Uninstall Distroshare - Printable Version

Code:
#!/bin/bash



#Distroshare Ubuntu Imager - https://www.distroshare.com

#

#Makes a Live cd that is installable from your current installation

#This is intended to work on Ubuntu and its derivatives

#

#Based on this tutorial: 

#https://help.ubuntu.com/community/MakeALiveCD/DVD/BootableFlashFromHarddiskInstall



#GPL2 License



VERSION="1.0.15"



echo "

################################################

######                                    ######

######                                    ######

###### Distroshare Ubuntu Imager $VERSION   ######

######                                    ######

######                                    ######

###### Brought to you by distroshare.com  ######

######                                    ######

######                                    ######

################################################





"



#Configuration file name and path

CONFIG_FILE="./distroshare-ubuntu-imager.config"



#Current directory

CURRENT_DIR=`pwd`



#Convience function to unmount filesystems

unmount_filesystems() {

    echo "Unmounting filesystems"

    umount "${WORK}"/rootfs/proc > /dev/null 2>&1

    umount "${WORK}"/rootfs/sys > /dev/null 2>&1

    umount -l "${WORK}"/rootfs/dev/pts > /dev/null 2>&1

    umount -l "${WORK}"/rootfs/dev > /dev/null 2>&1

}



#Starting the process



#We depend on the umask being 022

umask 022



#Source the config file

if [ -r "$CONFIG_FILE" ]; then

    . "$CONFIG_FILE"

else

    echo "Can't read config file.  Exiting"

    exit 1

fi



#Set some other variables based on the config file

CD="${WORK}"/CD

CASPER="${CD}"/casper



#Checking for root

if [ "$USER" != "root" ]; then

    echo "You aren't root, so I'm exiting.  Become root and try again."

    exit 1

fi



#Make the directories

echo "Making the necessary directories"

mkdir -p "${CD}"/casper

mkdir -p "${CD}"/boot/grub

mkdir -p "${WORK}"/rootfs



#Install essential tools

echo "Installing the essential tools"

apt-get -q=2 update

apt-get -q=2 install xorriso squashfs-tools dmraid lvm2 samba-common



GRUB2_INSTALLED=`apt-cache policy grub-pc | grep Installed | grep -v none`

#EFI support requires a different grub version. 

if [ "$EFI" == "YES" ]

then

    ARCH=`/usr/bin/arch`

    if [ "$ARCH" == "x86_64" ]

    then 

    apt-get -q=2 install grub-efi-amd64

    else

    apt-get -q=2 install grub-efi-ia32

    fi

else

    apt-get -q=2 install grub-pc

fi





echo "Installing Ubiquity"

apt-get -q=2 install casper lupin-casper

if [ "$GTK" == "YES" ]; then

   apt-get -q=2 install ubiquity-frontend-gtk

else

   apt-get -q=2 install ubiquity-frontend-kde

fi



if [ -n "$EXTRA_PKGS" ]; then

   echo "Adding extra packages to installed system"

   apt-get -q=2 install "$EXTRA_PKGS"

fi



echo "Patching Ubiquity to fix a possible installer crash"

cp /usr/share/ubiquity/plugininstall.py .

patch < plugininstall.patch

cp plugininstall.py /usr/share/ubiquity/plugininstall.py

rm -f plugininstall.py



echo "Patching Ubiquity to stop it from freaking out if zram is enabled"

cp /usr/bin/ubiquity .

patch < ubiquity.patch

cp ubiquity /usr/bin/

rm -f ubiquity



if [ "$GTK" == "YES" ]

then

    echo "Patching Ubiquity Gtk Frontend to make the dialogs smaller"

    cp /usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py .

    patch < ubiquity_frontend_gtk_dialog_size.patch

    cp gtk_ui.py /usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py

    rm -f gtk_ui.py

fi



if [ "$DISTROSHARE_UPDATER" == "YES" ]

then

   echo "Patching Ubiquity to rsync skel files from distroshare updater"

   cp /usr/lib/ubiquity/user-setup/user-setup-apply .

   patch < user-setup-apply.patch

   cp user-setup-apply /usr/lib/ubiquity/user-setup/user-setup-apply

   rm -f user-setup-apply



   echo "Patching user-setup to rsync skel files from distroshare updater"

   cp /usr/lib/user-setup/user-setup-apply .

