Created
June 13, 2022 13:37
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Ammonite script to `tar` all the target files. Useful for caching compilation results in multi stage pipelines. Built for Azure devops, it can be easily modified to cope with other CI platforms
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| val currentDir= os.pwd | |
| println(os.list(currentDir).toList.map(p => (os.isDir(p), p.relativeTo(currentDir))).mkString("\n")) | |
| def allSubDirectoriesNamed(name: String, p: os.Path): List[os.Path] = { | |
| if (os.isDir(p) && p.last == name) List(p) | |
| else if (os.isDir(p)) { | |
| for { | |
| child <- os.list(p).toList | |
| subDirs <- allSubDirectoriesNamed(name, child) | |
| } yield subDirs | |
| } else List() | |
| } | |
| val allTargetDirs = allSubDirectoriesNamed("target", currentDir) | |
| case class Artifact(publish: os.RelPath, name: String) | |
| def exportYaml(artifact: Artifact, current: String) = | |
| s"""|- publish: ${current}/${artifact.publish} | |
| | artifact: ${artifact.name}""".stripMargin | |
| def importYaml(artifact: Artifact) = | |
| s"""| - download: current | |
| | artifact: ${artifact.name}""".stripMargin | |
| def zipTargetShell(artifacts: List[Artifact]): String = | |
| s"""#! /bin/bash | |
| |set -e | |
| | | |
| |TARGETS="version.txt ${artifacts.map(_.publish).mkString(" ")}" | |
| | | |
| |tar -cf targets-cache.tar $$TARGETS | |
| |""".stripMargin | |
| def makeArtifact(p: os.RelPath): Artifact = Artifact(p, p.segments.toList.mkString("_")) | |
| val azureBuildDirectory = "$(Build.Repository.LocalPath)" | |
| val allArtifacts = allTargetDirs.map(dir => makeArtifact(dir.relativeTo(currentDir))) | |
| val exportAllYaml = allArtifacts.map(a => exportYaml(a, azureBuildDirectory)).mkString("\n") | |
| val importAllYaml = allArtifacts.map(importYaml).mkString("\n") | |
| println(s"All artifacts: \n$allArtifacts\n") | |
| println(s"ExportAll Yaml: \n$exportAllYaml\n") | |
| println(s"ImportAll Yaml: \n$importAllYaml\n") | |
| println(s"zip-target.sh: \n${zipTargetShell(allArtifacts)}") |
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