sbt/ivy/src/main/scala/sbt/ResolutionCache.scala

90 lines
4.2 KiB
Scala

package sbt
import java.io.File
import java.io.FileInputStream
import java.util.Properties
import org.apache.ivy.core
import org.apache.ivy.plugins.parser
import core.IvyPatternHelper
import core.settings.IvySettings
import core.cache.{ CacheMetadataOptions, DefaultRepositoryCacheManager, DefaultResolutionCacheManager, ResolutionCacheManager }
import core.module.id.ModuleRevisionId
import core.module.descriptor.ModuleDescriptor
import ResolutionCache.{ Name, ReportDirectory, ResolvedName, ResolvedPattern }
import parser.xml.XmlModuleDescriptorParser
/**
* Replaces the standard Ivy resolution cache in order to:
* 1. Separate cached resolved Ivy files from resolution reports, making the resolution reports easier to find.
* 2. Have them per-project for easier cleaning (possible with standard cache, but central to this custom one).
* 3. Cache location includes extra attributes so that cross builds of a plugin do not overwrite each other.
*/
private[sbt] final class ResolutionCache(base: File, settings: IvySettings) extends ResolutionCacheManager {
private[this] def resolvedFileInCache(m: ModuleRevisionId, name: String, ext: String): File = {
val p = ResolvedPattern
val f = IvyPatternHelper.substitute(p, m.getOrganisation, m.getName, m.getBranch, m.getRevision, name, name, ext, null, null, m.getAttributes, null)
new File(base, f)
}
private[this] val reportBase: File = new File(base, ReportDirectory)
def getResolutionCacheRoot: File = base
def clean() { IO.delete(base) }
override def toString = Name
def getResolvedIvyFileInCache(mrid: ModuleRevisionId): File =
resolvedFileInCache(mrid, ResolvedName, "xml")
def getResolvedIvyPropertiesInCache(mrid: ModuleRevisionId): File =
resolvedFileInCache(mrid, ResolvedName, "properties")
// name needs to be the same as Ivy's default because the ivy-report.xsl stylesheet assumes this
// when making links to reports for other configurations
def getConfigurationResolveReportInCache(resolveId: String, conf: String): File =
new File(reportBase, resolveId + "-" + conf + ".xml")
def getConfigurationResolveReportsInCache(resolveId: String): Array[File] =
IO.listFiles(reportBase).filter(_.getName.startsWith(resolveId + "-"))
// XXX: this method is required by ResolutionCacheManager in Ivy 2.3.0 final,
// but it is apparently unused by Ivy as sbt uses Ivy. Therefore, it is
// unexercised in tests. Note that the implementation of this method in Ivy 2.3.0's
// DefaultResolutionCache also resolves parent properties for a given mrid
def getResolvedModuleDescriptor(mrid: ModuleRevisionId): ModuleDescriptor = {
val ivyFile = getResolvedIvyFileInCache(mrid)
if (!ivyFile.exists()) {
throw new IllegalStateException("Ivy file not found in cache for " + mrid + "!")
}
XmlModuleDescriptorParser.getInstance().parseDescriptor(settings, ivyFile.toURI.toURL, false)
}
def saveResolvedModuleDescriptor(md: ModuleDescriptor): Unit = {
val mrid = md.getResolvedModuleRevisionId
val cachedIvyFile = getResolvedIvyFileInCache(mrid)
md.toIvyFile(cachedIvyFile)
}
}
private[sbt] object ResolutionCache {
/**
* Removes cached files from the resolution cache for the module with ID `mrid`
* and the resolveId (as set on `ResolveOptions`).
*/
private[sbt] def cleanModule(mrid: ModuleRevisionId, resolveId: String, manager: ResolutionCacheManager) {
val files =
Option(manager.getResolvedIvyFileInCache(mrid)).toList :::
Option(manager.getResolvedIvyPropertiesInCache(mrid)).toList :::
Option(manager.getConfigurationResolveReportsInCache(resolveId)).toList.flatten
IO.delete(files)
}
private val ReportDirectory = "reports"
// name of the file providing a dependency resolution report for a configuration
private val ReportFileName = "report.xml"
// base name (name except for extension) of resolution report file
private val ResolvedName = "resolved.xml"
// Cache name
private val Name = "sbt-resolution-cache"
// use sbt-specific extra attributes so that resolved xml files do not get overwritten when using different Scala/sbt versions
private val ResolvedPattern = "[organisation]/[module]/" + Resolver.PluginPattern + "[revision]/[artifact].[ext]"
}