Eliminate circe-yaml dependency

build.sbt

@@ -290,6 +290,7 @@ lazy val enso = (project in file("."))
     `syntax-rust-definition`,
     `text-buffer`,
     yaml,
+    `scala-yaml`,
     pkg,
     cli,
     `task-progress-notifications`,
@@ -417,10 +418,10 @@ val catsVersion = "2.9.0"
 // === Circe ==================================================================
 
 val circeVersion              = "0.14.7"
-val circeYamlVersion          = "0.15.1"
 val circeGenericExtrasVersion = "0.14.3"
 val circe = Seq("circe-core", "circe-generic", "circe-parser")
   .map("io.circe" %% _ % circeVersion)
+val snakeyamlVersion = "2.2"
 
 // === Commons ================================================================
 
@@ -751,7 +752,16 @@ lazy val yaml = (project in file("lib/java/yaml"))
     frgaalJavaCompilerSetting,
     version := "0.1",
     libraryDependencies ++= Seq(
-      "io.circe" %% "circe-yaml" % circeYamlVersion % "provided"
+      "org.yaml" % "snakeyaml" % snakeyamlVersion % "provided"
+    )
+  )
+
+lazy val `scala-yaml` = (project in file("lib/scala/yaml"))
+  .configs(Test)
+  .settings(
+    frgaalJavaCompilerSetting,
+    libraryDependencies ++= Seq(
+      "org.yaml" % "snakeyaml" % snakeyamlVersion % "provided"
     )
   )
 
@@ -762,7 +772,8 @@ lazy val pkg = (project in file("lib/scala/pkg"))
     version := "0.1",
     libraryDependencies ++= Seq(
       "org.graalvm.truffle" % "truffle-api"      % graalMavenPackagesVersion % "provided",
-      "io.circe"           %% "circe-yaml"       % circeYamlVersion          % "provided",
+      "io.circe"           %% "circe-core"       % circeVersion              % "provided",
+      "org.yaml"            % "snakeyaml"        % snakeyamlVersion          % "provided",
       "org.scalatest"      %% "scalatest"        % scalatestVersion          % Test,
       "org.apache.commons"  % "commons-compress" % commonsCompressVersion
     )
@@ -930,10 +941,12 @@ lazy val cli = project
     version := "0.1",
     libraryDependencies ++= circe ++ Seq(
       "com.typesafe.scala-logging" %% "scala-logging" % scalaLoggingVersion,
+      "org.yaml"                    % "snakeyaml"     % snakeyamlVersion % "provided",
       "org.scalatest"              %% "scalatest"     % scalatestVersion % Test
     ),
     Test / parallelExecution := false
   )
+  .dependsOn(`scala-yaml`)
 
