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sbt, the interactive build tool
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Ethan Atkins ef08290ecc Add ClassLoaderCache 
In order to speed up the start up time of the test and run tasks, I'm
introducing a ClassLoaderCache that can be used to avoid reloading the
classes in the project dependencies (which includes the scala library).
I made the api as minimal as possible so that we can iterate on the
implementation without breaking binary compatibility. This feature will
be gated on a feature flag, so I'm not concerned with the cache class
loaders being useable in every user configuration. Over time, I hope
that the CachedClassLoaders will be a drop in replacement for the
existing one-off class loaders*.

The LayeredClassLoader was adapted from the NativeCopyLoader. The main
difference is that the NativeCopyLoader extracts named shared libraries
into the task temp directory to ensure that the ephemeral libraries are
deleted after each task run. This is a problem if we are caching the
ClassLoader so for LayeredClassLoader I track the native libraries that
are extracted by the loader and I delete them either when the loader is
explicitly closed or in a shutdown hook.

* This of course means that we both must layer the class loaders
appropriately so that the project code is in a layer above the cached
loaders and we must correctly invalidate the cache when the project, or
its dependencies are updated.
 		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 Add ClassLoaderCache 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 Bump io to 1.3.0-M3 2018-10-08 13:59:34 -07:00
sbt/src Diable these tests 2019-01-30 01:43:28 -05:00
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 Bump io to 1.3.0-M3 2018-10-08 13:59:34 -07:00
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.