nexuiz-linux-sdl.sh

   1 #!/bin/sh
   2
   3 path="`dirname \"${0}\"`"
   4 link="`readlink \"${0}\"`"
   5
   6 [ -n "${link}" ] && path="`dirname \"${link}\"`"
   7 cd "${path}"
   8
   9 case "$(uname -m)" in
  10   x86_64)       nexuiz="nexuiz-linux-x86_64-sdl" ;;
  11   *)            nexuiz="nexuiz-linux-686-sdl" ;;
  12 esac
  13
  14 set -- ./${nexuiz} "${@}"
  15
  16 xserver=
  17 xlayout=
  18
  19 setdisplay()
  20 {
  21         VALUE=$1
  22         VALUE=${VALUE#\"}
  23         VALUE=${VALUE%\"}
  24         case "$VALUE" in
  25                 :*)
  26                         ;;
  27                 *)
  28                         VALUE=:$VALUE
  29                         ;;
  30         esac
  31         VALUE="$VALUE/"
  32         xserver="${VALUE%%/*}"
  33         xserver=${xserver#:}
  34         xlayout=${VALUE#*/}
  35         xlayout=${xlayout%/}
  36 }
  37
  38 # now how do we execute it?
  39 if [ -r ~/.nexuiz/data/config.cfg ]; then
  40         while read -r CMD KEY VALUE; do
  41                 case "$CMD:$KEY" in
  42                         seta:vid_x11_display)
  43                                 setdisplay "$VALUE"
  44                                 ;;
  45                 esac
  46         done < ~/.nexuiz/data/config.cfg
  47 fi
  48
  49 m=0
  50 for X in "$@"; do
  51         case "$m:$X" in
  52                 0:+vid_x11_display)
  53                         m=1
  54                         ;;
  55                 0:+vid_x11_display\ *)
  56                         setdisplay "${X#+vid_x11_display }"
  57                         ;;
  58                 1:*)
  59                         setdisplay "$X"
  60                         m=0
  61                         ;;
  62                 *)
  63                         ;;
  64         esac
  65 done
  66
  67 case "$xserver" in
  68         '')
  69                 ;;
  70         *[!0-9]*)
  71                 echo "Not using display ':$xserver': evil characters"
  72                 ;;
  73         *)
  74                 msg=
  75                 lf='
  76 '
  77                 prefix=
  78
  79                 # check for a listening X server on that socket
  80                 if netstat -nl | grep -F " /tmp/.X11-unix/X$xserver" >/dev/null; then
  81                         # X server already exists
  82                         export DISPLAY=:$xserver
  83                         prefix="DISPLAY=:$xserver "
  84                         msg=$msg$lf"- Running Nexuiz on already existing display :$xserver"
  85                 else
  86                         set -- startx "$@" -fullscreen -- ":$xserver"
  87                         msg=$msg$lf"- Running Nexuiz on a newly created X server :$xserver."
  88                         case "$xlayout" in
  89                                 '')
  90                                         ;;
  91                                 *[!A-Za-z0-9]*)
  92                                         echo >&2 "Not using layout '$xlayout': evil characters"
  93                                         xlayout=
  94                                         ;;
  95                                 *)
  96                                         set -- "$@" -layout "$xlayout"
  97                                         msg=$msg$lf"- Using the ServerLayout section named $xlayout."
  98                                         ;;
  99                         esac
 100                 fi
 101
 102                 echo "X SERVER OVERRIDES IN EFFECT:$msg"
 103                 echo
 104                 echo "Resulting command line:"
 105                 echo "  $prefix$*"
 106                 echo
 107                 echo "To undo these overrides, edit ~/.nexuiz/data/config.cfg and remove the line"
 108                 echo "starting with 'seta vid_x11_display'."
 109                 echo
 110                 echo
 111                 ;;
 112 esac
 113
 114 exec "$@"