Johan Gunnarsson
parent
04ae0e02a7
commit
82c90dad16
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FROM debian:latest
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RUN apt-get update
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt-get -y install debootstrap \
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debian-archive-keyring \
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git \
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crossbuild-essential-arm64 \
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crossbuild-essential-armhf \
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qemu-user-static \
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device-tree-compiler \
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bison \
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flex \
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python-dev \
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swig \
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parted \
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e2fsprogs \
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pwgen
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ENV PATH="/debimg:${PATH}"
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COPY . /debimg
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WORKDIR /debimg
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#!/bin/sh
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# Build SD card image
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IMAGE="${1}" # For example "boot-bananapi.bin"
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DEFCONFIG="${2}" # For example "Bananapi_defconfig"
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TUPLE="${3}" # For example "arm-linux-gnueabihf"
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set -e
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# Create fresh empty directory
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TMP=$(mktemp -d tmp.XXXXXX)
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cd "${TMP}"
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build-image tmp.img
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build-u_boot u-boot "${DEFCONFIG}" "${TUPLE}"
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# Copy U-Boot to 8192 bytes from start
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dd if=u-boot/u-boot-sunxi-with-spl.bin of=tmp.img bs=1K seek=8
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truncate -s 32M tmp.img
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gzip tmp.img
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cp tmp.img.gz "${IMAGE}.bin.gz"
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#!/bin/sh
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# Build Debian root filesystem
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IMAGE2="$1"
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ARCH="$2"
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DIST="$3"
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set -e
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case "${ARCH}" in
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armhf)
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KERNEL=linux-image-armmp
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;;
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arm64)
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KERNEL=linux-image-arm64
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;;
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*)
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echo "Can't decide kernel package for \"${ARCH}\""
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exit 1
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;;
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esac
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# Create fresh empty directory
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TMP=$(mktemp -d tmp.XXXXXX)
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cd "${TMP}"
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# Build a Debian root filesystem (first stage)
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debootstrap \
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--arch="${ARCH}" \
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--verbose \
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--variant=minbase \
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--foreign \
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--include=\
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netbase,\
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ifupdown,\
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net-tools,\
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isc-dhcp-client,\
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${KERNEL},\
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systemd-sysv,\
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u-boot-tools,\
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openssh-server \
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"${DIST}" \
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debian \
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"http://ftp.se.debian.org/debian/"
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# Randomly generated root password
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PASSWORD=$(pwgen -B -A 8 1)
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cp -rv --preserve=mode ../pre-2nd-stage-files/* debian
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# Copy ARM emulation stuff
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cp /usr/bin/qemu-*-static debian/usr/bin
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# Build a Debian root filesystem (second stage)
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chroot debian sh -e <<- EOF
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/debootstrap/debootstrap --second-stage
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/usr/bin/apt-get clean
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/bin/rm -rf /var/lib/apt/lists/*
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/bin/rm -f /var/log/*.log
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/bin/echo root:${PASSWORD} | /usr/sbin/chpasswd
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/bin/sed -i "s/#*\s*PermitRootLogin .*/PermitRootLogin yes/" /etc/ssh/sshd_config
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EOF
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# Remove ARM emulation stuff again
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rm debian/usr/bin/qemu-*-static
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cp -rv --preserve=mode ../post-2nd-stage-files/* debian
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# Write apt sources config
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cat <<- EOF > debian/etc/apt/sources.list
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deb http://deb.debian.org/debian ${DIST} main
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deb-src http://deb.debian.org/debian ${DIST} main
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deb http://security.debian.org/debian-security ${DIST}/updates main
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deb-src http://security.debian.org/debian-security ${DIST}/updates main
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EOF
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# Make a ext4 filesystem of this and put it into the image
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rm -f ext4.img
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fallocate -l 900MiB ext4.img
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mkfs.ext4 -d debian ext4.img
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gzip ext4.img
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cp ext4.img.gz "${IMAGE2}-${PASSWORD}.bin.gz"