   patch < user-setup-apply.patch

   cp user-setup-apply /usr/lib/user-setup/user-setup-apply

   rm -f user-setup-apply

fi



#Copy the filesystem

echo "Copying the current system to the new directories"

rsync -a --one-file-system --exclude=/proc/* --exclude=/dev/* \

--exclude=/sys/* --exclude=/tmp/* --exclude=/run/* \

--exclude=/home/* --exclude=/lost+found \

--exclude=/var/tmp/* --exclude=/boot --exclude=/root/* \

--exclude=/var/mail/* --exclude=/var/spool/* --exclude=/media/* \

--exclude=/etc/hosts --exclude=/etc/default/locale \

--exclude=/etc/timezone --exclude=/etc/shadow* --exclude=/etc/gshadow* \

--exclude=/etc/X11/xorg.conf* --exclude=/etc/gdm/custom.conf --exclude=/etc/mdm/mdm.conf \

--exclude=/etc/lightdm/lightdm.conf --exclude="${WORK}"/rootfs \

--exclude=/etc/default/du-firstrun --delete / "${WORK}"/rootfs



#Copy boot partition

echo "Copying the boot dir/partition"

rsync -a --one-file-system /boot/ "${WORK}"/rootfs/boot



#Unmount the filesystems in case the script failed before

unmount_filesystems



#Create devices in /dev

echo "Creating some links and dirs in /dev"

mkdir "${WORK}"/rootfs/dev/mapper > /dev/null 2>&1

mkdir "${WORK}"/rootfs/dev/pts > /dev/null 2>&1

ln -s /proc/kcore "${WORK}"/rootfs/dev/core > /dev/null 2>&1

ln -s /proc/self/fd "${WORK}"/rootfs/dev/fd > /dev/null 2>&1

cd "${WORK}"/rootfs/dev

ln -s fd/2 stderr > /dev/null 2>&1

ln -s fd/0 stdin > /dev/null 2>&1

ln -s fd/1 stdout > /dev/null 2>&1

ln -s ram1 ram > /dev/null 2>&1

ln -s shm /run/shm > /dev/null 2>&1



mknod agpgart c 10 175

chown root:video agpgart

chmod 660 agpgart



mknod audio c 14 4

mknod audio1 c 14 20

mknod audio2 c 14 36

mknod audio3 c 14 52

mknod audioctl c 14 7

chown root:audio audio*

chmod 660 audio*



mknod console c 5 1

chown root:tty console

chmod 600 console



mknod dsp c 14 3

mknod dsp1 c 14 19

mknod dsp2 c 14 35

mknod dsp3 c 14 51

chown root:audio dsp*

chmod 660 dsp*



mknod full c 1 7

chown root:root full

chmod 666 full



mknod fuse c 10 229

chown root:messagebus fuse

chmod 660 fuse



mknod kmem c 1 2

chown root:kmem kmem

chmod 640 kmem



mknod loop0 b 7 0

mknod loop1 b 7 1

mknod loop2 b 7 2

mknod loop3 b 7 3

mknod loop4 b 7 4

mknod loop5 b 7 5

mknod loop6 b 7 6

mknod loop7 b 7 7

chown root:disk loop*

chmod 660 loop*



cd mapper

mknod control c 10 236

chown root:root control

chmod 600 control

cd ..



