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vrana 7affae9345 Detect copied code by own algorithm
Summary:
Required for D2321.
Deprecates D2320.
Uses algorithm described at D2320#16.

Complexity of this algorithm would be `O(N)` (`N` stands for number of lines) in most cases.
The worst case is `O(A*F)` (`A` stands for number of added lines, `F` for number of colliding lines) but it should be pretty rare. Real-world example is 100 modified files with moved license block (15 lines) in each. This will require 1500*100 comparisons because the algorithm will be trying to find the longest block in each file.

Test Plan:
`arc diff --only` on commit with copied code.
More tests on standalone algorithm.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Koolvin

Differential Revision: https://secure.phabricator.com/D2333
2012-04-28 21:39:31 -07:00
bin Improve CLI script for account creation and document account/reg setup process 2011-05-12 18:44:53 -07:00
conf Use a disk-based default avatar, not a database-based one 2012-04-27 17:44:10 -07:00
externals Support IE8 2012-04-17 11:01:30 -07:00
resources Allow CC's/Auditors added to audits 2012-04-23 13:50:25 -07:00
scripts Use "closed", not "committed", in Differential 2012-04-23 17:40:57 -07:00
src Detect copied code by own algorithm 2012-04-28 21:39:31 -07:00
support/aphlict Make Aphlict client somewhat more approachable 2012-03-06 20:14:03 -08:00
webroot Add "jump to table of content" keyboard shortcut 2012-04-28 18:05:08 -07:00
.arcconfig Add a custom lint name hook to Phabricator 2011-08-31 13:49:30 -07:00
.divinerconfig Fix line links to source codes of generated documentation 2012-04-10 11:31:52 -07:00
.gitignore Fix whitespace 2012-04-06 01:00:32 -07:00
.gitmodules Just change the location. 2011-05-28 15:14:54 -07:00
README Add a roadmap document and update the README. 2011-06-29 09:38:03 -07:00

Phabricator is a open source collection of web applications which make it easier
to write, review, and share source code. Phabricator was developed at Facebook.

This is an early release. It's pretty high-quality and usable, but under
active development so things may change quickly.

You can learn more about the project and find links to documentation and
resources at: http://phabricator.org/

LICENSE

Phabricator is released under the Apache 2.0 license except as otherwise noted.
http://www.apache.org/licenses/LICENSE-2.0