Add script to build juno for Raspberry Pi 4

juno/arm64/raspi4/build.sh

@@ -0,0 +1,286 @@
+#!/bin/bash
+
+set -e
+
+VERSION="juno"
+TARGET="arm64+raspi4"
+YYYYMMDD="$(date +%Y%m%d)"
+OUTPUT_SUFFIX=".img"
+TARGET_IMG="elementaryos-${VERSION}-${TARGET}.${YYYYMMDD}${OUTPUT_SUFFIX}"
+
+BASE_IMG_URL="https://github.com/TheRemote/Ubuntu-Server-raspi4-unofficial/releases/download/v14/ubuntu-18.04.3-preinstalled-server-arm64+raspi4.img.xz"
+BASE_IMG="ubuntu-18.04.3-preinstalled-server-arm64+raspi4.img"
+MountXZ=""
+
+function MountIMG {
+  MountXZ=$(kpartx -avs "$TARGET_IMG")
+  sync
+  MountXZ=$(echo "$MountXZ" | awk 'NR==1{ print $3 }')
+  MountXZ="${MountXZ%p1}"
+  echo "Mounted $TARGET_IMG on loop $MountXZ"
+}
+
+function MountIMGPartitions {
+  # % Mount the image on /mnt (rootfs)
+  mount /dev/mapper/"${MountXZ}"p2 /mnt
+
+  # % Remove overlapping firmware folder from rootfs
+  rm -rf /mnt/boot/firmware
+  mkdir /mnt/boot/firmware
+
+  # % Mount /mnt/boot/firmware folder from bootfs
+  mount /dev/mapper/"${MountXZ}"p1 /mnt/boot/firmware
+  sync
+  sleep 0.1
+}
+
+function UnmountIMGPartitions {
+  sync
+  sleep 0.1
+
+  echo "Unmounting /mnt/boot/firmware"
+  while mountpoint -q /mnt/boot/firmware && ! umount /mnt/boot/firmware; do
+    sync
+    sleep 0.1
+  done
+
+  echo "Unmounting /mnt"
+  while mountpoint -q /mnt && ! umount /mnt; do
+    sync
+    sleep 0.1
+  done
+
+  sync
+  sleep 0.1
+}
+
+function UnmountIMG {
+  sync
+  sleep 0.1
+
+  UnmountIMGPartitions
+
+  echo "Unmounting $TARGET_IMG"
+  kpartx -dvs "$TARGET_IMG"
+
+  sleep 0.1
+
+  dmsetup remove ${MountXZ}p1
+  dmsetup remove ${MountXZ}p2
+
+  sleep 0.1
+
+  losetup --detach-all /dev/${MountXZ}
+
+  while [ -n "$(losetup --list | grep /dev/${MountXZ})" ]; do
+    sync
+    sleep 0.1
+  done
+}
+
+apt-get update
+apt-get install -y \
+  wget \
+  xz-utils \
+  kpartx \
+  qemu-user-static \
+  parted \
+  zerofree \
+  dosfstools
+
+if [ ! -f ${BASE_IMG} ]; then
+    wget ${BASE_IMG_URL} -O ${BASE_IMG}.xz
+    unxz ${BASE_IMG}.xz
+fi
+
+cp -vf ${BASE_IMG} ${TARGET_IMG}
+
+sync
+sleep 5
+
+# Expand the image
+truncate -s 7G "$TARGET_IMG"
+sync
+
+sleep 5
+
+MountIMG
+
+# Get the starting offset of the root partition
+PART_START=$(parted /dev/"${MountXZ}" -ms unit s p | grep ":ext4" | cut -f 2 -d: | sed 's/[^0-9]//g')
+
+# Perform fdisk to correct the partition table
+set +e
+fdisk /dev/"${MountXZ}" << EOF
+p
+d
+2
+n
+p
+2
+$PART_START
+
+p
+w
+EOF
+set -e
+
+# Close and unmount image then reopen it to get the new mapping
+UnmountIMG
+MountIMG
+
+# Run fsck
+e2fsck -fva /dev/mapper/"${MountXZ}"p2
+sync
+sleep 1
+
+UnmountIMG
+MountIMG
+
+# Run resize2fs
+resize2fs /dev/mapper/"${MountXZ}"p2
+sync
+sleep 1
+
+UnmountIMG
+MountIMG
+
+# Zero out free space on drive to reduce compressed img size
+zerofree -v /dev/mapper/"${MountXZ}"p2
+sync
+sleep 1
+
+# Map the partitions of the IMG file so we can access the filesystem
+MountIMGPartitions
+
+# Configuration for elementary OS
+wget https://raw.githubusercontent.com/elementary/os/master/etc/config/includes.chroot/etc/netplan/01-network-manager-all.yml \
