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Reduce the size of factory install shim.

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Temporary approach to using INSTALL_MASK to suppress some non-relevant paths.
It reduces the size from ~426MB to ~163MB. Eventually, will remove it and
create a clean and separated ebuild for chromeos-factoryinstall.

Review URL: http://codereview.chromium.org/2084001
This commit is contained in:
Tom Wai-Hong Tam 2010-05-17 16:06:33 +08:00
parent 9c5e5ecad3
commit f87a3678dd
2 changed files with 29 additions and 7 deletions
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30
build_image
View File

@ -39,6 +39,9 @@ DEFINE_boolean statefuldev $FLAGS_TRUE \
"Install development packages on stateful partition rather than the rootfs"
DEFINE_string to "" \
"The target image file or device"
DEFINE_boolean factory_install $FLAGS_FALSE \
"Build a smaller image to overlay the factory install shim on; this argument \
is also required in image_to_usb."
DEFINE_string arm_extra_bootargs "" \
"Additional command line options to pass to the ARM kernel."
@ -180,7 +183,12 @@ fi
# Create root file system disk image to fit on a 1GB memory stick.
# 1 GB in hard-drive-manufacturer-speak is 10^9, not 2^30. 950MB < 10^9 bytes.
ROOT_SIZE_BYTES=$((1024 * 1024 * 720))
if [[ $FLAGS_factory_install -eq ${FLAGS_TRUE} ]] ; then
ROOT_SIZE_BYTES=$((1024 * 1024 * 180))
else
ROOT_SIZE_BYTES=$((1024 * 1024 * 720))
fi
dd if=/dev/zero of="$ROOT_FS_IMG" bs=1 count=1 seek=$((ROOT_SIZE_BYTES - 1))
sudo losetup "$LOOP_DEV" "$ROOT_FS_IMG"
sudo mkfs.ext3 "$LOOP_DEV"
@ -259,6 +267,12 @@ if [[ $FLAGS_installmask -eq ${FLAGS_TRUE} ]] ; then
INSTALL_MASK="$DEFAULT_INSTALL_MASK"
fi
# Reduce the size of factory install shim.
# TODO: Build a separated ebuild for the factory install shim to reduce size.
if [[ $FLAGS_factory_install -eq ${FLAGS_TRUE} ]] ; then
INSTALL_MASK="$INSTALL_MASK $FACTORY_INSTALL_MASK"
fi
if [[ $FLAGS_jobs -ne -1 ]]; then
EMERGE_JOBS="--jobs=$FLAGS_jobs"
fi
@ -349,8 +363,7 @@ EOF
# By default, dev mode should be activated for either development builds or
# test builds.
if [[ $FLAGS_withdev -eq $FLAGS_TRUE ]] ||\
[[ $FLAGS_withtest -eq $FLAGS_TRUE ]]; then
if [[ $FLAGS_withdev -eq $FLAGS_TRUE ]] ; then
sudo touch "$ROOT_FS_DIR/root/.dev_mode"
# Re-run ldconfig to fix /etc/ldconfig.so.cache.
@ -363,10 +376,13 @@ fi
--target="$ARCH" \
--board="$BOARD"
# Check that the image has been correctly created.
"${SCRIPTS_DIR}/test_image" \
--root="$ROOT_FS_DIR" \
--target="$ARCH"
# Don't test the factory install shim.
if [[ $FLAGS_factory_install -eq ${FLAGS_FALSE} ]] ; then
# Check that the image has been correctly created.
"${SCRIPTS_DIR}/test_image" \
--root="$ROOT_FS_DIR" \
--target="$ARCH"
fi
# Clean up symlinks so they work on a running target rooted at "/".
# Here development packages are rooted at /usr/local. However, do not

6
common.sh
View File

@ -123,6 +123,12 @@ DEFAULT_INSTALL_MASK="/usr/include /usr/man /usr/share/man /usr/share/doc \
/usr/share/pkgconfig /usr/share/gettext /usr/share/readline /etc/runlevels \
/usr/share/openrc /lib/rc *.a *.la /etc/init.d"
FACTORY_INSTALL_MASK="/opt/google/chrome /opt/google/o3d /opt/netscape \
/usr/lib/dri /usr/lib/python2.6/test /usr/share/chewing /usr/share/fonts \
/usr/share/ibus-pinyin /usr/share/libhangul /usr/share/locale \
/usr/share/m17n /usr/share/mime /usr/share/sounds /usr/share/tts \
/usr/share/X11 /usr/share/zoneinfo"
# Check to ensure not running old scripts
V_REVERSE=''
V_VIDOFF=''