ostree/parallel-debian/gnomeos-make-image.sh

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#!/bin/sh
# -*- indent-tabs-mode: nil; -*-
# Generate an ext2 root filesystem disk image.
#
# Copyright (C) 2011 Colin Walters <walters@verbum.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
set -e
set -x
case `uname -p` in
x86_64)
ARCH=amd64
;;
*)
echo "Unsupported architecture"
;;
esac;
DEBTARGET=wheezy
NOTSHARED_DIRS="dev bin etc lib lib32 lib64 proc media mnt run sbin selinux sys srv usr"
SHARED_DIRS="home root tmp var"
if ! test -d debootstrap-$DEBTARGET; then
echo "Creating $DEBTARGET.img"
mkdir -p debootstrap-$DEBTARGET.tmp
debootstrap --download-only --arch $ARCH $DEBTARGET debootstrap-$DEBTARGET.tmp
mv debootstrap-$DEBTARGET.tmp debootstrap-$DEBTARGET
fi
if ! test -f $DEBTARGET.img; then
echo "Creating $DEBTARGET.img"
umount fs || true
mkdir -p fs
qemu-img create $DEBTARGET.img.tmp 2G
mkfs.ext4 -q -F $DEBTARGET.img.tmp
mount -o loop $DEBTARGET.img.tmp fs
for d in debootstrap-$DEBTARGET/var/cache/apt/archives/*.deb; do
tmpdir=`mktemp --tmpdir=. -d`
(cd ${tmpdir};
ar x ../$d;
tar -x -z -C ../fs -f data.tar.gz)
rm -rf ${tmpdir}
done
umount fs
mv $DEBTARGET.img.tmp $DEBTARGET.img
fi
# TODO download source for above
# TODO download build dependencies for above
if ! test -f gnomeos.img; then
echo "Cloning gnomeos.img from $DEBTARGET.img"
cp -a --sparse=always $DEBTARGET.img gnomeos.img.tmp
mkdir -p fs
umount fs || true
mount -o loop gnomeos.img.tmp fs
(cd fs;
mkdir ostree
mkdir ostree/repo
mkdir ostree/gnomeos-origin
for d in $NOTSHARED_DIRS; do
if test -d $d; then
mv $d ostree/gnomeos-origin
fi
done
for d in $SHARED_DIRS; do
mv $d ostree
mkdir ostree/gnomeos-origin/$d
touch ostree/gnomeos-origin/$d/EMPTY
done
ostree init --repo=ostree/repo
(cd ostree/gnomeos-origin; find . '!' -type p | grep -v '^.$' | ostree commit -s 'Initial import' --repo=../repo --from-stdin)
rm -rf ostree/gnomeos-origin
(cd ostree;
rev=`cat repo/HEAD`
ostree checkout --repo=repo HEAD gnomeos-${rev}
ln -s gnomeos-${rev} current)
)
umount fs
mv gnomeos.img.tmp gnomeos.img
fi