From e39e633138f49a1e84822a2fd76545b8b6345c93 Mon Sep 17 00:00:00 2001
From: stbenz <benz.st@gmail.com>
Date: Wed, 27 Apr 2016 19:26:09 +0200
Subject: [PATCH] tvheadend: fix tv_grab_file

tvheadend calls `tv_grab_file --description` to get a description of the grabber. If the grabber doesn't return a string, tvheadend will not use the grabber.
---
 .../service/tvheadend/source/bin/tv_grab_file | 61 ++++++++++++++-----
 1 file changed, 45 insertions(+), 16 deletions(-)

diff --git a/packages/addons/service/tvheadend/source/bin/tv_grab_file b/packages/addons/service/tvheadend/source/bin/tv_grab_file
index f657f57421..027ee869cd 100755
--- a/packages/addons/service/tvheadend/source/bin/tv_grab_file
+++ b/packages/addons/service/tvheadend/source/bin/tv_grab_file
@@ -18,23 +18,52 @@
 #  along with OpenELEC.  If not, see <http://www.gnu.org/licenses/>.
 ################################################################################
 
-. /etc/profile
+if [ $# -lt 1 ]
+then
+  . /etc/profile
 
-ADDON_HOME="$HOME/.kodi/userdata/addon_data/service.multimedia.tvheadend"
-ADDON_SETTINGS="$ADDON_HOME/settings.xml"
-XMLTV_TYPE=`grep XMLTV_TYPE $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
-XMLTV_LOCATION_FILE=`grep XMLTV_LOCATION_FILE $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
-XMLTV_LOCATION_WEB=`grep XMLTV_LOCATION_WEB $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
-XMLTV_LOCATION_SCRIPT=`grep XMLTV_LOCATION_SCRIPT $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
+  ADDON_HOME="$HOME/.kodi/userdata/addon_data/service.multimedia.tvheadend"
+  ADDON_SETTINGS="$ADDON_HOME/settings.xml"
+  XMLTV_TYPE=`grep XMLTV_TYPE $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
+  XMLTV_LOCATION_FILE=`grep XMLTV_LOCATION_FILE $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
+  XMLTV_LOCATION_WEB=`grep XMLTV_LOCATION_WEB $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
+  XMLTV_LOCATION_SCRIPT=`grep XMLTV_LOCATION_SCRIPT $ADDON_SETTINGS | awk '{print $3 }' | sed -e "s,value=,," -e "s,\",,g"`
 
-if [ "$XMLTV_TYPE" = "FILE" ]; then
-  cat "$XMLTV_LOCATION_FILE"
-  exit 0
-elif [ "$XMLTV_TYPE" = "SCRIPT" ]; then
-  if [ -e "$XMLTV_LOCATION_SCRIPT" ] ; then
-    exec "$XMLTV_LOCATION_SCRIPT"
+  if [ "$XMLTV_TYPE" = "FILE" ]; then
+    cat "$XMLTV_LOCATION_FILE"
+    exit 0
+  elif [ "$XMLTV_TYPE" = "SCRIPT" ]; then
+    if [ -e "$XMLTV_LOCATION_SCRIPT" ] ; then
+      exec "$XMLTV_LOCATION_SCRIPT"
+    fi
+  elif [ "$XMLTV_TYPE" = "WEB" ]; then
+    wget -qO - "$XMLTV_LOCATION_WEB"
+    exit 0
   fi
-elif [ "$XMLTV_TYPE" = "WEB" ]; then
-  wget -qO - "$XMLTV_LOCATION_WEB"
-  exit 0
+fi
+
+dflag=
+vflag=
+cflag=
+
+for a in "$@"
+do
+[ "$a" = "-d" -o "$a" = "--description"  ] && dflag=1
+[ "$a" = "-v" -o "$a" = "--version"      ] && vflag=1
+[ "$a" = "-c" -o "$a" = "--capabilities" ] && cflag=1
+done
+
+if [ -n "$dflag" ]
+then
+echo "tv_grab_file is a simple grabber that can be configured through the addon settings from Kodi"
+fi
+
+if [ -n "$vflag" ]
+then
+echo "1.0"
+fi
+
+if [ -n "$cflag" ]
+then
+echo "baseline"
 fi