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sbt, the interactive build tool
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Ethan Atkins 05407cea55 Close file tree repository registrations 
Upon successful registration with a FileTreeRepository, an Observable is
returned by the FileTreeRepository that can be used to observer the
specific globs that were registered. The FileTreeRepository also has a
global Observable that can be used to monitor _all_ events. In order to
implement this feature, internally the FileTreeRepository needs to hold
a reference to the registered Observable so that it forwards relevant
file change events. If we do not close the Observable, it leaks memory
inside of FileTreeRepository. There were a number of places within sbt
where we registered globs and did nothing with the returned Observable.
It was thus straightforward to fix the leak by just closing the returned
Observables.

This came up because I was looking at a heap dump of
https://github.com/jtjeferreira/sbt-multi-module-sample after running
1000 no-op compiles and noticed that the FileTreeRepository.observables
were taking up 75MB out of a total heap of about 300MB.

As a side note, it would be nice if sbt had a warning for unused return
values when a statement is not the last in a block. It's possible that
these leaks wouldn't have happened if we were forced to handle the
returned Observables.
 		2020-08-07 10:50:22 -07:00
.github/ISSUE_TEMPLATE Update issue template 2020-02-03 14:28:20 -05:00
client Upgrade LineReader to JLine3 2020-07-10 13:37:53 -07:00
core-macros/src/main/scala/sbt/internal/util/appmacro Document parts of AList & components of TupleSyntax 2020-02-17 07:15:37 +00:00
internal Merge pull request #5719 from eatkins/jline3-completions 2020-08-04 22:18:51 -04:00
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 Close file tree repository registrations 2020-08-07 10:50:22 -07:00
main-actions/src Build pipelining 2020-08-06 02:31:01 -04:00
main-command/src Merge pull request #5677 from adpi2/fix/exit-bsp-client 2020-07-27 12:55:31 -04:00
main-settings/src Build pipelining 2020-08-06 02:31:01 -04:00
notes Merge pull request #5041 from jsoref/https 2020-06-14 17:34:58 -04:00
project Build pipelining 2020-08-06 02:31:01 -04:00
protocol/src/main Support System.err in thin client 2020-07-21 13:27:32 -07:00
run Add loop to SelectMainClass 2020-07-10 13:37:54 -07:00
sbt/src Build pipelining 2020-08-06 02:31:01 -04:00
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 Stop instrumenting scripted 2020-07-31 18:56:04 -07:00
server-test/src Build pipelining 2020-08-06 02:31:01 -04:00
src/main/conscript sbt 1.3.0 2019-09-04 01:24:08 -04:00
tasks Name threads in completion service 2020-06-22 13:14:55 -07:00
tasks-standard Selective functor 2020-05-17 23:36:04 -04:00
testing Contraband 0.4.6 2020-04-24 17:44:15 -04:00
util-cache Don't use last modified time of directories in doc 2020-01-13 13:11:09 -08:00
util-tracking update scaladoc to reflect argument type of the overload 2020-04-24 16:54:48 +02:00
vscode-sbt-scala https://www.apple.com 2019-09-05 14:11:07 -04:00
zinc-lm-integration/src integrate with VirtualFile changes 2020-04-24 17:44:14 -04:00
.appveyor.yml Disable server tests on windows ci 2020-08-05 18:14:11 -07:00
.gitattributes Contraband 0.4.6 2020-04-24 17:44:15 -04:00
.gitignore Update .gitignore for metals support 2020-05-16 09:52:20 +02:00
.java-version Configure JVM 1.8 in .java-version 2016-10-07 08:48:23 -05:00
.mailmap Add mailmap 2019-06-11 09:30:14 +02:00
.scalafmt.conf Set `lineEndings = preserve` in .scalafmt.conf 2020-06-29 08:15:24 -07:00
.travis.yml Check server test project scalafmt on travis 2020-08-05 18:14:11 -07:00
CONTRIBUTING.md https://www.scala-sbt.org 2019-09-05 14:11:13 -04:00
DEVELOPING.md Merge pull request #5041 from jsoref/https 2020-06-14 17:34:58 -04:00
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 Merge pull request #5041 from jsoref/https 2020-06-14 17:34:58 -04:00
SUPPORT.md Split support into SUPPORT.md 2018-04-25 14:55:09 +01:00
build.sbt Build pipelining 2020-08-06 02:31:01 -04:00
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

Build Status Latest version Gitter Chat

sbt

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

For general documentation, see https://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/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.