setup/linux/setup.sh

   1 #! /bin/sh
   2 #
   3 # Product setup script - Loki Entertainment Software
   4
   5 # TTimo FIXME need a way to configure this easily
   6 critical_error="Please contact Id software technical support at bugs@idsoftware.com"
   7
   8 # Go to the proper setup directory (if not already there)
   9 cd `dirname $0`
  10
  11 # Return the appropriate architecture string
  12 DetectARCH()
  13 {
  14         status=1
  15         case `uname -m` in
  16                 i?86)  echo "x86"
  17                         status=0;;
  18                 *)     echo "`uname -m`"
  19                         status=0;;
  20         esac
  21         return $status
  22 }
  23
  24 # Return the appropriate version string
  25 DetectLIBC()
  26 {
  27       status=1
  28           if [ `uname -s` != Linux ]; then
  29                   echo "glibc-2.1"
  30                   return $status
  31           fi
  32       if [ -f `echo /lib/libc.so.6* | tail -1` ]; then
  33               if fgrep GLIBC_2.1 /lib/libc.so.6* 2>&1 >/dev/null; then
  34                       echo "glibc-2.1"
  35                       status=0
  36               else
  37                       echo "glibc-2.0"
  38                       status=0
  39               fi
  40       elif [ -f /lib/libc.so.5 ]; then
  41               echo "libc5"
  42               status=0
  43       else
  44               echo "unknown"
  45       fi
  46       return $status
  47 }
  48
  49 # Detect the Linux environment
  50 arch=`DetectARCH`
  51 libc=`DetectLIBC`
  52 os=`uname -s`
  53
  54 # Find the installation program
  55 # try_run INSTALLER_NAME [-fatal] [PARAMETERS_PASSED]
  56 #   INSTALLER_NAME: setup.gtk or setup
  57 #   -fatal option: if you want verbose messages in case
  58 #      - the script could not be found
  59 #      - it's execution would fail
  60 #   PARAMETERS_PASSED: additional arguments passed to the setup script
  61 try_run()
  62 {
  63     setup=$1
  64     shift
  65     # added safe check, direct test seems buggy on older bash
  66     if [ "$#" > 0 ]; then
  67       # looks like bash < 2.* don't like == operator, using = instead
  68       if [ "$1" = "-fatal" ]; then
  69         # got fatal
  70         fatal=$1
  71         shift
  72       fi
  73     fi
  74
  75     # First find the binary we want to run
  76     failed=0
  77     setup_bin="setup.data/bin/$os/$arch/$libc/$setup"
  78     # trying $setup_bin
  79     if [ ! -f "$setup_bin" ]; then
  80         setup_bin="setup.data/bin/$os/$arch/$setup"
  81         # libc dependant version failed, trying again
  82         if [ ! -f "$setup_bin" ]; then
  83             failed=1
  84         fi
  85     fi
  86     if [ "$failed" -eq 1 ]; then
  87         if [ "$fatal" != "" ]; then
  88             cat <<__EOF__
  89 This installation doesn't support $libc on $os / $arch
  90
  91 $critical_error
  92 __EOF__
  93             exit 1
  94         fi
  95         return $failed
  96     fi
  97
  98     # Try to run the binary ($setup_bin)
  99     # The executable is here but we can't execute it from CD
 100     setup="$HOME/.setup$$"
 101     cp "$setup_bin" "$setup"
 102     chmod 700 "$setup"
 103     if [ "$fatal" != "" ]; then
 104         "$setup" $*
 105         failed=$?
 106     else
 107         "$setup" $* 2>/dev/null
 108         failed=$?
 109     fi
 110     rm -f "$setup"
 111     return $failed
 112 }
 113
 114
 115 # Try to run the setup program
 116 status=0
 117 rm -f "$setup"
 118 try_run setup.gtk $* || try_run setup -fatal $* || {
 119     echo "The setup program seems to have failed on $arch/$libc"
 120     echo
 121     echo $critical_error
 122     status=1
 123 }
 124 exit $status