Change WAD to IWAD where appropriate

entrypoint.sh

@@ -2,10 +2,11 @@
 
 set -e
 
-WAD_PATH=${WAD_PATH:-/srv/freedm.wad}
+IWAD_PATH=${IWAD_PATH:-/srv/freedm.wad}
-if [ -n "$WAD_URL" ]; then
+if [ -n "$IWAD_URL" ]; then
-  wget $WAD_URL -O /srv/game.wad
+  IWAD_NAME=${IWAD_NAME:-$(basename $IWAD_URL)}
-  WAD_PATH=/srv/game.wad
+  wget $IWAD_URL -O /srv/$IWAD_NAME
+  IWAD_PATH=/srv/$IWAD_NAME
 fi
 
 BOT_COUNT=${BOT_COUNT:-0}
@@ -45,5 +46,5 @@ PORT=${PORT:-10666}
 
 GAMETYPE=${GAMETYPE:-Deathmatch}
 
-SV_ARGS="+exec /srv/server.cfg -iwad $WAD_PATH -port $PORT $ADDBOT_CMDS +$GAMETYPE true"
+SV_ARGS="+exec /srv/server.cfg -iwad $IWAD_PATH -port $PORT $ADDBOT_CMDS +$GAMETYPE true"
 LD_LIBRARY_PATH=/srv/libs sh -c "/srv/zandronum-server $SV_ARGS"