CHERRY-PICK: Add conversion script to convert Butterfly board to 32bit.
Add conversion script to convert 2GB butterfly board to 32bit.
BUG=chrome-os-partner:13254
TEST=run update_chroot, verify butterfly upgraded
Change-Id: Ie9433a576b4d97feea185c365fcabe8b58121411
Original-Change-Id: Ia6e834b727e70bfb27af9c81175b5df09ef56e2e
Reviewed-on: https://gerrit.chromium.org/gerrit/32863
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-by: Dave Parker <dparker@chromium.org>
diff --git a/chroot_version_hooks.d/45_64bit_convert_butterfly b/chroot_version_hooks.d/45_64bit_convert_butterfly
new file mode 100644
index 0000000..9125014
--- /dev/null
+++ b/chroot_version_hooks.d/45_64bit_convert_butterfly
@@ -0,0 +1,28 @@
+# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This is meant to happen immediately after we update these boards
+# from 64bit to 32bit. It moves the existing build root out of the
+# way and re-creates the build root. The user must remove the copy
+# of the old build root manually if it is not needed.
+
+for board in butterfly; do
+ build="/build/${board}"
+ if [[ -d ${build} ]] ; then
+ case ${HOSTNAME:-$(hostname)} in
+ *.golo.chromium.org)
+ # Do not keep on buildbots.
+ sudo rm -rf "${build}"
+ ;;
+ *)
+ info "Moving 64bit ${board} to ${board}.64bit"
+ info "If you don't need it, please run "
+ info "sudo rm -rf ${build}.64bit"
+ sudo mv ${build}{,.64bit}
+ info "Running setup_board --board=${board}"
+ ~/trunk/src/scripts/setup_board --board=${board} --skip_chroot_upgrade
+ ;;
+ esac
+ fi
+done
