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[SPARK-35180][BUILD] Allow to build SparkR with SBT #32285

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sarutak wants to merge 4 commits into from
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[SPARK-35180][BUILD] Allow to build SparkR with SBT #32285

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77a8d45
Add SparkR build support for SBT.
sarutak Apr 22, 2021
08c0223
Update README.
sarutak Apr 22, 2021
445050b
http -> https
sarutak Apr 22, 2021
1f9d827
Change the order between compile and building SparkR.
sarutak Apr 22, 2021
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6 changes: 5 additions & 1 deletion R/README.md
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Expand Up @@ -17,10 +17,14 @@ export R_HOME=/home/username/R

#### Build Spark

Build Spark with [Maven](https://spark.apache.org/docs/latest/building-spark.html#buildmvn) and include the `-Psparkr` profile to build the R package. For example to use the default Hadoop versions you can run
Build Spark with [Maven](https://spark.apache.org/docs/latest/building-spark.html#buildmvn) or [SBT](https://spark.apache.org/docs/latest/building-spark.html#building-with-sbt), and include the `-Psparkr` profile to build the R package. For example to use the default Hadoop versions you can run

```bash
# Maven
./build/mvn -DskipTests -Psparkr package

# SBT
./build/sbt -Psparkr package
```

#### Running sparkR
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23 changes: 23 additions & 0 deletions project/SparkBuild.scala
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Expand Up @@ -414,6 +414,10 @@ object SparkBuild extends PomBuild {

enable(YARN.settings)(yarn)

if (profiles.contains("sparkr")) {
enable(SparkR.settings)(core)
}

/**
* Adds the ability to run the spark shell directly from SBT without building an assembly
* jar.
Expand Down Expand Up @@ -888,6 +892,25 @@ object PySparkAssembly {

}

object SparkR {
import scala.sys.process.Process

val buildRPackage = taskKey[Unit]("Build the R package")
lazy val settings = Seq(
buildRPackage := {
val command = baseDirectory.value / ".." / "R" / "install-dev.sh"
Process(command.toString).!!
},
(Compile / compile) := (Def.taskDyn {
val c = (Compile / compile).value
Def.task {
(Compile / buildRPackage).value
c
}
}).value
)
}

object Unidoc {

import BuildCommons._
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