enso/project/LibraryManifestGenerator.scala
2021-11-23 11:51:17 +03:00

77 lines
2.3 KiB
Scala

import sbt._
import sbt.util.CacheStoreFactory
/** A helper for generating manifests for bundled libraries. */
object LibraryManifestGenerator {
/** Represents a library that will be bundled with the engine and needs to
* have its manifest generated.
*/
case class BundledLibrary(name: String, version: String)
/** Generates manifests for the provided libraries.
*
* It assumes that the engine-runner/assembly task is up to date (as it uses
* its artifacts).
*/
def generateManifests(
libraries: Seq[BundledLibrary],
distributionRoot: File,
log: Logger,
cacheStoreFactory: CacheStoreFactory
): Unit =
for (BundledLibrary(qualifiedName, version) <- libraries) {
val (namespace, name) = qualifiedName.split('.') match {
case Array(namespace, name) => (namespace, name)
case _ =>
throw new IllegalArgumentException(
s"Invalid library name [$qualifiedName]."
)
}
val projectPath =
distributionRoot / "lib" / namespace / name / version
val store =
cacheStoreFactory.make(s"library-manifest-$namespace-$name-$version")
val sources = (projectPath / "src" allPaths).get
Tracked.diffInputs(store, FileInfo.hash)(sources.toSet) { diff =>
def manifestExists = (projectPath / "manifest.yaml").exists()
if (diff.modified.nonEmpty || !manifestExists) {
log.info(s"Regenerating manifest for [$projectPath].")
runGenerator(projectPath, log)
} else {
log.debug(s"[$projectPath] manifest is up to date.")
}
}
}
private def runGenerator(projectPath: File, log: Logger): Unit = {
val javaCommand =
ProcessHandle.current().info().command().asScala.getOrElse("java")
val command = Seq(
javaCommand,
s"-Dtruffle.class.path.append=runtime.jar",
"-jar",
"runner.jar",
"--update-manifest",
"--in-project",
projectPath.getCanonicalPath
)
log.debug(s"Running [$command].")
val exitCode = sys.process
.Process(
command,
None,
"ENSO_EDITION_PATH" -> file("distribution/editions").getCanonicalPath
)
.!
if (exitCode != 0) {
val message = s"Command [$command] has failed with code $exitCode."
log.error(message)
throw new RuntimeException(message)
}
}
}