diskcom

#!/bin/bash

# nvme-cli for ssd/nvme
# openseachest support

# mdadm
check="iselect cfdisk partprobe pvs lvs vgs disktype file badblocks screen lvmdiskscan"
for a in $check; do
    if ! which "$a" >/dev/null; then
        echo "$a not found, please install it."
        exit 1
    fi
done

# menu entries to setup md raid
# menu entries to setup lvm

# menu entries to create installer from img links
#  http://lemon.debian.net/debian-unofficial-kfreebsd-amd64-NETINST-1.iso
#  https://releases.ubuntu.com/20.04.2.0/ubuntu-20.04.2.0-desktop-amd64.iso
#  https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-10.10.0-amd64-netinst.iso
#  https://reactos.org/download/
#  https://www.microsoft.com/en-us/software-download/windows10ISO
#  https://github.com/corpnewt/gibMacOS
#  http://dosdude1.com/catalina/

# menu entries to dump partition table (sfdisk)
# menu entries to dump disk image (whole disks only)

# integrate external file into script using say ##content

menu=diskcom.mainmenu
name="DISK COMMANDER"

while (sleep 0.1); do
    dskro=$(screen -ls |grep DSKRO |wc -l)
    dskrw=$(screen -ls |grep DSKRW |wc -l)
    r=$(cat $0|grep ^## |sed s,^##,,g |sed s,PART,$pt,g |sed s,DISK,$d,g | sed s,DSKRO,$dskro,g | sed s,DSKRW,$dskrw,g | iselect -n "$name" -p 3)
    case $r in
	slct)
	    d=`echo -e "Select disk.\n\n$(ls -1 /dev/mmcblk? /dev/nvme?n? /dev/sd? /dev/md* 2>/dev/null | sed "s,.*,<s>&,g")" | iselect -p3 -n "$name"`
	;;
	s-pt)
	    pt=`echo -e "Select partition.\n\n$(ls -1 /dev/sd??* /dev/md* 2>/dev/null | sed "s,.*,<s>&,g")" | iselect -p3 -n "$name"`
	;;
	m-slct)
	    q="Select multiple disks with space.\n"
	    selectables=$(ls /dev/sd? | sed -E "s,/dev,\n<s>&,g")
	    md="`(echo -e $q;echo \"$selectables\") |iselect -m -p3`"
	    #echo $md
	    #read
	;;
	c-raid)
	    rl=`echo -e "Select RAID level.\n\n0\n1\n4\n5\n6\n10" |iselect -a -p3 -n "$name"`
	    echo $rl
	    read
	;;
	read)
	    partprobe
	    read -p "PRESS ENTER TO RETURN TO MENU"
	;;
	crea)
	    cfdisk ${d}
	;;
	lvm2)
	    lvmdiskscan
	    echo
	    pvs
	    echo
	    vgs
	    echo
	    lvs
	    read
	;;
	md)
	    if [ -f /proc/mdstat ]; then
		echo MD found.
		echo
		cat /proc/mdstat
		echo
		mdadm --detail $d
	    else
		echo No MD found.
	    fi
	    read
	;;
	info)
	    clear
	    disktype ${d}*
	    echo
	    file -s ${d}*
	    read
	;;
	bbro)
	    if [ "${d}x" != x ]; then
		read -p "PRESS ENTER TO RUN badblocks RO on $d"
		screen -dmS DSKRO$(basename ${d}) badblocks -sv $d
	    else
		read -p "SELECT DISK FIRST"
	    fi
	;;
	bbrw)
	    if [ "${d}x" != x ]; then
		read -p "PRESS ENTER TO RUN badblocks RW on $d"
		screen -dmS DSKRW$(basename ${d}) badblocks -nsv $d
	    else
		read -p "SELECT DISK FIRST"
	    fi
	;;
	mkfs)
	    ls -1 /usr/*/mkfs.* /*bin/mkfs.* | while read a; do
		echo $(whatis `basename $a`)
		#printf "%-12s %s\n" $(whatis `basename $a`)
	    done
	    read
	;;
	mnts)
	    cat /etc/fstab |grep -v ^# |column -t
	    read
	;;
	exit)
	    exit;
	;;
    esac
done

exit 0

##Main Menu.
##
##<s:slct>Select disk to operate on. [DISK]
##<s:crea>Create partitions on disk [DISK].
##<s:s-pt>Select partition to operate on. [PART]
##<s:c-fs>Create filesystem on partition [PART].
##<s:read>Re-read partition table changes.
##
##<s:m-slct>Select multiple disks to operate on. [MDSK]
##<s:c-raid>Create RAID with multiple disks. [MDSK]
##
##<s:mkfs>List available filesystems.
##<s:mnts>List configured filesystems with mount points (/etc/fstab).
##<s:info>Information about disk [DISK].
##<s:lvm2>Information about LVM2 (Logical Volume Manager).
##<s:md>Information about Linux MD (multi disk) arrays.
##
##<s:bbro>Run RO (read only) check on disk [DISK]. [DSKRO]
##<s:bbrw>Run RW (read write) check on disk [DISK]. [DSKRW]
##
##Convert filesystem live between jfs/xfs/reiser/ext2/ext3/ext4 using fstransform.
##Convert filesystem ntfs2btrfs using ntfs2btrfs.
##Defrag filesystem. https://github.com/vbmacher/defrag
##
##<s:exit>Exit.