Migrate proto to kts (#2639)

* Migrate proto to kts

* Less types

proto/build.gradle

@@ -1,65 +0,0 @@
-plugins {
-    id "java-library"
-    id "maven-publish"
-
-    id "com.google.protobuf"
-    id "de.undercouch.download"
-    id "ru.vyarus.animalsniffer"
-}
-
-description = 'OpenTelemetry Proto'
-ext.moduleName = 'io.opentelemetry.proto'
-
-dependencies {
-    api "com.google.protobuf:protobuf-java",
-            "io.grpc:grpc-api",
-            "io.grpc:grpc-protobuf",
-            "io.grpc:grpc-stub"
-}
-
-def protoVersion = "0.7.0"
-// To generate checksum, download the file and run "shasum -a 256 ~/path/to/vfoo.zip"
-def protoChecksum = "0b581c654b2360485b99c2de3731dd59275b0fe7b91d78e7f6c5efd5997f4c82"
-def protoArchivePath = "$buildDir/archives/opentelemetry-proto-${protoVersion}.zip"
-
-def downloadProtoArchive = tasks.register("downloadProtoArchive", Download) {
-    onlyIf { !file(protoArchivePath).exists() }
-    src "https://github.com/open-telemetry/opentelemetry-proto/archive/v${protoVersion}.zip"
-    dest protoArchivePath
-}
-
-def verifyProtoArchive = tasks.register("verifyProtoArchive", Verify) {
-    dependsOn(downloadProtoArchive)
-    src protoArchivePath
-    algorithm "SHA-256"
-    checksum protoChecksum
-}
-
-def unzipProtoArchive = tasks.register("unzipProtoArchive", Copy) {
-    dependsOn(verifyProtoArchive)
-    from zipTree(protoArchivePath)
-    into "$buildDir/protos"
-}
-
-sourceSets {
-    main {
-        proto {
-            srcDir "$buildDir/protos/opentelemetry-proto-${protoVersion}"
-        }
-    }
-}
-
-afterEvaluate {
-    tasks.named("generateProto") {
-        dependsOn(unzipProtoArchive)
-    }
-}
-
-// IntelliJ complains that the generated classes are not found, ask IntelliJ to include the
-// generated Java directories as source folders.
-idea {
-    module {
-        sourceDirs += file("build/generated/source/proto/main/java")
-        // If you have additional sourceSets and/or codegen plugins, add all of them
-    }
-}

proto/build.gradle.kts

@@ -0,0 +1,70 @@
+import de.undercouch.gradle.tasks.download.Download
+import de.undercouch.gradle.tasks.download.Verify
+
+plugins {
+    id("java-library")
+    id("maven-publish")
+
+    id("com.google.protobuf")
+    id("de.undercouch.download")
+    id("ru.vyarus.animalsniffer")
+}
+
+description = "OpenTelemetry Proto"
+extra["moduleName"] = "io.opentelemetry.proto"
+
+dependencies {
+    api("com.google.protobuf:protobuf-java")
+    api("io.grpc:grpc-api")
+    api("io.grpc:grpc-protobuf")
+    api("io.grpc:grpc-stub")
+}
+
+val protoVersion = "0.7.0"
+// To generate checksum, download the file and run "shasum -a 256 ~/path/to/vfoo.zip"
+val protoChecksum = "0b581c654b2360485b99c2de3731dd59275b0fe7b91d78e7f6c5efd5997f4c82"
+val protoArchive = file("$buildDir/archives/opentelemetry-proto-${protoVersion}.zip")
+
+tasks {
+    val downloadProtoArchive by registering(Download::class) {
+        onlyIf { !protoArchive.exists() }
+        src("https://github.com/open-telemetry/opentelemetry-proto/archive/v${protoVersion}.zip")
+        dest(protoArchive)
+    }
+
+    val verifyProtoArchive by registering(Verify::class) {
+        dependsOn(downloadProtoArchive)
+        src(protoArchive)
+        algorithm("SHA-256")
+        checksum(protoChecksum)
+    }
+
+    val unzipProtoArchive by registering(Copy::class) {
+        dependsOn(verifyProtoArchive)
+        from(zipTree(protoArchive))
+        into("$buildDir/protos")
+    }
+
+    afterEvaluate {
+        named("generateProto") {
+            dependsOn(unzipProtoArchive)
+        }
+    }
+}
+
+sourceSets {
+    main {
+        proto {
+            srcDir("$buildDir/protos/opentelemetry-proto-${protoVersion}")
+        }
+    }
+}
+
+// IntelliJ complains that the generated classes are not found, ask IntelliJ to include the
+// generated Java directories as source folders.
+idea {
+    module {
+        sourceDirs.add(file("build/generated/source/proto/main/java"))
+        // If you have additional sourceSets and/or codegen plugins, add all of them
+    }
+}