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build_image: auto-disable bootcache when --noenable_rootfs_verification is used

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If devs run `./build_image --noenable_rootfs_verification`, they also
have to manually specify --noenable_bootcache otherwise the default
kicks in.  We can make the default logic slightly smarter and only
enable bootcache by default if rootfs verification is also enabled.

BUG=chromium-os:25441
TEST=`./build_image --board=parrot --enable_rootfs_verification` -> bootcache enabled
TEST=`./build_image --board=parrot --noenable_rootfs_verification` -> bootcache disabled
TEST=`./build_image --board=parrot` -> bootcache enabled
TEST=`./build_image --board=parrot --noenable_bootcache` -> bootcache disabled

Change-Id: I97f40c70c045bca294a903ff73e5eff7554617d4
Reviewed-on: https://gerrit.chromium.org/gerrit/39043
Reviewed-by: Paul Taysom <taysom@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
This commit is contained in:
Mike Frysinger 2012-12-01 14:18:51 -05:00
parent 33776c1cae
commit 454c526fda
1 changed files with 13 additions and 8 deletions
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21
build_image
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@ -32,14 +32,6 @@ DEFINE_boolean standard_backdoor ${FLAGS_TRUE} \
DEFINE_string usb_disk /dev/sdb3 \
"Path syslinux should use to do a usb boot. Default: /dev/sdb3"
FLAGS_bootcache_use_board_default=${FLAGS_TRUE}
case " $* " in
*" --enable_bootcache "*|\
*" --noenable_bootcache "*)
FLAGS_bootcache_use_board_default=${FLAGS_FALSE}
;;
esac
FLAGS_HELP="USAGE: build_image [flags] [list of images to build].
This script is used to build a Chromium OS image. Chromium OS comes in many
different forms. This scripts can be used to build the following:
@ -77,6 +69,19 @@ DEFINE_string version "" \
# Parse command line.
FLAGS "$@" || exit 1
# See if we want to default the bootcache flag before we clobber
# the user's command line. We want to default to false if the
# user explicitly disabled rootfs verification otherwise they
# have to manually specify both.
FLAGS_bootcache_use_board_default=${FLAGS_enable_rootfs_verification}
case " $* " in
*" --enable_bootcache "*|\
*" --noenable_bootcache "*)
FLAGS_bootcache_use_board_default=${FLAGS_FALSE}
;;
esac
eval set -- "${FLAGS_ARGV}"
# Only now can we die on error. shflags functions leak non-zero error codes,