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Add root growth option.

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This allows us to specify a boost size where we know we are growing Chrome,
but don't know what the default sizes are, nor whether we are overriding them
elsewise.

BUG=chromium-os:29829
TEST=try(lumpy-chrome-pfq,lumpy-canary)

Change-Id: I3b7c927874fdfedace027e7a2398d9e97a9d3527
Reviewed-on: https://gerrit.chromium.org/gerrit/21519
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
Commit-Ready: Peter Mayo <petermayo@chromium.org>
Tested-by: Peter Mayo <petermayo@chromium.org>
This commit is contained in:
Peter Mayo 2012-05-01 11:03:31 -04:00 committed by Gerrit
parent fb2cc48203
commit 82975f96c5
1 changed files with 24 additions and 1 deletions
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25
build_image
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@ -1,6 +1,6 @@
#!/bin/bash
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# 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.
@ -29,6 +29,8 @@ DEFINE_integer rootfs_partition_size 1024 \
"rootfs partition size in MiBs."
DEFINE_integer rootfs_size 850 \
"rootfs filesystem size in MiBs."
DEFINE_integer rootfs_boost_size 0 \
"MiBs by which to increase the rootfs allocations."
DEFINE_boolean standard_backdoor ${FLAGS_TRUE} \
"Install standard backdoor credentials for testing"
DEFINE_integer statefulfs_size 1024 \
@ -103,6 +105,27 @@ OVERLAY_CHROMEOS_DIR="${SRC_ROOT}/third_party/chromiumos-overlay/chromeos"
. "${BUILD_LIBRARY_DIR}/test_image_content.sh" || exit 1
parse_build_image_args
# Tweak sizes defaulted or given based on any boost given (or defaulted).
# This is syntactic sugar to separate concerns in callers, and unify
# default values here.
if [[ $FLAGS_rootfs_boost_size -gt 0 ]]; then
max() {
echo $(( $1 > $2 ? $1 : $2 ))
}
root_boost() {
echo $(( $1 + ( $1 * $FLAGS_rootfs_boost_size + $FLAGS_rootfs_size - 1 ) \
/ $FLAGS_rootfs_size ))
}
FLAGS_rootfs_hash_pad=$(root_boost $FLAGS_rootfs_hash_pad)
FLAGS_rootfs_partition_size=$(root_boost $FLAGS_rootfs_partition_size)
FLAGS_rootfs_size=$(root_boost $FLAGS_rootfs_size)
FLAGS_rootfs_boost_size=0
# Push up to the recommended minimum if we did not get there.
FLAGS_rootfs_hash_pad=$(max $FLAGS_rootfs_hash_pad \
$(( ( $FLAGS_rootfs_size + 99 ) / 100 )))
fi
# Tweak flags, configure extra USE flags, and add packages for the factory
# install shim.
EXTRA_PACKAGES=""