cros_make_image_bootable: Do a final sanity check on the rootfs by running e2fsck

bin/cros_make_image_bootable

Index: bin/cros_make_image_bootable
diff --git a/bin/cros_make_image_bootable b/bin/cros_make_image_bootable
index 3517c85ec8cdbd38143b2784d3652815fd1977e2..e9333e7284d141ad4e0c006c0d7f8e4f55f9309a 100755
--- a/bin/cros_make_image_bootable
+++ b/bin/cros_make_image_bootable
@@ -250,6 +250,24 @@ make_image_bootable() {
     -s "${FLAGS_statefulfs_mountpoint}"
 }
 
+verify_image_rootfs() {
+  local image=$1
+  local rootfs_offset="$(partoffset ${image} 3)"
+  local rootfs_size="$(partsize ${image} 3)"
+
+  local rootfs_tmp_file=$(mktemp)
+  trap "rm $rootfs_tmp_file" EXIT

[sosa, 2010/11/24 18:16:15]

Use {} around var names to be consistent with rest of script

[gauravsh, 2010/11/24 19:40:18]

Done.

+  sudo dd if="$image" of="$rootfs_tmp_file" bs=512 skip="$rootfs_offset"
+
+  # This flips the read-inly compatibility flag, so that 

[sosa, 2010/11/24 18:16:15]

read-only*

[gauravsh, 2010/11/24 19:40:18]

Done.

+  # e2fsck does not complain about unknown file system capabilities.
+  enable_rw_mount $rootfs_tmp_file
+  info "Running e2fsck to check root file system for errors"
+  sudo e2fsck -fn "$rootfs_tmp_file" ||
+  die "Root file system has errors, please ensure boot.desc and/or \

[sosa, 2010/11/24 18:16:15]

Indent 2 here

[gauravsh, 2010/11/24 19:40:18]

Done.

+command line parameters are correct"
+}
+
 # Use default of current image location if the output dir doesn't exist.
 if [ ! -d ${FLAGS_output_dir} ]; then
   warn "Output dir not found, using ${IMAGE_DIR}."
@@ -266,6 +284,7 @@ mkdir -p ${FLAGS_statefulfs_mountpoint}
 mkdir -p ${FLAGS_espfs_mountpoint}
 
 make_image_bootable ${IMAGE}
+verify_image_rootfs ${IMAGE}
 
 if [ ${FLAGS_cleanup_dirs} -eq ${FLAGS_TRUE} ]; then
   rmdir ${FLAGS_rootfs_mountpoint}