Copy initial files from apertis-image-customization

Copying overlay and scripts from original repository
with adaptation for Debos.

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>
Differential Revision: https://phabricator.apertis.org/D7201

overlays/armhf-minimal/etc/dpkg/dpkg.cfg.d/apertis-minimal-hardware-exclusions

+# Drop all kernel modules: we assume the kernel in use on ARM devices
+# already has everything important built-in.
+path-exclude=/lib/modules/*

overlays/armhf-platform/etc/initramfs-tools/conf.d/modules

+MODULES=list

scripts/add-initramfs-modules.chroot

+#!/bin/sh
+
+set -e
+
+# Add extra modules to initramfs
+echo "I: Add extra modules to initramfs"
+echo netprio_cgroup >> /etc/initramfs-tools/modules
+echo cls_cgroup >> /etc/initramfs-tools/modules
+if `update-initramfs -u`
+then
+	echo "I: Updated initramfs with netprio_cgroup and cls_cgroup modules"
+else
+	echo "W: Failed to add netprio_cgroup and cls_cgroup modules to initramfs"
+fi

scripts/add-xdg-user-metadata.chroot

+#!/bin/bash
+
+set -e
+shopt -s dotglob > /dev/null 2>&1
+
+# Hackish: Add user XDG metadata BUG: #1157
+echo "I: Adding XDG user metadata."
+mkdir -p /etc/skel/{.config,.cache,.dbus}
+mkdir -p /etc/skel/.local/{bin,etc,include,lib,libexec,share}
+
+mkdir -p /root/{.config,.cache,.dbus}
+mkdir -p /root/.local/{bin,etc,include,lib,libexec,share}
+shopt -u

scripts/add_user_to_groups.chroot

+#!/bin/sh
+
+set -e
+
+DEFGROUPS="admin,adm,dialout,cdrom,plugdev,audio,dip,video,staff,shared"
+
+for group in $(echo $DEFGROUPS | tr ',' ' '); do
+    if /bin/egrep  -i "^$group" /etc/group ; then
+       echo "Group $group exists in /etc/group"
+    else
+       echo "Group $group does not exist in /etc/group, creating"
+       groupadd $group
+    fi
+done
+
+echo "I: add user to ($DEFGROUPS) groups"
+usermod -a -G ${DEFGROUPS} user

scripts/check_sudoers_for_admin.chroot

+#!/bin/sh
+
+set -e
+
+# check to make sure sudoers file has ref for admin
+ADMINEXISTS="$(awk '$1 == "%admin" { print $1 }' /etc/sudoers)"
+if [ -z "$ADMINEXISTS" ]; then
+  # append admin entry to sudoers
+  echo "# Members of the admin group may gain root privileges" >> /etc/sudoers
+  echo "%admin  ALL = (ALL) NOPASSWD: ALL" >> /etc/sudoers
+fi
+
+# make sure that NOPASSWD is set for %admin
+# expecially in the case that we didn't add it to /etc/sudoers
+# just blow the %admin line away and force it to be NOPASSWD
+sed -i -e '
+/\%admin/ c \
+%admin  ALL = (ALL) NOPASSWD: ALL
+' /etc/sudoers

scripts/create-mtab-symlink.hook.chroot

+#!/bin/sh
+
+set -e
+
+# Create /etc/mtab symlink, replacing a regular file if necessary
+
+if [ ! -L /etc/mtab ]
+then
+	rm -f /etc/mtab
+	ln -s /proc/self/mounts /etc/mtab
+fi

scripts/extract_initrd_uuid.binary

+#!/bin/sh
+
+set -e
+
+mkdir -p uuid
+cd uuid
+
+prefix=
+
+if ls ../binary/casper/initrd.img-* > /dev/null 2>&1; then
+  prefix=../binary/boot/filesystem.dir/casper/
+else
+  prefix=../binary/boot/filesystem.dir/boot/
+fi
+
+UUID=`uuidgen -r`
+
+for initrd in `ls $prefix/initrd.img-* 2> /dev/null`; do
+  zcat $initrd | cpio --quiet -id
+  echo $UUID > conf/uuid.conf
+  find . | cpio --quiet --dereference -o -H newc | gzip > $initrd
+  rm -rf *
+done
+
+echo "I: setting rootfs UUID $UUID in initrd... copying to '.disk/casper-uuid'."
+if [ ! -d ../binary/boot/filesystem.dir/.disk ]; then
+    mkdir -p ../binary/boot/filesystem.dir/.disk
+fi
+echo $UUID > ../binary/boot/filesystem.dir/.disk/casper-uuid
+cd ..
+rm -rf uuid

scripts/generate_openssh_keys.chroot

+#!/bin/sh
+
+set -e
+
+# Generate openssh keys
+echo "I: Regenerate SSH keys"
+if dpkg -l openssh-server | tail -n 1 | grep -q ^ii
+then
+	dpkg-reconfigure openssh-server
+else
+	echo "W: openssh-server not found. Avoiding key generation."
+fi

scripts/move-root.chroot

+#!/bin/sh
+
+set -e
+
+# Move /root to /var/root and add a symlink
+mv /root var/root
+ln -s var/root /root

scripts/remove_var_lib_parts.binary

+#!/bin/sh
+
+set -e
+
+fail () { printf "%s\n" "$*"; exit 1; }
+
+test -n "$ROOTDIR" || fail 'error: $ROOTDIR is not set'
+test -d "$ROOTDIR" || fail 'error: $ROOTDIR is not a directory'
+
+cd "$ROOTDIR"
+
+echo "I: commented out such that dpkg and apt will work for NOW"
+#echo "I: rm /var/lib/dpkg"
+#rm -rf ./var/lib/dpkg
+echo "I: rm /var/lib/apt"
+rm -f ./var/lib/apt/lists/*Packages
+rm -f ./var/lib/apt/lists/*Sources
+rm -f ./var/lib/apt/lists/*Release
+rm -f ./var/lib/apt/lists/*Release.gpg
+echo "I: rm /var/cache/apt"
+rm -f ./var/cache/apt/pkgcache.bin
+rm -f ./var/cache/apt/srcpkgcache.bin

scripts/setup_user.chroot

+#!/bin/bash
+
+set -e
+shopt -s dotglob
+
+echo "I: create user"
+adduser --gecos User --disabled-login user
+
+echo "I: set user password"
+echo "user:user" | chpasswd
+
+shopt -u