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package cbt_internal
import cbt._
import java.io._
import scala.concurrent._
import scala.concurrent.duration._
trait Library extends PackageJars with Scalariform with GoogleJavaFormat with DynamicOverrides with AdvancedScala {
def groupId = "org.cvogt"
def inceptionYear: Int
def description: String
def version = "0.9-SNAPSHOT"
override def compile = {
googleJavaFormat()
scalariform()
super.compile
}
def publishIfChanged = newBuild[PublishIfChanged]({s"""
def inceptionYear = $inceptionYear
def description = ${description.quote}
def apply = if(changedInMaster) publish
"""})
}
trait PublishIfChanged extends PackageJars with DynamicOverrides with Shared{
override def url = super.url ++ "/libraries/" ++ name
def gitHash = {
val p = new ProcessBuilder(
"git rev-parse HEAD".split(" "): _*
)
.directory( projectDirectory )
.start
val sout = new InputStreamReader(p.getInputStream);
import scala.concurrent.ExecutionContext.Implicits.global
val out = Future(blocking(Iterator.continually(sout.read).takeWhile(_ != -1).map(_.toChar).mkString))
p.waitFor
val revision = Await.result( out, Duration.Inf ).trim
revision
}
override def version = "rev-"++gitHash
def changedInMaster = (
0 ===
new ProcessBuilder(
"git diff --exit-code --quiet master..master^ .".split(" "): _*
)
.directory( projectDirectory )
.start
.waitFor
)
}
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