Add initial auto-roll script.

Add initial auto-roll script.

To be called with a cron job.

TEST=tools/push-to-trunk/auto_roll.py

TODO: Add a revision filter to allow "MIPS" related changes to take over the lkgr.

R=jkummerow@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=17833

[Michael Achenbach, 2013-11-12 15:37:05]

PTAL

[Jakob Kummerow, 2013-11-18 13:27:08]

LGTM with comments.

https://codereview.chromium.org/70373002/diff/1/tools/push-to-trunk/auto_roll.py
File tools/push-to-trunk/auto_roll.py (right):

https://codereview.chromium.org/70373002/diff/1/tools/push-to-trunk/auto_roll...
tools/push-to-trunk/auto_roll.py:56: log = self.Git("svn log -1
--oneline").strip()
"git svn log" is a local operation. You'll want to do "git svn fetch" first.

https://codereview.chromium.org/70373002/diff/1/tools/push-to-trunk/auto_roll...
tools/push-to-trunk/auto_roll.py:90: print "ToT (r%d) is clean. Pusing to
trunk." % latest
nit: "Pushing"

[Michael Achenbach, 2013-11-18 13:39:09]

https://codereview.chromium.org/70373002/diff/1/tools/push-to-trunk/auto_roll.py
File tools/push-to-trunk/auto_roll.py (right):

https://codereview.chromium.org/70373002/diff/1/tools/push-to-trunk/auto_roll...
tools/push-to-trunk/auto_roll.py:56: log = self.Git("svn log -1
--oneline").strip()
On 2013/11/18 13:27:08, Jakob wrote:
> "git svn log" is a local operation. You'll want to do "git svn fetch" first.

This is done in CommonPrepare just like in the push-to-trunk script.

https://codereview.chromium.org/70373002/diff/1/tools/push-to-trunk/auto_roll...
tools/push-to-trunk/auto_roll.py:90: print "ToT (r%d) is clean. Pusing to
trunk." % latest
On 2013/11/18 13:27:08, Jakob wrote:
> nit: "Pushing"

Done.

[Michael Achenbach, 2013-11-18 14:10:56]

Committed patchset #2 manually as r17833 (presubmit successful).