mknod mem c 1 1

chown root:kmem mem

chmod 640 mem



mknod midi0 c 35 0

mknod midi00 c 14 2

mknod midi01 c 14 18

mknod midi02 c 14 34

mknod midi03 c 14 50

mknod midi1 c 35 1

mknod midi2 c 35 2

mknod midi3 c 35 3

chown root:audio midi*

chmod 660 midi*



mknod mixer c 14 0

mknod mixer1 c 14 16

mknod mixer2 c 14 32

mknod mixer3 c 14 48

chown root:audio mixer*

chmod 660 mixer*



mknod mpu401data c 31 0

mknod mpu401stat c 31 1

chown root:audio mpu401*

chmod 660 mpu401*



mknod null c 1 3

chown root:root null

chmod 666 null



mknod port c 1 4

chown root:kmem port

chmod 640 port



mknod ptmx c 5 2

chown root:tty ptmx

chmod 666 ptmx



mknod ram0 b 1 0

mknod ram1 b 1 1

mknod ram2 b 1 2

mknod ram3 b 1 3

mknod ram4 b 1 4

mknod ram5 b 1 5

mknod ram6 b 1 6

mknod ram7 b 1 7

mknod ram8 b 1 8

mknod ram9 b 1 9

mknod ram10 b 1 10

mknod ram11 b 1 11

mknod ram12 b 1 12

mknod ram13 b 1 13

mknod ram14 b 1 14

mknod ram15 b 1 15

mknod ram16 b 1 16

chown root:disk ram*

chmod 660 ram*



mknod random c 1 8

chown root:root random

chmod 666 random



mknod rmidi0 c 35 64

mknod rmidi1 c 35 65

mknod rmidi2 c 35 66

mknod rmidi3 c 35 67

chown root:audio rmidi*

chmod 660 rmidi*



mknod sequencer c 14 1

chown root:audio sequencer

chmod 660 sequencer



mknod smpte0 c 35 128

mknod smpte1 c 35 129

mknod smpte2 c 35 130

mknod smpte3 c 35 131

chown root:audio smpte*

chmod 660 smpte*



mknod sndstat c 14 6

chown root:audio sndstat

chmod 660 sndstat



mknod tty c 5 0

mknod tty0 c 4 0

mknod tty1 c 4 1

mknod tty2 c 4 2

mknod tty3 c 4 3

mknod tty4 c 4 4

mknod tty5 c 4 5

mknod tty6 c 4 6

mknod tty7 c 4 7

mknod tty8 c 4 8

mknod tty9 c 4 9

chown root:tty tty*

chmod 600 tty*



mknod urandom c 1 9

chown root:root urandom

chmod 666 urandom



mknod zero c 1 5

chown root:root zero

chmod 666 zero



cd "${CURRENT_DIR}"

#Copy the resolv.conf file - needed for newer Ubuntus

echo "Copying resolv.conf"

mv "${WORK}"/rootfs/etc/resolv.conf "${WORK}"/rootfs/etc/resolv.conf.old

cp /etc/resolv.conf "${WORK}"/rootfs/etc/resolv.conf



#Mount dirs into copied distro

echo "Mounting system file dirs"

mount --bind /dev/ "${WORK}"/rootfs/dev

mount --bind /dev/pts "${WORK}"/rootfs/dev/pts

mount -t proc proc "${WORK}"/rootfs/proc

mount -t sysfs sysfs "${WORK}"/rootfs/sys



#Remove non-system users

echo "Removing non-system users"

for i in `cat "${WORK}"/rootfs/etc/passwd | awk -F":" '{print $1}'`

do

   uid=`cat "${WORK}"/rootfs/etc/passwd | grep "^${i}:" | awk -F":" '{print $3}'`

   [ "$uid" -gt "998" -a  "$uid" -ne "65534"  ] && \

       chroot "${WORK}"/rootfs /bin/bash -c "userdel --force ${i} 2> /dev/null"

done



#Source lsb-release for DISTRIB_ID

. /etc/lsb-release



#Run commands in chroot

echo "Creating script to run in chrooted env"

cat > "${WORK}"/rootfs/distroshare_imager.sh <<EOF

#!/bin/bash



umask 022



#Modify copied distro

if [ -n "$UBIQUITY_KERNEL_PARAMS" ]; then

  echo "Replacing ubiquity default extra kernel params with: $UBIQUITY_KERNEL_PARAMS"

  sed -i "s/defopt_params=\"\"/defopt_params=\"${UBIQUITY_KERNEL_PARAMS}\"/" \

/usr/share/grub-installer/grub-installer

fi



#Set flavour in /etc/casper.conf

echo "export FLAVOUR=\"${DISTRIB_ID}\"" >> /etc/casper.conf



echo "Setting up display manager for autologin if needed"

#Testing for MDM and applying specific changes for it

if [ "${DM}" == "MDM" ]; then

    sed -i 's/gdm\/custom.conf/mdm\/mdm.conf/' \

/usr/share/initramfs-tools/scripts/casper-bottom/15autologin

    mkdir -p /etc/mdm

    echo "[daemon]

#AutomaticLoginEnable = false

#AutomaticLogin = none

#TimedLoginEnable = false

" > /etc/mdm/mdm.conf

    #Copy /etc/apt/sources.list to /etc/apt/sources.list.new

    cp /etc/apt/sources.list /etc/apt/sources.list.new

fi



#Testing for GDM and applying specific changes for it

if [ "${DM}" == "GDM" ]; then

    mkdir -p /etc/gdm

    echo "[daemon]

#AutomaticLoginEnable = false

#AutomaticLogin = none

#TimedLoginEnable = false

" > /etc/gdm/custom.conf

fi



if [ "${DM}" == "KDM" ]; then

    mkdir -p /etc/kde4/kdm

    echo "[X-:0-Core]

