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Convert absolute to relative pluginsClasspath..

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..to avoid recompilation on build with portable caches

#KT-62256 Fixed


Merge-request: KT-MR-12377
Merged-by: Aleksei Cherepanov <aleksei.cherepanov@jetbrains.com>
This commit is contained in:
Aleksei.Cherepanov
2023-10-05 10:25:53 +00:00
committed by Space Team
parent 7b3e661776
commit a32c65e4e1
9 changed files with 93 additions and 35 deletions
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compiler/util/src/org/jetbrains/kotlin/config/PluginClasspathsUtils.kt
-66
View File
@@ -1,66 +0,0 @@
/*
* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.config
import java.io.File
import java.security.DigestInputStream
import java.security.MessageDigest
class PluginClasspaths(val classpaths: Array<String>?) {
companion object {
fun deserializeWithHashes(str: String): List<Pair<String, String>> =
str.split(":")
.filter(String::isNotBlank)
.map { Pair(File(it.substringBeforeLast("-")).name, it.substringAfterLast("-")) }
}
fun serialize() = classpaths?.mapNotNull { it ->
val jar = File(it).takeIf { it.exists() } ?: return@mapNotNull null
val jarPath = jar.absolutePath
val jarHash = jar.sha256()
"$jarPath-$jarHash"
}?.joinToString(":") ?: ""
private fun File.sha256(): String {
val digest = MessageDigest.getInstance("SHA-256")
DigestInputStream(this.inputStream(), digest).use { dis ->
val buffer = ByteArray(8192)
var bytesRead = 0
while (bytesRead != -1) {
bytesRead = dis.read(buffer, 0, buffer.size)
}
}
// Convert to hex:
return digest.digest().joinToString("") {
Integer.toHexString((it.toInt() and 0xff) + 0x100).substring(1)
}
}
}
class PluginClasspathsComparator(old: String, new: String) {
private val oldPluginClasspath: List<Pair<String, String>> by lazy { PluginClasspaths.deserializeWithHashes(old) }
private val newPluginClasspath: List<Pair<String, String>> by lazy { PluginClasspaths.deserializeWithHashes(new) }
fun equals() = oldPluginClasspath == newPluginClasspath
fun describeDifferencesOrNull(): String? {
val changed = oldPluginClasspath != newPluginClasspath
if (!changed) return null
val added = newPluginClasspath.subtract(oldPluginClasspath).takeIf { it.isNotEmpty() }?.toList()
val deleted = oldPluginClasspath.subtract(newPluginClasspath).takeIf { it.isNotEmpty() }?.toList()
return StringBuilder().apply {
if (added == null && deleted == null) {
this.append("Plugin classpaths was reordered.")
return@apply
}
this.append("Plugin classpaths was changed.")
if (added != null) this.append(" Added: ${added.joinToString(", ")}.")
if (deleted != null) this.append(" Deleted: ${deleted.joinToString(", ")}.")
this.append(" Rebuild initiated.")
}.toString()
}
}