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Run native linker only if project was changed
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65 changes: 65 additions & 0 deletions
65
modules/cli/src/main/scala/scala/cli/internal/NativeBuilderHelper.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package scala.cli.internal | ||
|
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| import java.math.BigInteger | ||
| import java.security.MessageDigest | ||
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| import scala.build.Build | ||
| import scala.scalanative.{build => sn} | ||
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| case object NativeBuilderHelper { | ||
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| private def resolveProjectShaPath(nativeWorkDir: os.Path) = nativeWorkDir / ".project_sha" | ||
| private def resolveOutputShaPath(nativeWorkDir: os.Path) = nativeWorkDir / ".output_sha" | ||
|
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| private def fileSha(filePath: os.Path): String = { | ||
| val md = MessageDigest.getInstance("SHA-1") | ||
| md.update(os.read.bytes(filePath)) | ||
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| val digest = md.digest() | ||
| val calculatedSum = new BigInteger(1, digest) | ||
| String.format(s"%040x", calculatedSum) | ||
| } | ||
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| private def projectSha(build: Build.Successful, nativeConfig: sn.NativeConfig) = { | ||
| val md = MessageDigest.getInstance("SHA-1") | ||
| md.update(build.inputs.sourceHash().getBytes) | ||
| md.update(nativeConfig.toString.getBytes) | ||
| md.update(build.options.hash.getOrElse("").getBytes) | ||
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| val digest = md.digest() | ||
| val calculatedSum = new BigInteger(1, digest) | ||
| String.format(s"%040x", calculatedSum) | ||
| } | ||
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| def updateOutputSha(dest: os.Path, nativeWorkDir: os.Path) = { | ||
| val outputShaPath = resolveOutputShaPath(nativeWorkDir) | ||
| val sha = fileSha(dest) | ||
| os.write.over(outputShaPath, sha) | ||
| } | ||
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| def buildIfChanged( | ||
| build: Build.Successful, | ||
| nativeConfig: sn.NativeConfig, | ||
| dest: os.Path, | ||
| nativeWorkDir: os.Path | ||
| ): Boolean = { | ||
| val projectShaPath = resolveProjectShaPath(nativeWorkDir) | ||
| val outputShaPath = resolveOutputShaPath(nativeWorkDir) | ||
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| val currentProjectSha = projectSha(build, nativeConfig) | ||
| val currentOutputSha = if (os.exists(dest)) Some(fileSha(dest)) else None | ||
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| val previousProjectSha = if (os.exists(projectShaPath)) Some(os.read(projectShaPath)) else None | ||
| val previousOutputSha = if (os.exists(outputShaPath)) Some(os.read(outputShaPath)) else None | ||
|
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| val changed = | ||
| !previousProjectSha.contains(currentProjectSha) || | ||
| previousOutputSha != currentOutputSha || | ||
| !os.exists(dest) | ||
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| // update sha in .projectShaPath | ||
| if (changed) os.write.over(projectShaPath, currentProjectSha, createFolders = true) | ||
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| changed | ||
| } | ||
| } |
147 changes: 147 additions & 0 deletions
147
modules/cli/src/test/scala/cli/tests/internal/BuildTests.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| package cli.tests.internal | ||
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| import dependency.{ScalaParameters, ScalaVersion} | ||
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| import java.io.IOException | ||
| import java.nio.charset.StandardCharsets | ||
| import java.security.SecureRandom | ||
| import java.util.concurrent.atomic.AtomicInteger | ||
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| import scala.build.internal.Constants | ||
| import scala.build.options.{BuildOptions, Scope} | ||
| import scala.build.{Artifacts, Build, Inputs, Project, ScalaCompiler, Sources} | ||
| import scala.util.control.NonFatal | ||
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| final case class BuildTests( | ||
| files: Seq[(os.RelPath, String)], | ||
| options: BuildOptions = BuildOptions() | ||
| ) { | ||
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| def withClangPath(clangPath: os.Path) = copy( | ||
| options = options.copy( | ||