 lazy val `task-progress-notifications` = project
   .in(file("lib/scala/task-progress-notifications"))
@@ -1461,11 +1474,11 @@ lazy val `polyglot-api` = project
         "runtime-fat-jar"
       ) / Compile / fullClasspath).value,
     libraryDependencies ++= Seq(
+      "io.circe"                              %% "circe-core"            % circeVersion              % "provided",
       "org.graalvm.sdk"                        % "polyglot-tck"          % graalMavenPackagesVersion % "provided",
       "org.graalvm.truffle"                    % "truffle-api"           % graalMavenPackagesVersion % "provided",
       "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-macros" % jsoniterVersion,
       "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-core"   % jsoniterVersion,
-      "io.circe"                              %% "circe-yaml"            % circeYamlVersion          % "provided", // as required by `pkg` and `editions`
       "com.google.flatbuffers"                 % "flatbuffers-java"      % flatbuffersVersion,
       "org.scalatest"                         %% "scalatest"             % scalatestVersion          % Test,
       "org.scalacheck"                        %% "scalacheck"            % scalacheckVersion         % Test
@@ -2764,7 +2777,7 @@ lazy val `distribution-manager` = project
     resolvers += Resolver.bintrayRepo("gn0s1s", "releases"),
     libraryDependencies ++= Seq(
       "com.typesafe.scala-logging" %% "scala-logging" % scalaLoggingVersion,
-      "io.circe"                   %% "circe-yaml"    % circeYamlVersion,
+      "org.yaml"                    % "snakeyaml"     % snakeyamlVersion,
       "commons-io"                  % "commons-io"    % commonsIoVersion,
       "org.scalatest"              %% "scalatest"     % scalatestVersion % Test
     )
@@ -2944,7 +2957,8 @@ lazy val editions = project
   .settings(
     frgaalJavaCompilerSetting,
     libraryDependencies ++= Seq(
-      "io.circe"      %% "circe-yaml" % circeYamlVersion % "provided",
+      "io.circe"      %% "circe-core" % circeVersion     % "provided",
+      "org.yaml"       % "snakeyaml"  % snakeyamlVersion % "provided",
       "org.scalatest" %% "scalatest"  % scalatestVersion % Test
     )
   )
@@ -2973,7 +2987,8 @@ lazy val semver = project
   .settings(
     frgaalJavaCompilerSetting,
     libraryDependencies ++= Seq(
-      "io.circe"      %% "circe-yaml"      % circeYamlVersion % "provided",
+      "io.circe"      %% "circe-core"      % circeVersion     % "provided",
+      "org.yaml"       % "snakeyaml"       % snakeyamlVersion % "provided",
       "org.scalatest" %% "scalatest"       % scalatestVersion % Test,
       "junit"          % "junit"           % junitVersion     % Test,
       "com.github.sbt" % "junit-interface" % junitIfVersion   % Test
@@ -2996,6 +3011,7 @@ lazy val semver = project
     cleanFiles += baseDirectory.value / ".." / ".." / "distribution" / "editions"
   )
   .dependsOn(testkit % Test)
+  .dependsOn(`scala-yaml`)
 
 lazy val downloader = (project in file("lib/scala/downloader"))
   .settings(
@@ -3040,7 +3056,7 @@ lazy val `edition-uploader` = project
   .settings(
     frgaalJavaCompilerSetting,
     libraryDependencies ++= Seq(
-      "io.circe" %% "circe-yaml" % circeYamlVersion % "provided"
+      "io.circe" %% "circe-core" % circeVersion % "provided"
     )
   )
   .dependsOn(editions)

distribution/engine/THIRD-PARTY/NOTICE

@@ -211,16 +211,6 @@ The license file can be found at `licenses/APACHE2.0`.
 Copyright notices related to this dependency can be found in the directory `io.circe.circe-parser_2.13-0.14.7`.
 
 
-'circe-yaml-common_2.13', licensed under the Apache-2.0, is distributed with the engine.
-The license file can be found at `licenses/APACHE2.0`.
-Copyright notices related to this dependency can be found in the directory `io.circe.circe-yaml-common_2.13-0.15.1`.
-
-
-'circe-yaml_2.13', licensed under the Apache-2.0, is distributed with the engine.
-The license file can be found at `licenses/APACHE2.0`.
-Copyright notices related to this dependency can be found in the directory `io.circe.circe-yaml_2.13-0.15.1`.
-
-
 'helidon-builder-api', licensed under the Apache 2.0, is distributed with the engine.
 The license file can be found at `licenses/APACHE2.0`.
 Copyright notices related to this dependency can be found in the directory `io.helidon.builder.helidon-builder-api-4.0.8`.

distribution/launcher/THIRD-PARTY/NOTICE

@@ -86,16 +86,6 @@ The license file can be found at `licenses/APACHE2.0`.
 Copyright notices related to this dependency can be found in the directory `io.circe.circe-parser_2.13-0.14.7`.
 
 
-'circe-yaml-common_2.13', licensed under the Apache-2.0, is distributed with the launcher.
-The license file can be found at `licenses/APACHE2.0`.
-Copyright notices related to this dependency can be found in the directory `io.circe.circe-yaml-common_2.13-0.15.1`.
-
-
-'circe-yaml_2.13', licensed under the Apache-2.0, is distributed with the launcher.
-The license file can be found at `licenses/APACHE2.0`.
-Copyright notices related to this dependency can be found in the directory `io.circe.circe-yaml_2.13-0.15.1`.
-
-
 'commons-compress', licensed under the Apache-2.0, is distributed with the launcher.
 The license file can be found at `licenses/APACHE2.0`.
 Copyright notices related to this dependency can be found in the directory `org.apache.commons.commons-compress-1.23.0`.

distribution/project-manager/THIRD-PARTY/NOTICE

@@ -186,16 +186,6 @@ The license file can be found at `licenses/APACHE2.0`.
 Copyright notices related to this dependency can be found in the directory `io.circe.circe-parser_2.13-0.14.7`.
 
