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sbt, the interactive build tool
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Ethan Atkins a06f5435c6 Use layered ClassLoaders in run and test tasks 
Using the data structures that I added in the previous commits, it is
now possible to rework the run and test task to use (configurable)
layered class loaders. The layering strategy is globally set to
LayeringStrategy.Default. The default strategy leads to what is
effectively a three layered ClassLoader for the both the test and run
tasks. The first layer contains the scala instance (and test framework
loader in the test task). The second layer contains all of the
dependencies for the configuration while the third layer contains the
project artifacts.

The layering strategy is very easily changed both at the Global or
Configuration level, e.g. adding
Test / layeringStrategy := LayeringStrategy.Flat
to the project build.sbt will make the test task not even use the scala
instance and instead a create a single layer containing the full
classpath of the test task.

I also tried to ensure that all of the ClassLoaders have good toString
overrides so that it's easy to see how the ClassLoader is constructed
with, e.g. `show testLoader`, in the sbt console.

In this commit, the ClassLoaderCache instances are settings. In the next
commit, I make them tasks so that we can easily clear out the caches
with a command.
 		2019-01-30 08:55:22 -08:00
.github Fix CONTRIBUTING and link to it 2018-09-04 23:25:42 -04:00
core-macros/src/main/scala/sbt/internal/util/appmacro Fix Def cannot be used inside a taskDyn #3110 2018-12-11 21:49:42 -08:00
internal more tweaking on task progress 2018-11-29 04:40:40 -05:00
launch Adds sbt.boot.lock sysprop to opt-out 2018-02-08 13:02:39 +00:00
licenses move remaining pieces of sbt subproject to sbt_pending and fix notices 2010-09-21 21:55:50 -04:00
main Use layered ClassLoaders in run and test tasks 2019-01-30 08:55:22 -08:00
main-actions/src Bump io to 1.3.0-M3 2018-10-08 13:59:34 -07:00
main-command/src Update TypedPath apis 2019-01-16 13:22:56 -08:00
main-settings/src Mention SAM conversions 2019-01-29 15:47:50 +00:00
notes Implement sequential[B](tasks: Seq[Initialize[Task[B]]]) and remove useless comment outs 2018-09-19 20:54:18 -04:00
project Zinc 1.3.0-M2, Util 1.3.0-M4 2019-01-29 18:15:40 -05:00
protocol/src/main [sbt-server] LSP completions support 2018-10-11 13:34:40 +01:00
run Use layered ClassLoaders in run and test tasks 2019-01-30 08:55:22 -08:00
sbt/src Cleanup scripted tests 2019-01-30 08:55:22 -08:00
scripted-plugin/src/main/scala/sbt -Xfatal-warnings in most subprojects 2018-09-18 11:47:55 -04:00
scripted-sbt-old/src/main/scala/sbt/test Update header 2018-09-14 04:53:36 -04:00
scripted-sbt-redux Ignore files in scripted group dirs 2018-11-27 18:17:38 -05:00
src/main/conscript 1.2.0 2018-07-30 00:56:36 -04:00
tasks Refactor ExecuteProgress type parameters 2018-10-02 08:24:17 -04:00
tasks-standard Update header 2018-09-14 04:53:36 -04:00
testing Use layered ClassLoaders in run and test tasks 2019-01-30 08:55:22 -08:00
vscode-sbt-scala Bump modules to address security vulnerability 2018-08-16 15:54:40 -04:00
.appveyor.yml improve Windows build 2018-02-07 18:16:21 -05:00
.gitattributes remove gittatributes, assume core.autocrlf=false 2018-06-26 17:38:05 +03:00
.gitignore adding a fatjar release (aka sbt-big) to the build 2018-11-07 08:37:49 +00:00
.java-version Configure JVM 1.8 in .java-version 2016-10-07 08:48:23 -05:00
.sbtopts Use .sbtopts to increase the RAM 2018-06-25 19:40:15 -04:00
.scalafmt.conf Improve code clarity with danglingParentheses = true 2018-04-24 16:09:49 +01:00
.travis.yml test everything on JDK11 2019-01-03 22:32:32 -05:00
CONTRIBUTING.md fix branch name in CONTRIBUTING 2018-09-10 16:18:40 +02:00
LICENSE Apache License 2.0 2018-09-14 03:38:58 -04:00
NOTICE Apache License 2.0 2018-09-14 03:38:58 -04:00
PROFILING.md fix typo 2018-07-08 22:18:57 +09:00
README.md update README. s/1.0.x/1.x/ 2018-02-13 10:00:50 +09:00
SUPPORT.md Split support into SUPPORT.md 2018-04-25 14:55:09 +01:00
build.sbt add Mima exclusion 2019-01-04 09:55:28 -05:00
reset.sh 1.0.3-SNAPSHOT 2017-09-16 15:52:58 -04:00
sbt-allsources.sh Bump underlying modules to latest 2017-03-23 12:41:24 -04:00
server.md setting query is "sbt/setting" 2017-10-03 01:45:06 -04:00

README.md

Gitter Chat

sbt

sbt is a build tool for Scala, Java, and more.

For general documentation, see http://www.scala-sbt.org/.

sbt 1.x

This is the 1.x series of sbt. The source code of sbt is split across several Github repositories, including this one.

  • sbt/io hosts sbt.io module.
  • sbt/util hosts a collection of internally used modules.
  • sbt/librarymanagement hosts sbt.librarymanagement module that wraps Ivy.
  • sbt/zinc hosts Zinc, an incremental compiler for Scala.
  • sbt/sbt, this repository hosts modules that implements the build tool.

Other links

  • Setup: Describes getting started with the latest binary release.
  • FAQ: Explains how to get help and more.
  • sbt/sbt-zero-seven: hosts sbt 0.7.7 and earlier versions

Issues and Pull Requests

Please read CONTRIBUTING carefully before opening a GitHub Issue.

The short version: try searching or asking on StackOverflow.

license

See LICENSE.