Install archlinux inside debian armv7

install_archlinux_in_debian.sh

#!/bin/bash

ROOT=/archlinux
ROOT_BUILD=$ROOT/build
DEVICE=/dev/sdax

mkdir -p $ROOT
mount $DEVICE $ROOT
mkdir -p $ROOT_BUILD

apt-get install build-essential libarchive-dev autoconf  git autopoint libtool pkg-config libssl-dev gettext rng-tools lsof u-boot-tools
cd $ROOT_BUILD
git clone https://git.archlinux.org/arch-install-scripts.git
git clone https://git.archlinux.org/pacman.git

cd $ROOT_BUILD/pacman
git checkout v5.1.1
./autogen.sh
./configure --disable-doc --prefix=/usr --sysconfdir=/etc --localstatedir=/var
make v=1
make install

mkdir -p /etc/pacman.d/
echo "Server = http://ca.us.mirror.archlinuxarm.org/\$arch/\$repo" >> /etc/pacman.d/mirrorlist

#export LD_LIBRARY_PATH=/usr/local/lib/
#echo "Architecture = armv7h" >> /usr/local/etc/pacman.conf

sed -i  -e 's/Architecture = auto/Architecture = armv7h/g' /etc/pacman.conf
echo "XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u" >> /etc/pacman.conf
echo "[core]" >> /etc/pacman.conf
echo "Include = /etc/pacman.d/mirrorlist"  >> /etc/pacman.conf

echo "[extra]" >> /etc/pacman.conf
echo "Include = /etc/pacman.d/mirrorlist"  >> /etc/pacman.conf

pacman -Sy


cd $ROOT_BUILD/arch-install-scripts
make 

./pacstrap $ROOT base
# generate entropy
rngd -r /dev/urandom 
./arch-chroot $ROOT pacman-key --init
./arch-chroot $ROOT pacman-key --populate archlinuxarm
./pacstrap $ROOT archlinux-keyring

# umount $ROOT/proc  or $ROOT/sys
./arch-chroot $ROOT pacman -Syu
./arch-chroot $ROOT pacman -S base openssh linux
./arch-chroot $ROOT systemctl enable sshd

# configure static ip
./arch-chroot $ROOT systemctl enable netctl
cp $ROOT/etc/netctl/examples/ethernet-static $ROOT/etc/netctl/eth0


#./genfstab $ROOT >> $ROOT/etc/fstab
echo "/dev/sdaX	/	    ext4	errors=remount-ro,relatime	0	1" >> $ROOT/etc/fstab
echo "/dev/sdaA	/boot	ext4	errors=remount-ro,relatime	0	1" >> $ROOT/etc/fstab
echo "/dev/sdaC	swap	swap	defaults	0	0" >> $ROOT/etc/fstab

# Instllation archlinux
./arch-chroot $ROOT
# https://wiki.archlinux.org/index.php/installation_guide

#flash u-boot
cat /proc/mtd

#This informations to configure  /etc/fw_env.config get in /proc/mtd
# When flash NOR offset = 0 and NAND  the offset is necessary
#dev      offset  size
/dev/mtd1   0x0     0x00010000

cat /proc/cmdline
fw_printenv localargs

# change variable root=/dev/sdaX
fw_setenv localargs "xxxxxx root=/dev/sdaX xxxx"