migrate to netstack

buildSrc/src/main/java/GolangBindTask.kt

@@ -16,11 +16,9 @@ open class GolangBindTask : DefaultTask() {
             
             require (
                 github.com/kr328/cfa v0.0.0 // redirect
-                github.com/Dreamacro/clash v0.0.0 // redirect
             )
             
             replace github.com/kr328/cfa v0.0.0 => {SOURCE_PATH}
-            replace github.com/Dreamacro/clash v0.0.0 => {SOURCE_PATH}/clash
         """.trimIndent()
         private val STUB_GO_FILE_CONTENT = """
             package main
@@ -29,6 +27,8 @@ open class GolangBindTask : DefaultTask() {
             
             func main() {}
         """.trimIndent()
+        private val REGEX_REPLACE_TARGET_LOCAL = Regex("=>\\s+\\./")
+        private val REGEX_REPLACE_SOURCE_VERSION = Regex("v.+\\s+=>")
     }
 
     private val javaOutput: File
@@ -90,7 +90,7 @@ open class GolangBindTask : DefaultTask() {
         "go get golang.org/x/mobile/cmd/gomobile".exec()
 
         FileWriter(goBindPath.resolve("go.mod")).use {
-            it.write(STUB_GO_MOD_CONTENT.replace("{SOURCE_PATH}", sourcePath.absolutePath))
+            it.write(appendReplace(sourcePath))
         }
         FileWriter(goBindPath.resolve("main.go")).use {
             it.write(STUB_GO_FILE_CONTENT)
@@ -152,6 +152,26 @@ open class GolangBindTask : DefaultTask() {
             ?: throw GradleException("Android SDK not found.")
     }
 
+    private fun appendReplace(source: File): String {
+        val replaces = source.walk()
+            .filter { it.name == "go.mod" }
+            .flatMap { file ->
+                file.readLines()
+                    .asSequence()
+                    .filter { line -> line.startsWith("replace") }
+                    .map { replace ->
+                        replace.replace(REGEX_REPLACE_TARGET_LOCAL, "=> " + file.parentFile.absolutePath + "/")
+                    }
+                    .map { replace ->
+                        replace.replace(REGEX_REPLACE_SOURCE_VERSION, " =>")
+                    }
+            }
+            .joinToString("\n")
+
+        return STUB_GO_MOD_CONTENT.replace("{SOURCE_PATH}", source.absolutePath) +
+                "\n\n" + replaces
+    }
+
     private fun String.exec(pwd: File = File(".")) {
         val process = with(ProcessBuilder()) {
             if (Os.isFamily(Os.FAMILY_WINDOWS))

buildSrc/src/main/java/MMDBDowloadTask.kt

@@ -8,7 +8,7 @@ import java.net.URL
 
 open class MMDBDowloadTask : DefaultTask() {
     companion object {
-        const val URL = "http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz"
+        const val URL = "https://github.com/Dreamacro/maxmind-geoip/releases/latest/download/Country.mmdb"
     }
 
     var output: String = ""