Missing check during mkdir causes failure with -e empty.
The tree broke prior to this commit, but this will break the dev
build so bypassing hooks. sorry.
TEST=reran build_image
BUG=none
TBR=adlr
Adds support for mounting the esp image.
In the future, all legacy boot loaders will live on
the ESP partition (#12) to avoid modifying the rootfs
partition with bootloader changes in the configuration or
preamble. This is needed.
TEST=manually reran mount_gpt_image.sh users.
BUG=chromium-os:327
Review URL: http://codereview.chromium.org/2811042
TEST=Tested with building a new image, looking in the output directory, running
the image and running vi.
Review URL: http://codereview.chromium.org/2075019
TEST=Tested build process. Tested dev image, test image and base image by booting all three and logging in.
Review URL: http://codereview.chromium.org/2106009
In addition unifies changes in mount_gpt_image and one-offs in mod_image_for_test
to consolidate gpt / var mounting.
Review URL: http://codereview.chromium.org/2064001
