mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-11-24 21:32:40 +00:00
290 lines
6.6 KiB
Bash
290 lines
6.6 KiB
Bash
#! /bin/sh
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#
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# Product setup script
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#
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# Go to the proper setup directory (if not already there)
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cd `dirname $0`
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# defaults
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FATAL_ERROR="Fatal error, no tech support email configured in this setup"
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# try to get root prior to running setup?
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# 0: no
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# 1: prompt, but run anyway if fails
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# 2: require, abort if root fails
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GET_ROOT=0
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XSU_ICON=""
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# You may want to set USE_XHOST to 1 if you want an X11 application to
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# be launched with root privileges right after installation
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USE_XHOST=0
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# this is the message for su call, printf
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SU_MESSAGE="You need to run this installation as the super user.\nPlease enter the root password."
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NULL=/dev/null
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# See if we have the XPG4 utilities (Solaris)
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if test -d /usr/xpg4/bin; then
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PATH=/usr/xpg4/bin:$PATH
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fi
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# Return the appropriate architecture string
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DetectARCH()
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{
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status=1
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case `uname -m` in
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amd64 | x86_64)
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echo "amd64"
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status=0;;
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i?86 | i86*)
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echo "x86"
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status=0;;
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90*/*)
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echo "hppa"
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status=0;;
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*)
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case `uname -s` in
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IRIX*)
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echo "mips"
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status=0;;
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AIX*)
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echo "ppc"
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status=0;;
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*)
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arch=`uname -p 2> /dev/null || uname -m`
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if test "$arch" = powerpc; then
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echo "ppc"
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else
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echo $arch
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fi
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status=0;;
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esac
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esac
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return $status
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}
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# Return the appropriate version string
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DetectLIBC()
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{
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status=1
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if [ `uname -s` != Linux ]; then
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echo "glibc-2.1"
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return $status
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fi
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if [ -f `echo /lib/libc.so.6* | tail -n 1` ]; then
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# I'm not using glibc-specific binaries
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# this step even fails on amd64 gentoo, only has GLIBC_2.2 2.3 in it's strings
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echo "glibc-2.1"
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status=0
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# if [ fgrep GLIBC_2.1 /lib/libc.so.6* 2> $NULL >> $NULL ]; then
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# echo "glibc-2.1"
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# status=0
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# else
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# echo "glibc-2.0"
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# status=0
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# fi
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elif [ -f /lib/libc.so.5 ]; then
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echo "libc5"
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status=0
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else
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echo "unknown"
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fi
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return $status
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}
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DetectOS()
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{
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os=`uname -s`
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if test "$os" = "OpenUNIX"; then
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echo SCO_SV
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else
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echo $os
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fi
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return 0
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}
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# Detect the environment
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arch=`DetectARCH`
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libc=`DetectLIBC`
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os=`DetectOS`
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args=""
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# Import preferences from a secondary script
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if [ -f setup.data/config.sh ]; then
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. setup.data/config.sh
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elif [ -f SETUP.DAT/CONFIG.SH\;1 ]; then
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# HP-UX and other systems unable to get LFN correctly
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. SETUP.DAT/CONFIG.SH\;1
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fi
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# Add some standard paths for compatibility
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PATH=$PATH:/usr/ucb
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# call setup with -auth when ran through su/xsu
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auth=0
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if [ "$1" = "-auth" ]
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then
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auth=1
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shift
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fi
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# Find the installation program
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# try_run [-absolute] [-fatal] INSTALLER_NAME [PARAMETERS_PASSED]
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# -absolute option: if what you are trying to execute has an absolute path
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# NOTE: maybe try_run_absolute would be easier
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# -fatal option: if you want verbose messages in case
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# - the script could not be found
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# - it's execution would fail
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# INSTALLER_NAME: setup.gtk or setup
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# PARAMETERS_PASSED: additional arguments passed to the setup script
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try_run()
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{
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absolute=0
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if [ "$1" = "-absolute" ]; then
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absolute=1
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shift
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fi
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fatal=0
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# older bash < 2.* don't like == operator, using =
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if [ "$1" = "-fatal" ]; then
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# got fatal
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fatal=1
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shift
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fi
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setup=$1
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shift
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# First find the binary we want to run
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failed=0
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if [ "$absolute" -eq 0 ]
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then
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setup_bin="setup.data/bin/$os/$arch/$libc/$setup"
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# trying $setup_bin
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if [ ! -f "$setup_bin" ]; then
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setup_bin="setup.data/bin/$os/$arch/$setup"
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# libc dependant version failed, trying again
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if [ ! -f "$setup_bin" ]; then
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failed=1
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fi
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fi
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if [ "$failed" -eq 1 ]; then
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if [ "$fatal" -eq 1 ]; then
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cat <<__EOF__
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This installation doesn't support $libc on $os / $arch
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(tried to run $setup)
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$FATAL_ERROR
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__EOF__
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fi
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return $failed
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fi
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# Try to run the binary ($setup_bin)
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# The executable is here but we can't execute it from CD
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# NOTE TTimo: this is dangerous, we also use $setup to store the name of the try_run
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setup="$HOME/.setup$$"
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rm -f "$setup"
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cp "$setup_bin" "$setup"
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chmod 700 "$setup"
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trap "rm -f $setup" 1 2 3 15
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fi
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# echo Running "$setup" "$@"
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if [ "$fatal" -eq 0 ]; then
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"$setup" "$@"
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failed="$?"
