feat(Tools): Add helper for AWS SDK for .NET VCS path curations

The AWS SDK for .NET libraries are stored in a monorepo [1]. Add a
helper to create the required VCS path curations.

[1]: https://github.com/aws/aws-sdk-net

Signed-off-by: Marcel Bochtler <[email protected]>

Author: MarcelBochtler

tools/curations/build.gradle.kts

@@ -1,4 +1,5 @@
 import org.ossreviewtoolkit.tools.curations.GenerateAspNetCoreCurationsTask
+import org.ossreviewtoolkit.tools.curations.GenerateAwsSdkForNetCurationsTask
 import org.ossreviewtoolkit.tools.curations.GenerateAzureSdkForNetCurationsTask
 import org.ossreviewtoolkit.tools.curations.GenerateDotNetRuntimeCurationsTask
 import org.ossreviewtoolkit.tools.curations.GenerateLicenseClassificationsTask
@@ -9,6 +10,7 @@ tasks {
     register<GenerateLicenseClassificationsTask>("generateLicenseClassifications")
     register<GenerateAspNetCoreCurationsTask>("generateAspNetCoreCurations")
     register<GenerateAzureSdkForNetCurationsTask>("generateAzureSdkForNetCurations")
+    register<GenerateAwsSdkForNetCurationsTask>("generateAwsSdkForNetCurations")
     register<GenerateDotNetRuntimeCurationsTask>("generateDotNetRuntimeCurations")
 
     register<VerifyPackageConfigurationsTask>("verifyPackageConfigurations")

tools/curations/buildSrc/src/main/kotlin/GenerateAwsSdkForNetCurationsTask.kt

@@ -0,0 +1,45 @@
+package org.ossreviewtoolkit.tools.curations
+
+import org.gradle.api.tasks.TaskAction
+import org.ossreviewtoolkit.model.Identifier
+
+open class GenerateAwsSdkForNetCurationsTask : BaseGenerateCurationsTask() {
+    private val fourDigitVersionRegex = Regex("""\d+\.\d+\.\d+\.\d+""")
+
+    @TaskAction
+    fun generate() {
+        val data = mutableSetOf<PathCurationData>()
+        val targetFrameworkRegex = Regex("""\.Net.+$""")
+
+        getTagsFromRepository(owner = "aws", repository = "aws-sdk-net")
+            .filter { it.isFourDigitVersion() }
+            .forEach { tag ->
+                logger.quiet("Processing tag $tag.")
+
+                getFilesFromRepository(owner = "aws", repository = "aws-sdk-net", ref = tag)
+                    .filter { it.startsWith("sdk/src/Services/") && it.endsWith(".csproj") }
+                    .forEach {
+                        val project = it.substringAfterLast("/")
+                            .removeSuffix(".csproj")
+                            .replace(targetFrameworkRegex, "")
+                        val path = it.substringBeforeLast("/")
+                        val id = Identifier("NuGet::$project")
+
+                        // The AWS SDK for .NET uses a four-part version number for all packages. However, Semver4j
+                        // does not support four-part version numbers. Therefore, remove the fourth digit.
+                        val threeDigitVersionTag =
+                            if (tag.count { c -> c == '.' } == 3) tag.substringBeforeLast(".") else tag
+
+                        if ("AWSSDK." in project) {
+                            data += PathCurationData(id, path, threeDigitVersionTag)
+                        }
+                    }
+            }
+
+        data.groupBy { it.id }.forEach { (_, curationData) ->
+            curationData.toPathCurations().forEach { saveCuration(it) }
+        }
+    }
+
+    private fun String.isFourDigitVersion() = fourDigitVersionRegex.matches(this)
+}