gerrit/lib/LICENSE-clippy
Shawn Pearce fd6bb9f6a5 Build with Buck
Implement a new build system using Buck[1], Facebook's
open source clone of Google's internal build system.

  Pros:
  - Concise build language
  - Test and build output is concise
  - Test failures and stack traces show on terminal
  - Reliable incrementals; clean is unnecessary
  - Extensible with simple blocks of Python
  - Fast
      buck: clean: 0.452s, full 1m21.083s [*], no-op:  7.145s,
      mvn:  clean: 4.596s, full 2m53.776s,     no-op: 59.108s,

      [*] full build includes downloading all dependencies,
          time can vary due to remote server performance.

  Cons:
  - No Windows support
  - No native Maven Central support (added by macros)
  - No native GWT, Prolog, or WAR support (added by macros)
  - Bootstrap of buck requires Ant

Getting started:

  git clone https://gerrit.googlesource.com/buck
  cd buck
  ant

  Mac OS X:
    PATH="`pwd`/bin:/System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands:$PATH"

  Linux:
    PATH="`pwd`/bin:$PATH"

Importing into Eclipse:

  $ time buck build :eclipse
  0m48.949s

  Import existing project from `pwd`
  Import 'gerrit' (do not import other Maven based projects)
  Expand 'gerrit'
  Right click 'buck-out' > Properties
  Under Attributes check 'Derived'

  If the code doesn't currently compile but an updated classpath
  is needed, refresh the configs and obtain missing JARs:

  $ buck build :eclipse_project :download

Running JUnit tests:

  $ time buck test --all -e slow  # skip slow tests
  0m19.320s

  $ time buck test --all          # includes acceptance tests
  5m17.517s

Building WAR:

  $ buck build :gerrit
  $ java -jar buck-out/gen/gerrit.war

Building release:

  $ buck test --all && buck build :api :release
  $ java -jar buck-out/gen/release.war
  $ ls -lh buck-out/gen/{extension,plugin}-api.jar

Downloading dependencies:

  Dependencies are normally downloaded automatically, but Buck can
  inspect its graph and download missing dependencies so future
  compiles can run without the network:

  $ buck build :download

[1] http://facebook.github.io/buck/

Change-Id: I40853b108bd8e153cefa0896a5280a9a5ff81655
2013-05-09 13:40:36 +00:00

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Copyright (c) 2008 Tom Preston-Werner
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.