defer configuration when debconf is too old

1 files changed, 7 insertions, 19 deletions

diff --git a/debian/mdadm.config b/debian/mdadm.config
index aa71de34..62f8bdc4 100644
--- a/debian/mdadm.config
+++ b/debian/mdadm.config
@@ -6,6 +6,12 @@
 # $Id$
 #
 
+# we need debconf-escape. Without it, defer the configuration.
+if [ ! -x "$(command -v debconf-escape 2>/dev/null)" ]; then
+  echo 'I: mdadm: debconf backend too old, defering configuration...' >&2
+  exit 0
+fi
+
 . /usr/share/debconf/confmodule
 # see #369953 for ordering
 set -eu
@@ -79,28 +85,10 @@ get_initrdstart() {
 
 db_capb escape
 
-if [ -x "$(command -v debconf-escape)" ]; then
-  debconf_escape()
-  {
-    debconf-escape $@
-  }
-else
-  debconf_escape()
-  { # copied from debconf 1.4.72:
-    perl -e '
-      while (<>) {
-        s/\\/\\\\/g;
-        s/\n/\\n/g;
-        print;
-      }
-    '
-  }
-fi
-
 msg=intro; suffix=''; error=0
 while true; do
   db_metaget mdadm/initrdstart_msg_${msg} extended_description || :
-  db_subst mdadm/initrdstart msg "$(echo -e "${RET}${suffix}" | debconf_escape -e)"
+  db_subst mdadm/initrdstart msg "$(echo -e "${RET}${suffix}" | debconf-escape -e)"
   ret=0; db_input low mdadm/initrdstart || ret=$?
   db_go