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sbt, the interactive build tool
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Ethan Atkins af16d33700 Add per file stream locks 
We have seen failures in scripted to create the output file for streams
and it has also been reported in https://github.com/sbt/sbt/issues/5067.
I believe this may caused by the same stream output being initialized by
multiple tasks. To fix this, I add locking on a per-file basis. There
was (and is) additional synchronization on the Streams _instance_, but
the per-file locks are stored in the Streams companion object so the
locking should be honored no matter which Streams instance calls make.

I also skip the call to IO.touch if the file already exists. I believe
that this is the common case and since IO.touch was being called with
setModified = false, it should be fine to skip the touch when the file
exists.

Prior to this change, I was able to induce the issue in #5067 in roughly
1/50 of calls to `scripted actions/cross-multiproject`. I wasn't able to
reproduce after this change.
 		2019-09-14 15:22:05 -07:00
.github/ISSUE_TEMPLATE Auto-label bug reports & delete old issue template 2019-06-04 08:01:18 +01:00
core-macros/src/main/scala/sbt/internal/util/appmacro avoid deprecated /: and :\ 2019-08-30 11:20:53 +09:00
internal Scala 2.12.10 2019-09-11 23:02:50 -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 Scala 2.12.10 2019-09-11 23:02:50 -04:00
main-actions/src 1.3.0 2019-09-05 10:15:41 -07:00
main-command/src Update deprecation warnings for api changes 2019-09-06 12:10:59 -07:00
main-settings/src Add test case and scaladoc 2019-08-19 11:49:09 -07:00
notes Set swoval.tmpdir with absolute path via globalBasePath (#5048) 2019-09-09 14:13:34 -04:00
project Scala 2.12.10 2019-09-11 23:02:50 -04:00
protocol/src/main apply formatting 2019-04-20 03:23:54 -04:00
run quote run argument if it contains a whitespace 2019-06-24 19:32:55 -04:00
sbt/src Scala 2.12.10 2019-09-11 23:02:50 -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 Store compile file stamps for each scala version 2019-08-26 14:47:57 -07:00
src/main/conscript sbt 1.3.0 2019-09-04 01:24:08 -04:00
tasks avoid deprecated /: and :\ 2019-08-30 11:20:53 +09:00
tasks-standard Add per file stream locks 2019-09-14 15:22:05 -07:00
testing 1.3.0 2019-09-05 10:15:41 -07:00
vscode-sbt-scala fix typo 2019-06-06 08:05:16 +03:00
zinc-lm-integration/src Add new ClassLoaderCache implementation 2019-05-28 09:53:35 -07:00
.appveyor.yml Add coursier cache to CI 2019-08-01 11:57:29 -07:00
.gitattributes remove gittatributes, assume core.autocrlf=false 2018-06-26 17:38:05 +03:00
.gitignore add .idea to .gitignore 2019-08-16 00:57:05 +03:00
.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
.sbtopts Use .sbtopts to increase the RAM 2018-06-25 19:40:15 -04:00
.scalafmt.conf Bump scalafmt 2019-07-18 12:40:21 -07:00
.travis.yml Add coursier cache to CI 2019-08-01 11:57:29 -07:00
CONTRIBUTING.md Split some of the developing related docs to DEVELOPING.md 2019-07-15 12:39:41 -04:00
DEVELOPING.md Minor clarification of logging message 2019-07-19 06:01:15 -05:00
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 fix typo 2019-06-06 08:05:16 +03:00
SUPPORT.md Split support into SUPPORT.md 2018-04-25 14:55:09 +01:00
build.sbt Bump sbt version 2019-09-05 11:46:23 -07:00
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 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.