gnomeos-make-image.sh: New script

This uses debootstrap, and sets up the root filesystem like we expect.
Still working on an automated way to download the kernel binary,
initrd, then unpack+modify the initrd.

parallel-debian/gnomeos-make-image.sh

@@ -0,0 +1,84 @@
+#!/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
+
+DEBTARGET=squeeze
+KERNEL_BIN=http://ftp.us.debian.org/debian/pool/main/l/linux-latest-2.6/linux-image-2.6-amd64_2.6.32+29_amd64.deb
+
+NOTSHARED_DIRS="dev bin etc lib lib32 lib64 proc media mnt run sbin selinux sys srv usr"
+SHARED_DIRS="home root opt tmp var"
+
+case `uname -p` in
+    x86_64)
+        ARCH=amd64
+        ;;
+    i?86)
+        ARCH=i386
+        ;;
+esac;
+
+if ! test -f $DEBTARGET.img; then
+    echo "Creating $DEBTARGET.img"
+    qemu-img create $DEBTARGET.img.tmp 2G
+    mkfs.ext2 -q -F $DEBTARGET.img.tmp
+    mkdir -p gnomeos-fs
+    mount -o loop $DEBTARGET.img.tmp gnomeos-fs
+    debootstrap --arch $ARCH $DEBTARGET gnomeos-fs
+    umount gnomeos-fs
+    mv $DEBTARGET.img.tmp $DEBTARGET.img
+fi
+
+if ! test -f 
+
+if ! test -f gnomeos.img; then
+    echo "Cloning gnomeos.img from $DEBTARGET.img"
+    cp -a --sparse=always $DEBTARGET.img gnomeos.img.tmp
+    umount gnomeos-fs || true
+    mount -o loop gnomeos.img.tmp gnomeos-fs
+    (cd gnomeos-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 gnomeos-fs
+    mv gnomeos.img.tmp gnomeos.img
+fi
+
+