sbt, past and future / sbt, 傾向と対策

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

sbt, past and future
eugene yokota (@eed3si9n, @eed3si9n_ja)
sbt、傾向と対策

demo

sbt
•interactive build tool
–build definition (build.sbt)
–sbt shell
インタラクティブなビルドツール
ビルド定義とシェルから構成される

build
•sets of projects
ビルド: プロジェクトの集合

project
•configuration
•settings
•(scalaVersion)
プロジェクト: コンフィグレーションとセッティングと (scalaVersion)

settings
•transformation of key-value map
セッティングは key-value マップの変換
key
value
name
helloWorld
version
0.1.0-SNAPSHO...

settings
•transformation of key-value map
key := {
val x = otherKey.value
x + 1
}
key += { ... }
key ++= Seq(...)
...

scoped keys
•entry point for sbt shell
•Attributes:
–key name
–key type
–project (default "This")
–configuration (de...

scoped keys
•entry point for sbt shell
{url}proj-id/config:inTask::keyName
keyName in (proj, Compile, inTask) := { ... ...

when "This" is used
•shell will default to "This"
•default delegation rule
–project: x, ThisBuild, then Global
–config...

configuration
•sets of source and library dependencies
–Compile
–Test
–etc.
コンフィギュレーションはソースとライブラリ依存性の集合

library dependencies
•managed dependencies via Ivy
def specs2Version = "2.4.2"
def specs2 = "org.specs2" %% "specs2" % ...

incremental compiler
•compile
compile と打ち込めばインクリメンタルコンパイルされる

sbt 1.0 technology previews
•adding features to 0.13.x without breaking binary compatibility
sbt 1.0 は出したいけど、API が固定化する前...

0.13.5/6: Auto plugins
•default features as auto plugins
•manages plugin dependencies
–triggered plugins (e.g. coffeesc...

0.13.6: HTTPS by default
•Maven Central
•Typesafe repositories
•sbt plugin repository
HTTPS がデフォルト

0.13.6: Consolidated resolution
•resolution performance improvement sponsored by LinkedIn
•consolidates sub-project depe...

0.13.6: Eviction warning
•eviction
–when multiple versions are found on resolved dependencies tree, sbt selects the late...

0.13.6: Unresolved Exception
•guesses dependencies tree of unresolved dependencies
[warn] Note: Unresolved dependencies ...

0.13.6: –SNAPSHOT handling
•checks all resolvers for the latest (This could slow things down)
•sbt used to pick the firs...

0.13.x: sbt server
•better integration with IDE, vim/emacs/sublime, Jenkins, Activator, etc
•many possibilities (remote ...

0.13.x: more performance updates
•cablecar: Ivy "rewrite" prototype in Scala
–https://github.com/sbt/sbt/tree/wip/cablec...

thanks!

Share Slideshare

LinkedIn
Facebook
Twitter

Embed

Size (px)

Show related Slideshows at end

WordPress Shortcode

Link

Share
Email

Building a Unified Data Pipline in ... by scalaconfjp 3740 views
Scarab: SAT-based Constraint Progra... by scalaconfjp 3365 views
Solid And Sustainable Development i... by Kazuhiro Sera 10388 views
Introduction to Spark SQL and Catal... by scalaconfjp 2481 views
Xitrum Web Framework Live Coding De... by scalaconfjp 2860 views
The Evolution of Scala / Scala進化論 by scalaconfjp 5214 views

View on Slideshare

1 of 23 Ad

View on Slideshare

1 of 23 Ad