Automatically detect modules in settings.gradle (#253)

* Simplify settings.gradle

* Convert settings.gradle to kts

settings.gradle.kts

@@ -0,0 +1,93 @@
+pluginManagement {
+    includeBuild("build-logic")
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+    }
+}
+
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com.android.*")
+                includeGroupByRegex("androidx.*")
+                includeGroupByRegex("com.google.*")
+            }
+        }
+        maven {
+            url = uri("https://jitpack.io")
+            content {
+                includeGroup("com.github.fornewid.metronome")
+            }
+        }
+        maven {
+            url = uri("https://devrepo.kakao.com/nexus/content/groups/public/")
+            content {
+                includeGroup("com.kakao.sdk")
+            }
+        }
+        maven {
+            url = uri("https://naver.jfrog.io/artifactory/maven/")
+            content {
+                includeGroup("com.naver.maps")
+            }
+        }
+
+        mavenCentral()
+    }
+}
+
+// Automatically detect modules.
+ModuleDetector.modules(rootDir).forEach { module ->
+    include(module)
+}
+
+private object ModuleDetector {
+
+    fun modules(rootDir: File) : List<String> {
+        return rootDir.listDirs().flatMap { dir ->
+            findModules(parent = "", dir = dir)
+        }
+    }
+
+    private fun findModules(parent: String, dir: File): List<String> {
+        if (dir.isDirectory.not() || dir.isProject()) {
+            return emptyList()
+        }
+
+        val current: String = parent + ":" + dir.name
+        return if (dir.isModule()) {
+            println("include '$current'")
+            listOf(current)
+        } else {
+            dir.listDirs().flatMap { subDir ->
+                findModules(parent = current, dir = subDir)
+            }
+        }
+    }
+
+    private fun File.isProject(): Boolean {
+        if (isDirectory.not()) {
+            return false
+        }
+        return listFiles().orEmpty().any {
+            it.isFile && (it.name == "settings.gradle" || it.name == "settings.gradle.kts")
+        }
+    }
+
+    private fun File.isModule(): Boolean {
+        if (isDirectory.not()) {
+            return false
+        }
+        return listFiles().orEmpty().any {
+            it.isFile && (it.name == "build.gradle" || it.name == "build.gradle.kts")
+        }
+    }
+
+    private fun File.listDirs(): List<File> {
+        return listFiles().orEmpty().filter { it.isDirectory }
+    }
+}