mirror of
https://github.com/enso-org/enso.git
synced 2024-12-23 00:52:09 +03:00
73 lines
3.3 KiB
Scala
73 lines
3.3 KiB
Scala
import sbt._
|
|
import sbt.Keys._
|
|
|
|
object SPIHelpers {
|
|
|
|
/** A helper task that ensures consistency of SPI services definitions.
|
|
*
|
|
* It should be attached as a dependency to `Compile / compile / compileInputs` of a given library.
|
|
*
|
|
* It detects any unknown classes in the `services` definitions and forces a recompilation if needed, to ensure the
|
|
* consistency of the definitions. Without this helper task, the incremental compiler did not detect removed service
|
|
* classes, thus after such a class was removed, it still stayed in the SPI configuration - crashing at runtime when
|
|
* the missing class was attempted to be instantiated. Only a `clean` allowed to regenerate the SPI configuration.
|
|
* This was causing issues on the CI when switching between PRs that have some new SPI configurations - they were
|
|
* leaking and crashing unrelated PRs.
|
|
*
|
|
* This task is created with the `std-*` Java helper libraries in mind and is aimed primarily at Java-only projects.
|
|
* Additional tweaks may be needed to get it working for mixed Java/Scala projects, if ever needed.
|
|
*
|
|
* @see https://github.com/enso-org/enso/pull/8129
|
|
*/
|
|
def ensureSPIConsistency = Def.task {
|
|
val log = streams.value.log
|
|
val classDir = (Compile / compile / classDirectory).value
|
|
val javaSourcesDir = (Compile / compile / javaSource).value
|
|
val serviceDir = classDir / "META-INF" / "services"
|
|
log.debug(s"Scanning $serviceDir for SPI definitions.")
|
|
|
|
val files: Array[File] =
|
|
if (serviceDir.exists()) IO.listFiles(serviceDir) else Array()
|
|
|
|
files.foreach { serviceConfig =>
|
|
log.debug(s"Processing service definitions: $serviceConfig")
|
|
val definedClasses =
|
|
IO.readLines(serviceConfig).map { qualifiedClassName =>
|
|
val subPath = qualifiedClassName.replace('.', '/')
|
|
val classFilePath = classDir / (subPath + ".class")
|
|
val sourceFilePath = javaSourcesDir / (subPath + ".java")
|
|
|
|
// We check existence of the source file - because at pre-compile the .class file may still be there even if the
|
|
// source is gone - it will only get deleted _after_ the compilation takes place - but that may be too late.
|
|
// However, we return the path to the class file - so that we will be able to delete it to trigger the
|
|
// recompilation for _existing_ sources.
|
|
val hasSource = sourceFilePath.exists()
|
|
|
|
if (!hasSource) {
|
|
log.debug(
|
|
s"The source file [$sourceFilePath] for class [$qualifiedClassName] does not exist."
|
|
)
|
|
}
|
|
|
|
(classFilePath, hasSource)
|
|
}
|
|
|
|
val (kept, removed) = definedClasses.partition(_._2)
|
|
val needsForceRecompile = removed.nonEmpty
|
|
if (needsForceRecompile) {
|
|
val removedNames = removed.map(_._1).map(_.getName)
|
|
val keptNames = kept.map(_._1).map(_.getName)
|
|
log.warn(s"No Java sources detected for classes: $removedNames.")
|
|
log.warn(
|
|
s"Removing $serviceConfig and forcing recompilation of $keptNames " +
|
|
s"to ensure that the SPI definition is up-to-date."
|
|
)
|
|
IO.delete(serviceConfig)
|
|
kept.foreach { case (path, _) => IO.delete(path) }
|
|
} else {
|
|
log.debug(s"No missing classes detected in $serviceConfig.")
|
|
}
|
|
}
|
|
}
|
|
}
|