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else
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"$setup" "$@" 2>> $NULL
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failed="$?"
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fi
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if [ "$absolute" -eq 0 ]
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then
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# don't attempt removal when we are passed an absolute path
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# no, I don't want to imagine a faulty try_run as root on /bin/su
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rm -f "$setup"
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fi
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return "$failed"
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}
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if [ "$GET_ROOT" -eq 3 ]
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then
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GOT_ROOT=`id -u`
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if [ "$GOT_ROOT" != "0" ]
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then
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printf "$SU_MESSAGE\n"
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echo "Press Enter to continue or Ctrl-C to abort"
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read
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fi
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GET_ROOT=0
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fi
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# if we have not been through the auth yet, and if we need to get root, then prompt
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if [ "$auth" -eq 0 ] && [ "$GET_ROOT" -ne 0 ]
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then
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GOT_ROOT=`id -u`
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if [ "$GOT_ROOT" != "0" ]
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then
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if [ "$USE_XHOST" -eq 1 ]; then
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xhost +127.0.0.1 2> $NULL > $NULL
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fi
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if [ "$GET_ROOT" -eq 1 ]
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then
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try_run xsu -e -a -u root -c "sh `pwd`/setup.sh -auth" $XSU_ICON -m "$XSU_MESSAGE"
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else
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try_run xsu -e -a -u root -c "sh `pwd`/setup.sh -auth" $XSU_ICON
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fi
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status="$?"
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# echo "got $status"
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# if try_run successfully executed xsu, it will return xsu's exit code
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# xsu returns 2 if ran and cancelled (i.e. the user 'doesn't want' to auth)
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# it will return 0 if the command was executed correctly
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# summing up, if we get 1, something failed
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if [ "$status" -eq 0 ]
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then
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# the auth command was properly executed
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exit 0
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elif [ "$status" -eq 1 ]
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then
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# xsu wasn't found, or failed to run
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# if xsu actually ran and the auth was cancelled, $status is > 1
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# try with su
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# su will return 1 if auth failed
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# we need to distinguish between su auth failed and su working, and still get setup.sh return code
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printf "$SU_MESSAGE\n"
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try_run -absolute /bin/su root -c "export DISPLAY=$DISPLAY;sh `pwd`/setup.sh -auth"
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status="$?"
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if [ "$status" -eq 1 ] && [ "$GET_ROOT" -eq 1 ]
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then
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echo "Running setup as user"
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else
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exit $status
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fi
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elif [ "$status" -eq 3 ]
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then
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if [ "$GET_ROOT" -eq 1 ]
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then
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echo "Running setup as user"
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else
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# the auth failed or was canceled
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# we don't want to even start the setup if not root
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echo "Please run this installation as the super user"
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exit 1
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fi
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fi
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# continue running as is
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fi
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fi
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# run the setup program (setup.gtk first, then setup)
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# except when trying setup.gtk first then console setup, always exit with 0
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# if the setup was cancelled, it is not our problem
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try_run setup.gtk $args $*
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status="$?"
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if [ "$status" -ne 0 ] && [ "$status" -ne 3 ]; then # setup.gtk couldn't connect to X11 server - ignore
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try_run setup $args $*
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status="$?"
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if [ "$auth" -eq 1 ] && [ "$status" -ne 0 ]
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then
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# distinguish between failed su and failed su'ed setup.sh
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exit 2
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fi
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exit $status
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fi
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