AutoLoginEnable=false

AutoLoginUser=none

AutoReLogin=false

" > /etc/kde4/kdm/kdmrc

fi



if [ "${DM}" == "LIGHTDM_UBUNTU_MATE" ]; then

 sed -i 's/\/etc\/lightdm\/lightdm.conf/\/usr\/share\/lightdm\/lightdm.conf.d\/60-lightdm-gtk-greeter.conf/' \

/usr/share/initramfs-tools/scripts/casper-bottom/15autologin



 sed -i 's/autologin-session=lightdm-autologin/user-session=mate/' \

/usr/share/initramfs-tools/scripts/casper-bottom/15autologin

fi



if [ "${DM}" == "LIGHTDM_ZORIN" ]; then

 echo "[SeatDefaults]

user-session=zorin_desktop

" > /etc/lightdm/lightdm.conf



 sed -i 's/autologin-session=lightdm-autologin/user-session=zorin_desktop/' \

/usr/share/initramfs-tools/scripts/casper-bottom/15autologin

fi



if [ "${DM}" == "LIGHTDM_KODIBUNTU" ]; then

 echo "[SeatDefaults]

xserver-command=/usr/bin/X -bs -nolisten tcp

user-session=kodi

allow-guest=false

greeter-session=lightdm-gtk-greeter

" > /etc/lightdm/lightdm.conf



 sed -i 's/autologin-session=lightdm-autologin/user-session=kodi/' \

/usr/share/initramfs-tools/scripts/casper-bottom/15autologin

fi



if [ "${DM}" == "LIGHTDM_DEEPIN" ]; then

 echo "[SeatDefaults]

greeter-session=lightdm-deepin-greeter

user-session=deepin

" > /etc/lightdm/lightdm.conf



 sed -i 's/autologin-session=lightdm-autologin/user-session=deepin/' \

/usr/share/initramfs-tools/scripts/casper-bottom/15autologin



 #Fix for installer icon on desktop 

 sed -i 's/ubiquity.desktop/ubiquity-gtkui.desktop/' \

/usr/share/initramfs-tools/scripts/casper-bottom/25adduser

fi



#Update initramfs 

echo "Updating initramfs"

depmod -a $(uname -r)

update-initramfs -u -k all > /dev/null 2>&1



#Clean up downloaded packages

echo "Cleaning up files that are not needed in the new image"

apt-get clean



#Clean up files

#rm -f /etc/X11/xorg.conf*

rm -f /etc/hosts

rm -f /etc/hostname

rm -f /etc/mtab*

rm -f /etc/fstab

rm -f /etc/udev/rules.d/70-persistent*

rm -f /etc/cups/ssl/server.crt

rm -f /etc/cups/ssl/server.key

rm -f /etc/NetworkManager/system-connections/*

rm -f /etc/ssh/*key*

rm -f /var/lib/dbus/machine-id

rm -f /etc/resolv.conf

mv /etc/resolv.conf.old /etc/resolv.conf

truncate -s 0 /etc/printcap > /dev/null 2>&1

truncate -s 0 /etc/cups/printers.conf

rm -rf /var/lib/sudo/*

rm -rf /var/lib/AccountsService/users/*

rm -rf /var/lib/kdm/*

rm -rf /var/lib/lightdm/*

rm -rf /var/lib/lightdm-data/*

rm -rf /var/lib/gdm/*

rm -rf /var/lib/gdm-data/*

rm -rf /var/lib/mdm/*

rm -rf /var/lib/mdm-data/*

rm -rf /var/run/console/*



#If /var/run is a link, then it is pointing to /run

if [ ! -L /var/run ]; then

  find /var/run/ -type f -exec rm -f {} \;

fi



#If /var/lock is a link, then it is pointing to /run/lock

if [ ! -L /var/lock ]; then

  find /var/lock/ -type f -exec rm -f {} \;

fi



#Clean up files - taken from BlackLab Imager

find /var/backups/ /var/spool/ /var/mail/ \

/var/tmp/ /var/crash/ \

/var/lib/ubiquity/ -type f -exec rm -f {} \;



#Remove archived logs

find /var/log -type f -name '*.[0-9]*' -exec rm -f {} \;



#Truncate all logs

find /var/log -type f -exec truncate -s 0 {} \;



