From d7a4cf59543aefc2dd81cd5d64ac445a7133fbaf Mon Sep 17 00:00:00 2001
From: "Yang, Bo" <pop.atry@gmail.com>
Date: Wed, 25 Jan 2023 22:13:07 -0800
Subject: [PATCH] Enable -source-links for Scala 3

---
 .../GithubActionsScaladocSourceUrl.scala      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/github-actions/src/main/scala/com/thoughtworks/sbtBestPractice/githubActions/GithubActionsScaladocSourceUrl.scala b/github-actions/src/main/scala/com/thoughtworks/sbtBestPractice/githubActions/GithubActionsScaladocSourceUrl.scala
index 521c338..782bb40 100644
--- a/github-actions/src/main/scala/com/thoughtworks/sbtBestPractice/githubActions/GithubActionsScaladocSourceUrl.scala
+++ b/github-actions/src/main/scala/com/thoughtworks/sbtBestPractice/githubActions/GithubActionsScaladocSourceUrl.scala
@@ -33,6 +33,25 @@ object GithubActionsScaladocSourceUrl extends AutoPlugin {
         originalScalacOptions
       }
     },
+    Compile / doc / scalacOptions ++= {
+      if (scalaBinaryVersion.value == "3") {
+        for {
+          repositoryBuilder <- GitPlugin.gitRepositoryBuilder.?.value
+          workTree <- GitPlugin.gitWorkTree.value
+          slug <- GithubActionsEnvironmentVariables.githubRepository.?.value
+        } yield {
+          val repository = repositoryBuilder.build()
+          try {
+            val hash = repository.resolve(Constants.HEAD).name
+            raw"-source-links:$workTree=github://$slug/$hash"
+          } finally {
+            repository.close()
+          }
+        }
+      } else {
+        None
+      }
+    },
     scalacOptions in Compile in doc := {
       val originalScalacOptions = (scalacOptions in Compile in doc).value
       (GitPlugin.gitRepositoryBuilder.?.value, GithubActionsEnvironmentVariables.githubRepository.?.value) match {