#!/bin/bash
#
# sysinfo-collect-quick
#
# Store some hardware information about the running system in the current
# directory.
# This is designed to be run from an openSUSE rescue system (which runs entirely
# off RAMdisk once booted).
#
# Copyright (C) 2009-2013 by Volker Kuhlmann
#               http://volker.top.geek.nz/contact.html
# All rights reserved.
# Released under the terms of the GNU General Public License (GPL) Version 2.
# See http://www.gnu.org/ for details.
#
# Volker Kuhlmann
#   27 May 2009
#   20 May; 7 Jul 2010
#   3, 5 Feb; 15, 16 Apr 2011
#
# Version 1.3  01 Jun 2011
#
# Version 1.4  09 Apr 2012
#   Store first 2048 blocks of disks. Save hwinfo.
#
# Version 1.5  22 Jan 2013
#   Add output of a few more lsXXX,
#   and from 3 more programs of the dmidecode package.
#
# Version 1.6  05 Dec 2015
#   Also output lsusb -v, acpi -V.
#   Only run old version of cfdisk - new one hangs in scripts!
#   Store first 4MB of hard disk as well; the first partition now starts at 4MB
#     by default.
#   Store all stderr output with stdout output.
#   Run all commands with set -x.
#
# Version 1.7  20 Jan 2016
#   Also output lsparts.
#
# Version 1.8  30 Jan 2016
#   Also output gdisk -l, sgdisk -p, parted -l.
#

# Disk to report on. Default /dev/sda, otherwise argument 1.
diskdev="${1:-/dev/sda}"

check_run_cmd() {
    if type -p "$1" >/dev/null; then
	(
	set -x
	"$@" >"$1" 2>&1
	)
    else
	echo 2>&1 "No command $1!"
    fi
}


(
    lspci 
    echo ""
    echo "Detail:"
set -x
    lspci -v -nn
) >lspci 2>&1

(
    lsusb
    echo ""
    echo "Detail:"
set -x
    lsusb -v
) >lsusb 2>&1

for prog in \
    lsmod lsscsi \
    lscpu lsdev lshal lsblk lsparts \
    biosdecode ownership vpddecode dmidecode
do
    check_run_cmd $prog
done
check_run_cmd acpi -V

(
set -x
cat /proc/cpuinfo >cpuinfo
)

disk="${diskdev##*/}"  # Device name after last slash.

(
if fdisk -l -u=cylinders >/dev/null 2>&1; then
    set -x
    fdisk -l -u=sectors    >fdisk-"$disk" 2>&1 "$diskdev"
    fdisk -l -u=cylinders >>fdisk-"$disk" 2>&1 "$diskdev"

    fdisk -l -u=sectors    >fdisk-all 2>&1
    fdisk -l -u=cylinders >>fdisk-all 2>&1
else
    set -x
    fdisk -lu  >fdisk-"$disk" 2>&1 "$diskdev"
    fdisk -l  >>fdisk-"$disk" 2>&1 "$diskdev"

    fdisk -lu  >fdisk-all 2>&1
    fdisk -l  >>fdisk-all 2>&1
fi
)

# Wow, cfdisk (from util-linux 2.25.1, openSUSE 13.2) is completely different
# now - it can't list the partition table any longer, and hangs in scripts,
# reading from terminal even with stdin from /dev/null.
# The useless version shows version with -V and exits 0,
# the useful one shows error and exits 1 with -V.
if ! cfdisk -V >/dev/null 2>&1; then
    (
    set -x
    # cfdisk only lists the first disk, or the disk specified.
    cfdisk -Ps  >cfdisk-"$disk" 2>&1 "$diskdev"
    cfdisk -Pt >>cfdisk-"$disk" 2>&1 "$diskdev"
    #cfdisk -Pr >>cfdisk-"$disk" 2>&1 "$diskdev"
    )
fi

(
set -x

sfdisk -d      >sfdisk-"$disk" 2>&1 "$diskdev"
sfdisk -l -uB >>sfdisk-"$disk" 2>&1 "$diskdev"
sfdisk -l -uS >>sfdisk-"$disk" 2>&1 "$diskdev"
sfdisk -l -uC >>sfdisk-"$disk" 2>&1 "$diskdev"
sfdisk -l -uM >>sfdisk-"$disk" 2>&1 "$diskdev"

dd count=63   if="$diskdev" of=first63blocks-"$disk".diskimg
dd count=2048 if="$diskdev" of=first1M-"$disk".diskimg
dd count=8192 if="$diskdev" of=first4M-"$disk".diskimg
)

# Only gdisk -l <dev>, sgdisk -p <dev>, parted -l can list GPT tables with real
# sector numbers instead of human-readable units.
check_run_cmd gdisk -l "$disk"
check_run_cmd sgdisk -p "$disk"
check_run_cmd parted -l "$disk"

# Run last, it hangs sometimes.
check_run_cmd hwinfo