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Better handling of fuse in chroot

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Review URL: http://codereview.chromium.org/1582011
This commit is contained in:
Chris Sosa 2010-04-05 15:45:28 -07:00
parent 9f90710f3b
commit 317d8eb3fd
1 changed files with 9 additions and 24 deletions
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33
enter_chroot.sh
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@ -65,7 +65,6 @@ set -e
INNER_CHROME_ROOT="/home/$USER/chrome_root" # inside chroot
CHROME_ROOT_CONFIG="/var/cache/chrome_root" # inside chroot
INNER_DEPOT_TOOLS_ROOT="/home/$USER/depot_tools" # inside chroot
KERNEL_MODULES_ROOT="/lib/modules/$( uname -r )" # inside and outside chroot
FUSE_DEVICE="/dev/fuse"
sudo chmod 0777 "$FLAGS_chroot/var/lock"
@ -141,34 +140,20 @@ function setup_env {
echo "This may impact chromium build."
fi
fi
fi
fi
# Mount fuse device from host machine into chroot and copy over
# corresponding kernel modules.
MOUNTED_PATH="$(readlink -f "${FLAGS_chroot}${FUSE_DEVICE}")"
if [ -z "$(mount | grep -F "on ${MOUNTED_PATH} ")" ] && \
[ -c "${FUSE_DEVICE}" ] ; then
if [ -c "${FUSE_DEVICE}" ] ; then
echo "Mounting fuse device"
sudo touch "${MOUNTED_PATH}"
sudo mount --bind "${FUSE_DEVICE}" "${MOUNTED_PATH}"
INNER_MOD_PATH="$(readlink -f "${FLAGS_chroot}${KERNEL_MODULES_ROOT}")"
if [ ! -f "${INNER_MOD_PATH}/modules.dep" ] ; then
sudo mkdir -p "${INNER_MOD_PATH}/kernel/fs/fuse"
sudo cp -fu "${KERNEL_MODULES_ROOT}/modules.dep" "${INNER_MOD_PATH}"
if [ -f "${KERNEL_MODULES_ROOT}/kernel/fs/fuse/fuse.ko" ] ; then
sudo cp -fu "${KERNEL_MODULES_ROOT}/kernel/fs/fuse/fuse.ko" \
"${INNER_MOD_PATH}/kernel/fs/fuse"
else
echo "Warning: Fuse device found but no modules for running kernel"
echo "gmergefs will not work"
fi
fi
else
echo "Warning: Fuse device not found. gmergefs will not work"
fi
fi
echo "Attempting to mount fuse device for gmergefs"
sudo touch "${MOUNTED_PATH}"
sudo mount --bind "${FUSE_DEVICE}" "${MOUNTED_PATH}"
sudo modprobe fuse 2> /dev/null ||\
echo "-- Note: modprobe fuse failed. gmergefs will not work"
fi
) 200>>"$LOCKFILE" || die "setup_env failed"
}