+  -O /mnt/etc/netplan/01-network-manager-all.yml
+
+mkdir -p /mnt/etc/NetworkManager/conf.d
+
+wget https://raw.githubusercontent.com/elementary/os/master/etc/config/includes.chroot/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf \
+  -O /mnt/etc/NetworkManager/conf.d/10-globally-managed-devices.conf
+
+mkdir -p /mnt/etc/oem
+
+wget https://www.raspberrypi.org/app/uploads/2018/03/RPi-Logo-Reg-SCREEN.png \
+  -O /mnt/etc/oem/logo.png
+
+cat > /mnt/etc/oem.conf << EOF
+[OEM]
+Manufacturer=Raspberry Pi Foundation
+Product=Raspberry Pi
+Logo=/etc/oem/logo.png
+URL=https://www.raspberrypi.org/
+EOF
+
+# setup chroot
+cp -f /usr/bin/qemu-aarch64-static /mnt/usr/bin
+
+mount --bind /etc/resolv.conf /mnt/etc/resolv.conf
+
+# chroot
+set +e
+chroot /mnt /bin/bash << EOF
+# Add elementary OS stable repository
+add-apt-repository ppa:elementary-os/stable -ny
+
+# Add elementary OS patches repository
+add-apt-repository ppa:elementary-os/os-patches -ny
+
+# Upgrade packages
+apt-get update
+apt-get upgrade -y
+
+# Install elementary OS packages
+apt-get install -y \
+  elementary-desktop \
+  elementary-minimal \
+  elementary-standard
+
+# Install elementary OS initial setup
+apt-get install -y \
+  desktop-file-utils \
+  gettext \
+  git \
+  libgranite-dev \
+  libaccountsservice-dev \
+  libgnomekbd-dev \
+  libgtk-3-dev \
+  libjson-glib-dev \
+  libpwquality-dev \
+  libxml2-dev \
+  libxml2-utils \
+  meson \
+  valac
+
+cd /tmp
+git clone https://github.com/elementary/initial-setup
+cd initial-setup
+meson build --prefix=/usr
+cd build
+ninja
+ninja install
+
+cd ~
+rm -rf /tmp/initial-setup
+
+# Remove unnecessary packages
+apt-get purge -y \
+  unity-greeter \
+  ubuntu-server \
+  plymouth-theme-ubuntu-text \
+  cloud-init \
+  cloud-initramfs* \
+  lxd \
+  lxd-client \
+  acpid \
+  gnome-software \
+  vim*
+
+# Clean up after ourselves and clean out package cache to keep the image small
+apt-get autoremove -y
+apt-get clean
+apt-get autoclean
+EOF
+set -e
+
+umount /mnt/etc/resolv.conf
+
+# Remove files needed for chroot
+rm -rf /mnt/usr/bin/qemu-aarch64-static
+
+# Remove any crash files generated during chroot
+rm -rf /mnt/var/crash/*
+rm -rf /mnt/var/run/*
+
+# Configuration for elementary OS
+sed -i 's/juno/bionic/g' /mnt/etc/apt/sources.list
+
+sed -i 's/ubuntu/elementary/g' /mnt/etc/hostname
+sed -i 's/ubuntu/elementary/g' /mnt/etc/hosts
+
+sed -i 's/$/ logo.nologo loglevel=0 quiet splash vt.global_cursor_default=0 plymouth.ignore-serial-consoles/g' /mnt/boot/firmware/cmdline.txt
+
+echo "" >> /mnt/boot/firmware/config.txt
+echo "boot_delay=1" >> /mnt/boot/firmware/config.txt
+
+# Unmount
+UnmountIMGPartitions
+
+# Run fsck on image
+fsck.ext4 -pfv /dev/mapper/"${MountXZ}"p2
+fsck.fat -av /dev/mapper/"${MountXZ}"p1
+
+zerofree -v /dev/mapper/"${MountXZ}"p2
+
+# Save image
+UnmountIMG
+
+# Create artifacts
+mv ${TARGET_IMG} artifacts/
+cd artifacts
+xz -0 ${TARGET_IMG}
+md5sum ${TARGET_IMG}.xz > ${TARGET_IMG}.xz.md5
+sha256sum ${TARGET_IMG}.xz > ${TARGET_IMG}.xz.sha256