for dialog executeable only when using interactive mode

diff --git a/grml-debootstrap b/grml-debootstrap
index 1ab3dd7..bfe7504 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -264,7 +264,7 @@ stage() {
 # }}}
 
 # make sure we have what we need {{{
 # }}}
 
 # make sure we have what we need {{{

-check4progs debootstrap dialog || bailout 1
+check4progs debootstrap || bailout 1

 # }}}
 
 # source main configuration file {{{
 # }}}
 
 # source main configuration file {{{


@@ -748,6 +748,8 @@ fi
 # interactive mode {{{
 interactive_mode()
 {
 # interactive mode {{{
 interactive_mode()
 {

+  check4progs dialog || bailout 1
+

   welcome_dialog
 
   prompt_for_release
   welcome_dialog
 
   prompt_for_release