#!/bin/sh

# $Id$

PATH="/sbin:$PATH"
CONFIG_DIR=/etc/X11
SERVER_SYMLINK="$CONFIG_DIR/X"
XORGCONFIG="$CONFIG_DIR/xorg.conf"
CONFIG_AUX_DIR=/var/lib/x11
SERVER_SYMLINK_CHECKSUM="$CONFIG_AUX_DIR/${SERVER_SYMLINK##*/}.md5sum"
SERVER_SYMLINK_ROSTER="$CONFIG_AUX_DIR/${SERVER_SYMLINK##*/}.roster"
XORGCONFIG_CHECKSUM="$CONFIG_AUX_DIR/${XORGCONFIG##*/}.md5sum"
XORGCONFIG_ROSTER="$CONFIG_AUX_DIR/${XORGCONFIG##*/}.roster"

exec >&3

if [ -e "$SERVER_SYMLINK_ROSTER" ]; then
    printf "Contents of $SERVER_SYMLINK_ROSTER:\n"
    cat "$SERVER_SYMLINK_ROSTER"
else
    printf "$SERVER_SYMLINK_ROSTER does not exist.\n"
fi

printf "\n"

if [ -e "$SERVER_SYMLINK" ]; then
    if [ -e "$SERVER_SYMLINK_CHECKSUM" ]; then
        if [ "$(readlink "$SERVER_SYMLINK" | md5sum)" = \
             "$(cat "$SERVER_SYMLINK_CHECKSUM")" ]; then
            printf "%s target unchanged from checksum in %s.\n" \
              "$SERVER_SYMLINK" "$SERVER_SYMLINK_CHECKSUM"
        else
            printf "%s target does not match checksum in %s.\n" \
              "$SERVER_SYMLINK" "$SERVER_SYMLINK_CHECKSUM"
        fi
    else
        printf "$SERVER_SYMLINK_CHECKSUM does not exist.\n"
    fi
    printf "\n"
    printf "X server symlink status:\n"
    ls -dl "$SERVER_SYMLINK"
    ls -dl "$(readlink "$SERVER_SYMLINK")"
else
    printf "$SERVER_SYMLINK does not exist.\n"
fi

if ! [ -L "$SERVER_SYMLINK" ]; then
    printf "$SERVER_SYMLINK is not a symlink.\n"
fi

if ! [ -x "$SERVER_SYMLINK" ]; then
    printf "$SERVER_SYMLINK is not executable.\n"
fi

printf "\n"

if [ -e "$XORGCONFIG_ROSTER" ]; then
    printf "Contents of $XORGCONFIG_ROSTER:\n"
    cat "$XORGCONFIG_ROSTER"
else
    printf "$XORGCONFIG_ROSTER does not exist.\n"
fi

printf "\n"

if which lspci > /dev/null 2>&1; then
    printf "VGA-compatible devices on PCI bus:\n"
    LC_ALL=C lspci | grep 'VGA compatible controller:'
    LC_ALL=C lspci -n | grep 'Class 0300:'
else
    printf "The lspci command was not found; not including PCI data.\n"
fi

printf "\n"

if [ -e "$XORGCONFIG" ]; then
    if [ -e "$XORGCONFIG_CHECKSUM" ]; then
        if [ "$(md5sum "$XORGCONFIG")" = "$(cat "$XORGCONFIG_CHECKSUM")" ]; then
            printf "%s unchanged from checksum in %s.\n" "$XORGCONFIG" \
              "$XORGCONFIG_CHECKSUM"
        else
            printf "%s does not match checksum in %s.\n" "$XORGCONFIG" \
              "$XORGCONFIG_CHECKSUM"
        fi
    else
        printf "$XORGCONFIG_CHECKSUM does not exist.\n"
    fi
    printf "\n"
    printf "Xorg X server configuration file status:\n"
    ls -dl "$XORGCONFIG"
    printf "\n"
    printf "Contents of $XORGCONFIG:\n"
    iconv -c -t ascii "$XORGCONFIG"
    printf "\n"
else
    printf "$XORGCONFIG does not exist.\n"
fi

printf "\n"

XORG_LOGS=$(ls -dt /var/log/Xorg.*.log 2>/dev/null)

if [ -n "$XORG_LOGS" ]; then
    printf "Xorg X server log files on system:\n"
    ls -dlrt /var/log/Xorg.*.log 2>/dev/null
    printf "\n"
    for LOG in $XORG_LOGS; do
        if [ -f "$LOG" ]; then
            printf "Contents of most recent Xorg X server log file\n"
            printf "%s:\n" "$LOG"
            cat "$LOG"
            # the log files are large; only show the most recent
            break
        fi
    done
else
    printf "No Xorg X server log files found.\n"
fi

if [ -x /usr/bin/lshal ]; then
    printf "\nHAL Information (lshal):\n"
    for udi in `(hal-find-by-capability --capability input.keys;
                 hal-find-by-capability --capability input.mouse;
                 hal-find-by-capability --capability input.touchpad;
                 hal-find-by-capability --capability input.tablet
                )|sort -u`;
    do
        lshal -u "$udi"
    done
fi

if [ -x /bin/dmesg ]; then
    printf "DRM Information from dmesg:\n"
    dmesg | egrep -i 'drm|agp'
fi

printf "\n"

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