Fix echo target for superuser file in Debian postinst

aba5e60792177d6a2a867445559f4806973b3258 was causing the username
and password to get printed to the console instead of being put in
the correct file.  Also, use the modern $() syntax instead of ``
and quote all variable assignments.

diff --git a/debian/tvheadend.postinst b/debian/tvheadend.postinst
index 652f311b3633a40821bcb2b4c2b1c2d40ea39c3e..95def43f5953e57866cdadf843b03f1d0981123b 100644 (file)
--- a/debian/tvheadend.postinst
+++ b/debian/tvheadend.postinst
@@ -57,17 +57,17 @@ configure)
     echo >>"$HTS_SUPERUSERCONF" "{"
 
     if db_get tvheadend/admin_username; then
-        JSONUSER=`escape_json_string $RET`
-        echo "\"username\": $JSONUSER,"
+        JSONUSER="$(escape_json_string "$RET")"
+        echo >>"$HTS_SUPERUSERCONF" "\"username\": $JSONUSER,"
         JSONUSER=""
     fi
 
     if db_get tvheadend/admin_password; then
-        JSONPASS=`escape_json_string $RET`
-        echo "\"password\": $JSONPASS"
+        JSONPASS="$(escape_json_string "$RET")"
+        echo >>"$HTS_SUPERUSERCONF" "\"password\": $JSONPASS"
         JSONPASS=""
     fi
-    
+
     echo >>"$HTS_SUPERUSERCONF" "}"
     ;;
 esac