fd6bb9f6a5
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
81 lines
2.0 KiB
Plaintext
81 lines
2.0 KiB
Plaintext
# Copyright (C) 2013 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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DOCS = ['//Documentation:html.zip']
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LIBS = [
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'//gerrit-common:version',
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'//gerrit-war:init',
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'//gerrit-war:log4j-config',
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'//lib:postgresql',
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'//lib/log:impl_log4j',
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]
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PGMLIBS = ['//gerrit-pgm:pgm']
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def scan_plugins():
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import os
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deps = []
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for n in os.listdir('plugins'):
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if os.path.exists(os.path.join('plugins', n, 'BUCK')):
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deps.append('//plugins/%s:%s__plugin__compile' % (n, n))
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return deps
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def war(
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name,
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libs = [],
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pgmlibs = [],
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context = [],
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visibility = []
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):
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cmd = ['${//tools:pack_war}', '-o', '$OUT']
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for l in libs:
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cmd.extend(['--lib', l])
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for l in pgmlibs:
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cmd.extend(['--pgmlib', l])
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src = []
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dep = []
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if context:
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root = get_base_path()
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if root:
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root = '/'.join(['..' for _ in root.split('/')]) + '/'
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for r in context:
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dep.append(r[:r.rindex('.')])
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if r.startswith('//'):
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r = root + r[2:]
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r = r.replace(':', '/')
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src.append(genfile(r))
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cmd.append('$SRCS')
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genrule(
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name = name,
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cmd = ' '.join(cmd),
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srcs = src,
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deps = libs + pgmlibs + dep + ['//tools:pack_war'],
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out = name + '.war',
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visibility = visibility,
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)
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def gerrit_war(name, ui = 'ui_optdbg', context = []):
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war(
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name = name,
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libs = LIBS,
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pgmlibs = PGMLIBS,
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context = [
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'//gerrit-main:main_bin.jar',
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'//gerrit-war:webapp_assets.zip',
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'//gerrit-gwtexpui:clippy_swf.zip',
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'//gerrit-gwtui:' + ui + '.zip',
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] + context,
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)
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