Add jessie support to install-build-deps.sh

Add jessie support to install-build-deps.sh

This CL
- Enables jessie support in install-build-deps.sh
- Adds a note in linux_build_instructions.md about adding the
  'contrib' component in sources.list.
- Fixes a bug in package_exists where if a ppa is added, a package is
  installed from it, and then the ppa is removed, and the package is
  removed but not purged, package_exists would still return true for
  the package.

R=dpranke@chromium.org

Committed: https://crrev.com/b4a2bcaef478f19b5a244d5102b412dea5372ecd
Cr-Commit-Position: refs/heads/master@{#437198}

[Tom (Use chromium acct), 2016-12-07 23:25:02]

This is the 3rd and final CL to get jessie support in install-build-deps.sh

[Tom (Use chromium acct), 2016-12-07 23:25:06]

The CQ bit was checked by thomasanderson@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-12-07 23:25:37]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Dirk Pranke, 2016-12-07 23:43:23]

lgtm w/ comments addressed.

https://codereview.chromium.org/2556133003/diff/1/build/install-build-deps.sh
File build/install-build-deps.sh (right):

https://codereview.chromium.org/2556133003/diff/1/build/install-build-deps.sh...
build/install-build-deps.sh:114:
ubuntu_codenames="(precise|trusty|utopic|vivid|wily|xenial|jessie)"
since jessie is a debian thing, not a ubuntu thing, maybe we should rename
ubuntu_codenames to something like "supported_releases" ?

Also, update the error message on line 119.

[commit-bot: I haz the power, 2016-12-07 23:48:41]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-12-07 23:48:42]

Dry run: This issue passed the CQ dry run.

[Tom (Use chromium acct), 2016-12-07 23:50:07]

On 2016/12/07 23:43:23, Dirk Pranke wrote:
> lgtm w/ comments addressed.
> 

Thanks.  Can you also review the dependent CL?

[Tom (Use chromium acct), 2016-12-08 01:31:12]

The CQ bit was checked by thomasanderson@google.com to run a CQ dry run

[Tom (Use chromium acct), 2016-12-08 01:31:17]

https://codereview.chromium.org/2556133003/diff/1/build/install-build-deps.sh
File build/install-build-deps.sh (right):

https://codereview.chromium.org/2556133003/diff/1/build/install-build-deps.sh...
build/install-build-deps.sh:114:
ubuntu_codenames="(precise|trusty|utopic|vivid|wily|xenial|jessie)"
On 2016/12/07 23:43:23, Dirk Pranke wrote:
> since jessie is a debian thing, not a ubuntu thing, maybe we should rename
> ubuntu_codenames to something like "supported_releases" ?
> 
> Also, update the error message on line 119.

Done.

[commit-bot: I haz the power, 2016-12-08 01:32:36]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-08 01:49:01]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-12-08 01:49:02]

Dry run: This issue passed the CQ dry run.

[Tom (Use chromium acct), 2016-12-08 06:41:20]

The CQ bit was checked by thomasanderson@google.com

[Tom (Use chromium acct), 2016-12-08 06:41:21]

The patchset sent to the CQ was uploaded after l-g-t-m from dpranke@chromium.org
Link to the patchset: https://codereview.chromium.org/2556133003/#ps20001
(title: "Rename, update error message")

[commit-bot: I haz the power, 2016-12-08 06:41:34]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-08 06:46:08]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1481179280743120,
"parent_rev": "fd898075e63cc6e4a4c44055034628782c9794d6", "commit_rev":
"60baebd06307cf80382aad6db0aeb59c4029b189"}

[commit-bot: I haz the power, 2016-12-08 06:46:32]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-12-08 06:48:10]

Description was changed from

==========
Add jessie support to install-build-deps.sh

This CL
- Enables jessie support in install-build-deps.sh
- Adds a note in linux_build_instructions.md about adding the
  'contrib' component in sources.list.
- Fixes a bug in package_exists where if a ppa is added, a package is
  installed from it, and then the ppa is removed, and the package is
  removed but not purged, package_exists would still return true for
  the package.

R=dpranke@chromium.org
==========

to

==========
Add jessie support to install-build-deps.sh

This CL
- Enables jessie support in install-build-deps.sh
- Adds a note in linux_build_instructions.md about adding the
  'contrib' component in sources.list.
- Fixes a bug in package_exists where if a ppa is added, a package is
  installed from it, and then the ppa is removed, and the package is
  removed but not purged, package_exists would still return true for
  the package.

R=dpranke@chromium.org

Committed: https://crrev.com/b4a2bcaef478f19b5a244d5102b412dea5372ecd
Cr-Commit-Position: refs/heads/master@{#437198}
==========

[commit-bot: I haz the power, 2016-12-08 06:48:11]

Patchset 2 (id:??) landed as
https://crrev.com/b4a2bcaef478f19b5a244d5102b412dea5372ecd
Cr-Commit-Position: refs/heads/master@{#437198}