EOF



echo "Running script in chrooted env"

chmod 700 "${WORK}"/rootfs/distroshare_imager.sh

chown root:root "${WORK}"/rootfs/distroshare_imager.sh

chroot "${WORK}"/rootfs /distroshare_imager.sh

rm -f "${WORK}"/rootfs/distroshare_imager.sh



echo "Copying over kernel and initrd"

cp -p "${WORK}"/rootfs/boot/vmlinuz-"${KERNEL_VERSION}" "${CASPER}"/vmlinuz

cp -p "${WORK}"/rootfs/boot/initrd.img-"${KERNEL_VERSION}" "${CASPER}"/initrd.img

cp -p "${WORK}"/rootfs/boot/memtest86+.bin "${CD}"/boot



echo "Creating filesystem.manifest"

dpkg-query -W --showformat='${Package} ${Version}\n' > "${CASPER}"/filesystem.manifest



cp "${CASPER}"/filesystem.manifest "${CASPER}"/filesystem.manifest-desktop

REMOVE='ubiquity ubiquity-frontend-gtk ubiquity-frontend-kde casper user-setup os-prober libdebian-installer4 apt-clone archdetect-deb dpkg-repack gir1.2-json-1.0 gir1.2-timezonemap-1.0 gir1.2-xkl-1.0 libdebian-installer4 libparted-fs-resize0 libtimezonemap-data libtimezonemap1 python3-icu python3-pam rdate sbsigntool ubiquity-casper ubiquity-ubuntu-artwork localechooser-data cifs-utils  gir1.2-appindicator3-0.1 gir1.2-javascriptcoregtk-3.0 gir1.2-vte-2.90 gir1.2-webkit-3.0' 

for i in $REMOVE

do

   sed -i "/${i}/d" "${CASPER}"/filesystem.manifest-desktop

done



#Remove the extra script created to prevent an error message

rm -f "$CASPER_EXTRA_SCRIPT"



echo "Uninstalling Ubiquity"

apt-get -q=2 remove casper lupin-casper ubiquity user-setup



if [ -n "$EXTRA_PKGS" ]; then

   echo "Removing extra packages from installed system"

   apt-get -q=2 remove "$EXTRA_PKGS"

fi



if [ -n "$GRUB2_INSTALLED" -a "$EFI" == "YES" ]

then

    sudo apt-get install grub-pc

fi



echo "Removing temp files"

rm -rf "${WORK}"/rootfs/tmp/*

rm -rf "${WORK}"/rootfs/run/*



unmount_filesystems

echo "Making squashfs - this is going to take a while"

mksquashfs "${WORK}"/rootfs "${CASPER}"/filesystem.squashfs -noappend



echo "Making filesystem.size"

echo -n $(du -s --block-size=1 "${WORK}"/rootfs | \

    tail -1 | awk '{print $1}') > "${CASPER}"/filesystem.size

echo "Making md5sum"

rm -f "${CD}"/md5sum.txt

find "${CD}" -type f -print0 | xargs -0 md5sum | sed "s@${CD}@.@" | \

    grep -v md5sum.txt >> "${CD}"/md5sum.txt



echo "Creating release notes url"

mkdir "${CD}"/.disk

echo "${RELEASE_NOTES_URL}" > "${CD}"/.disk/release_notes_url



echo "Creating grub.cfg"

echo "

set default=\"0\"

set timeout=10



menuentry \"Ubuntu GUI\" {

linux /casper/vmlinuz boot=casper $KERNEL_PARAMS quiet splash --

initrd /casper/initrd.img

}



menuentry \"Ubuntu in safe mode\" {

linux /casper/vmlinuz boot=casper $KERNEL_PARAMS xforcevesa quiet splash --

initrd /casper/initrd.img

}



menuentry \"Check Disk for Defects\" {

linux /casper/vmlinuz boot=casper $KERNEL_PARAMS integrity-check quiet splash --

initrd /casper/initrd.img

}



menuentry \"Memory Test\" {

linux16 /boot/memtest86+.bin --

}



menuentry \"Boot from the first hard disk\" {

set root=(hd0)

chainloader +1

}

" > "${CD}"/boot/grub/grub.cfg



echo "Creating the iso"

grub-mkrescue -o "${WORK}"/live-cd.iso "${CD}"



echo "We are done."

echo "Is your distro interesting or customized for a specific machine?"

echo "How about sharing it at https://www.distroshare.com?"

echo "You will help others and you could receive donations for your work."

echo ""