Add IBM Semeru (OpenJ9) to the index (#233)

src/GenerateIndex.scala

@@ -19,14 +19,16 @@ object GenerateIndex {
     val adoptIndex0         = Temurin.fullIndex(GhToken.token)
     val zuluIndex0          = Zulu.index()
     val libericaIndex0      = Liberica.index()
+    val ibmsemeruIndex0     = IbmSemeru.fullIndex(GhToken.token)
 
     val index = graalvmLegacyIndex0 +
       graalvmIndex0 +
       oracleIndex0 +
       adoptIndex0 +
       zuluIndex0 +
       libericaIndex0 +
-      correttoIndex0
+      correttoIndex0 +
+      ibmsemeruIndex0
 
     val json = index.json
     os.write.over(dest, json)

src/IbmSemeru.scala

@@ -0,0 +1,69 @@
+object IbmSemeru {
+
+  def fullIndex(ghToken: String): Index = {
+    val ibmsemeruJdk11Index0 = index(ghToken, "11")
+    val ibmsemeruJdk17Index0 = index(ghToken, "17")
+    val ibmsemeruJdk21Index0 = index(ghToken, "21")
+    ibmsemeruJdk11Index0 + ibmsemeruJdk17Index0 + ibmsemeruJdk21Index0
+  }
+
+  def index(
+    ghToken: String,
+    javaVersion: String
+  ): Index = {
+
+    val ghOrg  = "ibmruntimes"
+    val ghProj = s"semeru$javaVersion-binaries"
+    val releases0 = Release.releaseIds(ghOrg, ghProj, ghToken)
+      .filter(!_.prerelease)
+
+    def osOpt(input: String): Option[(String, String)] =
+      input match
+        case input if input.startsWith("linux") => Some(("linux", input.stripPrefix("linux_")))
+        case input if input.startsWith("mac")   => Some(("darwin", input.stripPrefix("mac_")))
+        case input if input.startsWith("windows") =>
+          Some(("windows", input.stripPrefix("windows_")))
+        case input if input.startsWith("aix") => Some(("aix", input.stripPrefix("aix_")))
+        case _                                => None
+
+    def archOpt(input: String): Option[(String, String)] =
+      input match
+        case input if input.startsWith("x64")     => Some(("amd64", input.stripPrefix("x64_")))
+        case input if input.startsWith("aarch64") => Some(("arm64", input.stripPrefix("aarch64_")))
+        case input if input.startsWith("ppc64le") =>
+          Some(("ppc64le", input.stripPrefix("ppc64le_")))
+        case input if input.startsWith("ppc64") => Some(("ppc64", input.stripPrefix("ppc64_")))
+        case input if input.startsWith("s390x") => Some(("s390x", input.stripPrefix("s390x_")))
+        case _                                  => None
+
+    def archiveTypeOpt(input: String): Option[(String, String)] =
+      input match
+        case input if input.endsWith(".zip")    => Some(("zip", input.stripSuffix(".zip")))
+        case input if input.endsWith(".tar.gz") => Some(("tgz", input.stripSuffix(".tar.gz")))
+        case _                                  => None
+
+    val indices = releases0
+      .filter(release => release.tagName.startsWith(s"jdk-$javaVersion"))
+      .flatMap { release =>
+        val version         = release.tagName.stripPrefix("jdk-")
+        val assetNamePrefix = s"ibm-semeru-open-jdk_"
+        val assets          = Asset.releaseAssets(ghOrg, ghProj, ghToken, release.tagName)
+        assets
+          .filter(asset => asset.name.startsWith(assetNamePrefix))
+          .flatMap { asset =>
+            val name0       = asset.name.stripPrefix(assetNamePrefix)
+            val nameVersion = s"jdk@ibm-semeru-openj9-java$javaVersion"
+            val opt =
+              for {
+                (arch, rem)        <- archOpt(name0)
+                (os, rem0)         <- osOpt(rem)
+                (archiveType, ver) <- archiveTypeOpt(rem0)
+              } yield Index(os, arch, nameVersion, version, archiveType + "+" + asset.downloadUrl)
+            opt.toSeq
+          }
+      }
+
+    indices.foldLeft(Index.empty)(_ + _)
+  }
+
+}