chromium-overlay: Add sys-apps/pv (pipeline viewer) to dev tools

chromium-overlay: Add sys-apps/pv (pipeline viewer) to dev tools

pv can provide good progress report when we're dumping to USB.
ref: http://codereview.chromium.org/3581007

BUG=none
TEST=1. execute src/scripts/build_packages and check pv is emerged into host environment PATH.
2. created a new chroot and checked pv exists in PATH.

Change-Id: I0c92901708829edaa45bb6d704ed61288d4b8c1e

[Kenneth Waters, 2010-10-01 17:20:53]

+anush to make sure hard-host-depenends is reved correctly.

Add "chromium-overlay:" or some other package description to the front of the
first line.  Add TEST= something, you might want to replace your chroot for
example.

[Hung-Te, 2010-10-05 10:03:08]

Hi anush, do you think it's OK to add pv to host depends? We can then add more
verbose progress to the scripts and tools.

[anush, 2010-10-05 17:13:59]

LGTM. 
Just send out a PSA saying if you run "image_to_usb" you just run "repo sync"
and ./build_packages once to pull in "pv". Some folks update only parts of their
repositories and may not get "pv" especially once you remove the if condition in
http://codereview.chromium.org/3581007 


On 2010/10/05 10:03:08, Hung-Te wrote:
> Hi anush, do you think it's OK to add pv to host depends? We can then add more
> verbose progress to the scripts and tools.

[kliegs, 2010-10-05 17:24:13]

Don't object to this CL, but wanted to make sure you don't remove the
conditional from the script. Adding to host depends only ensures scripts
inside the chroot have pv - it may not be available on the host outside the
chroot.

On Tue, Oct 5, 2010 at 1:13 PM, <anush@chromium.org> wrote:

> LGTM.
> Just send out a PSA saying if you run "image_to_usb" you just run "repo
> sync"
> and ./build_packages once to pull in "pv". Some folks update only parts of
> their
> repositories and may not get "pv" especially once you remove the if
> condition in
> http://codereview.chromium.org/3581007
>
>
>
> On 2010/10/05 10:03:08, Hung-Te wrote:
>
>> Hi anush, do you think it's OK to add pv to host depends? We can then add
>> more
>> verbose progress to the scripts and tools.
>>
>
>
>
> http://codereview.chromium.org/3608004/show
>

[Hung-Te, 2010-10-05 17:26:11]

No, we are not going to remove the "if" because some people may still want to
run image_to_usb outside the chroot. It's discussed and confirmed in 3581007.

[anush, 2010-10-05 20:53:32]

LGTM

On Tue, Oct 5, 2010 at 10:26 AM, <hungte@chromium.org> wrote:

> No, we are not going to remove the "if" because some people may still want
> to
> run image_to_usb outside the chroot. It's discussed and confirmed in
> 3581007.
>
>
> http://codereview.chromium.org/3608004/show
>