Build: Add hacky workaround for retrying PublishToMavenRepository tasks

It's supposed to help with `Caused by: org.apache.http.NoHttpResponseException: api.bintray.com:443 failed to respond`

build.gradle.kts

@@ -152,6 +152,7 @@ rootProject.apply {
     from(rootProject.file("gradle/jps.gradle.kts"))
     from(rootProject.file("gradle/checkArtifacts.gradle.kts"))
     from(rootProject.file("gradle/checkCacheability.gradle.kts"))
+    from(rootProject.file("gradle/retryPublishing.gradle.kts"))
 }
 
 IdeVersionConfigurator.setCurrentIde(project)
@@ -1074,4 +1075,4 @@ if (disableVerificationTasks) {
             }
         }
     }
-}
+}

gradle.properties

@@ -10,6 +10,7 @@ kotlin.compiler.newInferenceEnabled=true
 #bootstrap.kotlin.version=1.1.50-dev-1451
 bootstrap.kotlin.default.version=1.4.20-dev-1530
 
+kotlin.build.publishing.attempts=20
 #signingRequired=true
 
 ## The following properties can be added to your local.properties file to customize the build:

gradle/retryPublishing.gradle.kts

@@ -0,0 +1,34 @@
+allprojects {
+    configurePublishingRetry()
+}
+
+fun Project.configurePublishingRetry() {
+    val publishingAttempts = findProperty("kotlin.build.publishing.attempts")?.toString()?.toInt()
+
+    fun retry(attempts: Int, action: () -> Unit): Boolean {
+        repeat(attempts) {
+            try {
+                action()
+                return true
+            } catch (e: Throwable) {
+                e.printStackTrace()
+            }
+        }
+        return false
+    }
+
+    fun <T: Task> T.configureRetry(attempts: Int, taskAction: T.() -> Unit) {
+        doFirst {
+            if (retry(attempts) { taskAction() })
+                throw StopExecutionException()
+            else
+                error("Number of attempts ($attempts) exceeded for ${project.path}:$name")
+        }
+    }
+
+    if (publishingAttempts != null && publishingAttempts > 1) {
+        tasks.withType<PublishToMavenRepository> {
+            configureRetry(publishingAttempts, PublishToMavenRepository::publish)
+        }
+    }
+}