| scalaNativeOptions = options.scalaNativeOptions.copy( | ||
| clang = Some(clangPath.toString()) | ||
| ) | ||
| ) | ||
| ) | ||
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| def withClangppPath(clangppPath: os.Path) = copy( | ||
| options = options.copy( | ||
| scalaNativeOptions = options.scalaNativeOptions.copy( | ||
| clangpp = Some(clangppPath.toString()) | ||
| ) | ||
| ) | ||
| ) | ||
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| private def writeIn(dir: os.Path): Unit = | ||
| for ((relPath, content) <- files) { | ||
| val path = dir / relPath | ||
| os.write(path, content.getBytes(StandardCharsets.UTF_8), createFolders = true) | ||
| } | ||
| def root(): os.Path = { | ||
| val tmpDir = BuildTests.tmpDir | ||
| writeIn(tmpDir) | ||
| tmpDir | ||
| } | ||
| def fromRoot[T](f: (os.Path, Build.Successful) => T): T = | ||
| BuildTests.withTmpDir { tmpDir => | ||
| writeIn(tmpDir) | ||
| f(tmpDir, generateBuilds(tmpDir)) | ||
| } | ||
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| private def inputs(workDir: os.Path): Inputs = Inputs.empty(workDir).copy(elements = files.map { | ||
| case (relPath, _) => Inputs.ScalaFile(workDir, relPath.asSubPath) | ||
| }) | ||
|
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| private val emptyArtifacts: Artifacts = Artifacts( | ||
| compilerDependencies = Seq.empty, | ||
| compilerArtifacts = Seq.empty, | ||
| compilerPlugins = Seq.empty, | ||
| dependencies = Seq.empty, | ||
| detailedArtifacts = Seq.empty, | ||
| extraClassPath = Seq.empty, | ||
| extraCompileOnlyJars = Seq.empty, | ||
| extraSourceJars = Seq.empty, | ||
| params = ScalaParameters(BuildTests.defaultScalaVersion) | ||
| ) | ||
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| private def emptyProject(workDir: os.Path): Project = Project( | ||
| workspace = workDir, | ||
| classesDir = workDir, | ||
| scalaCompiler = ScalaCompiler( | ||
| BuildTests.defaultScalaVersion, | ||
| ScalaVersion.binary(BuildTests.defaultScalaVersion), | ||
| Seq.empty, | ||
| Seq.empty | ||
| ), | ||
| scalaJsOptions = None, | ||
| scalaNativeOptions = None, | ||
| projectName = "build-test", | ||
| classPath = Seq.empty, | ||
| sources = Seq.empty, | ||
| resolution = None, | ||
| resourceDirs = Seq.empty, | ||
| javaHomeOpt = None, | ||
| scope = Scope.Main, | ||
| javacOptions = Nil | ||
| ) | ||
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| private def generateBuilds(workDir: os.Path): Build.Successful = Build.Successful( | ||
| inputs = inputs(workDir), | ||
| options = options, | ||
| scalaParams = ScalaParameters(BuildTests.defaultScalaVersion), | ||
| scope = Scope.Main, | ||
| sources = Sources.empty, | ||
| artifacts = emptyArtifacts, | ||
| project = emptyProject(workDir), | ||
| output = workDir, | ||
| diagnostics = None | ||
| ) | ||
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| } | ||
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| object BuildTests { | ||
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| lazy val defaultScalaVersion = Constants.defaultScalaVersion | ||
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| private lazy val baseTmpDir = { | ||
| val base = os.temp.dir() | ||
| val rng = new SecureRandom | ||
| val d = base / s"run-${math.abs(rng.nextInt().toLong)}" | ||
| os.makeDir.all(d) | ||
| Runtime.getRuntime.addShutdownHook( | ||
| new Thread("scala-cli-its-clean-up-tmp-dir") { | ||
| setDaemon(true) | ||
| override def run(): Unit = | ||
| try os.remove.all(d) | ||
| catch { | ||
| case NonFatal(_) => | ||
| System.err.println(s"Could not remove $d, ignoring it.") | ||
| } | ||
| } | ||
| ) | ||
| d | ||
| } | ||
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| private val tmpCount = new AtomicInteger | ||
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| private def withTmpDir[T](f: os.Path => T): T = { | ||
| val tmpDir = baseTmpDir / s"test-${tmpCount.incrementAndGet()}" | ||
| os.makeDir.all(tmpDir) | ||
| val tmpDir0 = os.Path(tmpDir.toIO.getCanonicalFile) | ||
| def removeAll(): Unit = | ||
| try os.remove.all(tmpDir0) | ||
| catch { | ||
| case ex: IOException => | ||
| System.err.println(s"Ignoring $ex while removing $tmpDir0") | ||
| } | ||
| try f(tmpDir0) | ||
| finally removeAll() | ||
| } | ||
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| private def tmpDir: os.Path = { | ||
| val tmpDir = baseTmpDir / s"test-${tmpCount.incrementAndGet()}" | ||
| os.makeDir.all(tmpDir) | ||
| os.Path(tmpDir.toIO.getCanonicalFile) | ||
| } | ||
| } |
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