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#!/bin/sh
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# Build empty image
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IMAGE="${1}"
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set -e
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rm -f "${IMAGE}"
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fallocate -l 1GB "${IMAGE}" # 1,000,000,000 bytes
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parted -s "${IMAGE}" mklabel msdos
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parted -s "${IMAGE}" mkpart primary fat32 -- 1MiB 32MiB # 31 MiB (32,505,856 bytes)
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parted -s "${IMAGE}" mkpart primary ext2 -- 32MiB -1
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parted -s "${IMAGE}" set 2 boot on
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#!/bin/sh
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# Download and build latest version of U-Boot
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UBOOTDIR="${1}"
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DEFCONFIG="${2}"
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TUPLE="${3}"
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set -e
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# U-Boot version to build
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VERSION=$(git ls-remote --tags --refs "git://git.denx.de/u-boot.git" "v????.??" | \
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cut -f 2 | \
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grep -o "v....\..." | \
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tail -n 1)
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# Download U-Boot
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git clone -b "$VERSION" --depth 1 "git://git.denx.de/u-boot.git" "${UBOOTDIR}"
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# Step into U-Boot directory
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cd "${UBOOTDIR}"
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# Setup ARCH
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case "${TUPLE}" in
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arm-*)
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export ARCH="arm"
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;;
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aarch64-*)
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export ARCH="aarch64"
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;;
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*)
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echo "Can't decide \$ARCH for tuple \"${TUPLE}\""
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exit 1
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;;
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esac
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# CROSS_COMPILE must point to a valid compiler path prefix
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export CROSS_COMPILE=$(dirname $(which "${TUPLE}-gcc"))/"${TUPLE}-"
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# Build U-Boot
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make "${DEFCONFIG}" && make
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# <file system> <mount point> <type> <options> <dump> <pass>
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tmpfs /tmp tmpfs nodev,nosuid 0 0
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tmpfs /var/tmp tmpfs nodev,nosuid 0 0
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@ -0,0 +1 @@
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debian
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auto eth0
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iface eth0 inet dhcp
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auto lo
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iface lo inet loopback
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HOW TO CHANGE ROOT PASSWORD
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---------------------------
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1. It is strongly recommended that you change the root password:
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# passwd root
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HOW TO RESIZE ROOT FILESYSTEM PARTITION
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---------------------------------------
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1. Maximize size of rootfs partition in:
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# parted -s /dev/mmcblk0 resizepart -- 2 -1
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2. Reload partition table:
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# partprobe
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3. Expand ext4 filesystem:
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# resize2fs /dev/mmcblk0p2
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#!/bin/sh
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# Generate initrd.uimg and update U-Boot boot.scr
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# Kernel ABI string
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ABI="${1}"
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# Create U-Boot ramdisk image
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mkimage -A arm -T ramdisk -C none -d "/boot/initrd.img-${ABI}" "/boot/initrd.uimg-${ABI}"
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# Create U-Boot boot script
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cat << EOF > /boot/boot.cmd
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mmc dev 0
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ext4load mmc 0:2 \${kernel_addr_r} /boot/vmlinuz-${ABI}
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ext4load mmc 0:2 \${ramdisk_addr_r} /boot/initrd.uimg-${ABI}
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ext4load mmc 0:2 \${fdt_addr_r} /usr/lib/linux-image-${ABI}/\${fdtfile}
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setenv bootargs "root=/dev/mmcblk0p2 rw rootwait earlyprintk"
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bootz \${kernel_addr_r} \${ramdisk_addr_r} \${fdt_addr_r}
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EOF
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# Create U-Boot boot script
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mkimage -A arm -T script -C none -d /boot/boot.cmd /boot/boot.scr
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#!/bin/sh
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# Generate initrd.uimg and update U-Boot boot.scr
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# Kernel ABI string
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ABI="${1}"
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# Delete U-Boot ramdisk image
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rm -f "/boot/initrd.uimg-${ABI}"
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#!/bin/sh
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# Rebuild everything
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DOCKEROPTS1="--rm -v /tmp/artifacts:/artifacts"
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DOCKEROPTS2="--privileged $DOCKEROPTS1"
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mkdir -p /tmp/artifacts || exit
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# Build Docker image
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docker build -t debimg .
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# Build bootloaders
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docker run $DOCKEROPTS1 debimg build-boot-allwinner "/artifacts/boot-bananapi" "Bananapi_defconfig" "arm-linux-gnueabihf"
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# Build root filesystems
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docker run $DOCKEROPTS2 debimg build-debian "/artifacts/debian-buster-armhf" "armhf" "buster"
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