 
-'circe-yaml-common_2.13', licensed under the Apache-2.0, is distributed with the project-manager.
-The license file can be found at `licenses/APACHE2.0`.
-Copyright notices related to this dependency can be found in the directory `io.circe.circe-yaml-common_2.13-0.15.1`.
-
-
-'circe-yaml_2.13', licensed under the Apache-2.0, is distributed with the project-manager.
-The license file can be found at `licenses/APACHE2.0`.
-Copyright notices related to this dependency can be found in the directory `io.circe.circe-yaml_2.13-0.15.1`.
-
-
 'helidon-builder-api', licensed under the Apache 2.0, is distributed with the project-manager.
 The license file can be found at `licenses/APACHE2.0`.
 Copyright notices related to this dependency can be found in the directory `io.helidon.builder.helidon-builder-api-4.0.8`.

engine/launcher/src/main/scala/org/enso/launcher/Launcher.scala

@@ -2,7 +2,6 @@ package org.enso.launcher
 
 import java.nio.file.Path
 import com.typesafe.scalalogging.Logger
-import io.circe.Json
 import org.enso.semver.SemVer
 import org.enso.distribution.config.DefaultVersion
 import org.enso.editions.updater.EditionManager
@@ -368,7 +367,7 @@ case class Launcher(cliOptions: GlobalCLIOptions) {
         s"(${configurationManager.configLocation.toAbsolutePath})."
       )
     } else {
-      configurationManager.updateConfigRaw(key, Json.fromString(value))
+      configurationManager.updateConfigRaw(key, value)
       InfoLogger.info(
         s"""Key `$key` set to "$value" in the global configuration file """ +
         s"(${configurationManager.configLocation.toAbsolutePath})."

engine/launcher/src/main/scala/org/enso/launcher/releases/fallback/staticwebsite/FallbackManifest.scala

@@ -1,7 +1,9 @@
 package org.enso.launcher.releases.fallback.staticwebsite
 
-import io.circe.Decoder
+import org.enso.yaml.YamlDecoder
+import org.yaml.snakeyaml.nodes.{MappingNode, Node}
 
+import java.io.StringReader
 import scala.util.Try
 
 /** Manifest of the fallback mechanism.
@@ -13,6 +15,23 @@ case class FallbackManifest(enabled: Boolean)
 
 object FallbackManifest {
 
+  implicit val yamlDecoder: YamlDecoder[FallbackManifest] =
+    new YamlDecoder[FallbackManifest] {
+      override def decode(node: Node) = {
+        node match {
+          case node: MappingNode =>
+            val booleanDecoder = implicitly[YamlDecoder[Boolean]]
+            val bindings       = mappingKV(node)
+            for {
+              enabled <- bindings
+                .get(Fields.enabled)
+                .map(booleanDecoder.decode(_))
+                .getOrElse(Right(false))
+            } yield FallbackManifest(enabled)
+        }
+      }
+    }
+
   /** Defines a part of the URL scheme of the fallback mechanism - the name of
     * manifest file.
     *
@@ -25,17 +44,10 @@ object FallbackManifest {
     val enabled = "enabled"
   }
 
-  /** [[Decoder]] instance for [[FallbackManifest]].
-    *
-    * It should always remain backwards compatible, since the fallback mechanism
-    * must work for all released launcher versions.
-    */
-  implicit val decoder: Decoder[FallbackManifest] = { json =>
-    for {
-      enabled <- json.get[Boolean](Fields.enabled)
-    } yield FallbackManifest(enabled)
+  def parseString(yamlString: String): Try[FallbackManifest] = {
+    val snakeYaml = new org.yaml.snakeyaml.Yaml()
+    Try(snakeYaml.compose(new StringReader(yamlString))).toEither
+      .flatMap(implicitly[YamlDecoder[FallbackManifest]].decode(_))
+      .toTry
   }
-
-  def parseString(string: String): Try[FallbackManifest] =
-    io.circe.yaml.parser.parse(string).flatMap(_.as[FallbackManifest]).toTry
 }