Add usb_update module for olpc-update --usb

2 files changed, 28 insertions, 0 deletions

diff --git a/modules/usb_update/README b/modules/usb_update/README
new file mode 100644
index 0000000..ef70133
--- /dev/null
+++ b/modules/usb_update/README
@@ -0,0 +1,10 @@
+This module creates produces an output file named osXX.usb. This file can
+be used with the command "olpc-update --usb" to update the software on a
+laptop.
+
+This module requires the versioned_fs option in the base module to be enabled.
+(the update system revolves around the fact that a versioned fs is used)
+
+The .usb file is actually an ISO image in disguise. In the future, we should
+enable squashfs in the XO kernel and distribute a squashfs image instead.
+
diff --git a/modules/usb_update/image.60.makeusb.sh b/modules/usb_update/image.60.makeusb.sh
new file mode 100644
index 0000000..03e3907
--- /dev/null
+++ b/modules/usb_update/image.60.makeusb.sh
@@ -0,0 +1,18 @@
+# Copyright (C) 2010 One Laptop Per Child
+# Licensed under the terms of the GNU GPL v2 or later; see COPYING for details.
+
+. $OOB__shlib
+majver=$(read_config global olpc_version_major)
+minver=$(read_config global olpc_version_minor)
+relver=$(read_config global olpc_version_release)
+versioned_fs=$(read_config base versioned_fs)
+buildnr=$(read_buildnr)
+
+if [ "$versioned_fs" != "1" ]; then
+	echo "ERROR: usb_upgrade requires base.versioned_fs=1" >&2
+	exit 1
+fi
+
+echo "Making USB olpc-update image..."
+mkisofs -o $outputdir/os$buildnr.usb -quiet -cache-inodes -iso-level 4 -publisher "olpc-os-builder" -R -V "$majver.$minver.$relver $buildnr" $fsmount/versions/pristine/*
+