debian chroot on android (asus tf300t w/ cyanogenmod 10)

shell

#!/system/xbin/bash

CHROOT=/data/__felix__/__chroot__

if [ -z "$1" -o "$1" == root ]; then
  CMD='/bin/bash -l'
else
  CMD="/bin/su - $1"
fi

if [ ! -d "$CHROOT"/mnt/etc ]; then
  mount -o loop -t ext4 "$CHROOT"/{img,mnt}

  mount -t proc   proc    "$CHROOT"/mnt/proc
  mount -t sysfs  sysfs   "$CHROOT"/mnt/sys
  mount -t devpts devpts  "$CHROOT"/mnt/dev/pts
fi

chroot "$CHROOT"/mnt /usr/bin/env -i \
  PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
  USER=root HOME=/root TERM=linux $CMD

# --

stage1-debian.bash

mkdir -p __chroot__/mnt
dd if=/dev/zero of=__chroot__/img bs=8K count=1048576 # 8GiB
sudo mkfs.ext4 -v __chroot__/img
sudo mount -o loop __chroot__/{img,mnt}
sudo debootstrap --arch=armhf --variant=minbase --foreign \
  --verbose sid __chroot__/mnt http://ftp.nl.debian.org/debian
sudo umount __chroot__/mnt

wget -O __chroot__/shell \
  https://gist.github.com/obfusk/4980445/raw/6a5f645041c2ed8dd05cc9d1a690ee0d89354221/shell
chmod 700 __chroot__/shell

# ... copy __chroot__/ to android, continue with stage2 ...

stage2-android.bash

su

# mount -o ro -t ext4 /dev/block/sda1 /storage/usbdisk0
# mkdir /data/__felix__
# cp -av /storage/usbdisk0/felix/__chroot__/ \
#   /data/__felix__/__chroot__/
# umount /storage/usbdisk0
# chown -R root:root /data/__felix__
# chmod 600 /data/__felix__/__chroot__/img

# mount -o loop -t ext4 /data/__felix__/__chroot__/{img,mnt}
# chroot /data/__felix__/__chroot__/mnt /usr/bin/env -i \
#   PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
#   USER=root HOME=/root TERM=linux /bin/bash -l

/data/__felix__/__chroot__/shell # instead of the above 2 commands

/debootstrap/debootstrap --second-stage

# ... continue w/ stage3 ...

stage3-chroot.bash

cat > /etc/apt/sources.list <<END
deb     http://ftp.nl.debian.org/debian/ sid main
deb-src http://ftp.nl.debian.org/debian/ sid main
END

cat > /etc/resolv.conf <<END
nameserver 8.8.8.8
END

echo locahost > /etc/hostname

ln -s /proc/mounts /etc/mtab


apt-get update
apt-get install aptitude


aptitude install ~p{standard,required,important}

aptitude purge cron exim4{,-base,-config,-daemon-light} anacron+
aptitude purge nfs-common
aptitude purge ~c

aptitude install byobu git grc htop sudo tree vim

aptitude clean


update-alternatives --config editor     # vim


addgroup --system --gid 3003 aid_inet   # internet access

adduser felix
adduser felix sudo
adduser felix aid_inet


dpkg-reconfigure locales                # en_GB*; utf8!
dpkg-reconfigure tzdata


# now you can enter the chroot (as felix) w/
# android$ su -c '/data/__felix__/__chroot__/shell felix'

stage4-chroot.bash

byobu-select-backend screen
byobu-ctrl-a # screen


git config --global user.name "Felix C. Stegerman"
git config --global user.email flx@obfusk.net
git config --global color.ui true


cd ~/dev/gist
git clone https://gist.github.com/4639443.git sodium

cd ~/opt/src
git clone https://gist.github.com/4260039.git sh-config
git clone https://github.com/obfusk/dev-misc.git
git clone https://github.com/obfusk/mgit.git

ln -s opt/src/dev-misc/screenrc ~/.screenrc_
ln -s opt/src/dev-misc/vimrc ~/.vimrc
ln -s ../src/mgit/mgit ~/opt/bin/mgit

vim -p ~/.{bashrc,profile}

cp -i ~/dev/gist/sodium/dot_gemrc ~/.gemrc
cp -i ~/dev/gist/sodium/dot_npmrc ~/.npmrc
cp -i ~/dev/gist/sodium/bin_s ~/bin/s
chmod +x ~/bin/s

cat > ~/bin/sss <<END
#!/bin/bash
script -c "ssh-agent s" /dev/null
END

cat > ~/bin/ssb <<END
#!/bin/bash
script -c "ssh-agent byobu bash" /dev/null
END

chmod +x ~/bin/ss[sb]


wget -O ~/opt/bin/lein2 \
  https://raw.github.com/technomancy/leiningen/stable/bin/lein
chmod +x ~/opt/bin/lein2
ln -s /usr/bin/lein ~/opt/bin/lein1
ln -s lein2 ~/opt/bin/lein


gem install pry bundler


# ...

stage4-notes

* passwd; lock ?!
* mount --bind sdcard/storage ?! -> test!
* cyanogenmod update ?!

* aptitude install cups{,-bsd}  # ???
* aptitude purge at rpcbind ... # ???

* fsck ?!
* memory ?!

* cyanogenmod wiki -> -jb recovery ?!
* android/debian users/groups ?!
* debian wiki; ld.so ?!
* barrier=1; data=ordered ?!

* verified image md5
* free + df OK
* 1.3 GiB used


* use utf8 locale and set terminal emulator to use utf8, otherwise
  ncurses (e.g. aptitude) will be f*cked up !!!

* ls/rsync "overflow"? on __chroot__/img WTF ?!


* mkfs.ext4 -c ... # ???
* tune2fs -c 0 ... # ???

stage4-packages

build-essential
curl
haskell-platform
leiningen
npm
openssh-server
ruby1.9.1-full