Remove inner class in mixin

.editorconfig

@@ -15,5 +15,8 @@ trim_trailing_whitespace = true
 [*.{bat,ini}]
 end_of_line = crlf
 
-[*.{dtd,json,mcmeta,md,sh,svg,xml,xsd,xsl,yaml,yml}]
+[*.{dtd,json,info,mcmeta,md,sh,svg,xml,xsd,xsl,yaml,yml}]
 indent_size = 2
+
+[*.lang]
+trim_trailing_whitespace = false

.gitattributes

@@ -0,0 +1,44 @@
+* text eol=lf
+
+*.[jJ][aA][rR]          binary
+
+*.[pP][nN][gG]          binary
+*.[jJ][pP][gG]          binary
+*.[jJ][pP][eE][gG]      binary
+*.[gG][iI][fF]          binary
+*.[tT][iI][fF]          binary
+*.[tT][iI][fF][fF]      binary
+*.[iI][cC][oO]          binary
+*.[sS][vV][gG]          text
+*.[eE][pP][sS]          binary
+*.[xX][cC][fF]          binary
+
+*.[kK][aA][rR]          binary
+*.[mM]4[aA]             binary
+*.[mM][iI][dD]          binary
+*.[mM][iI][dD][iI]      binary
+*.[mM][pP]3             binary
+*.[oO][gG][gG]          binary
+*.[rR][aA]              binary
+
+*.7[zZ]                 binary
+*.[gG][zZ]              binary
+*.[tT][aA][rR]          binary
+*.[tT][gG][zZ]          binary
+*.[zZ][iI][pP]          binary
+
+*.[tT][cC][nN]          binary
+*.[sS][oO]              binary
+*.[dD][lL][lL]          binary
+*.[dD][yY][lL][iI][bB]  binary
+*.[pP][sS][dD]          binary
+*.[tT][tT][fF]          binary
+*.[oO][tT][fF]          binary
+
+*.[pP][aA][tT][cC][hH]  -text
+
+*.[bB][aA][tT]          text eol=crlf
+*.[cC][mM][dD]          text eol=crlf
+*.[pP][sS]1             text eol=crlf
+
+*[aA][uU][tT][oO][gG][eE][nN][eE][rR][aA][tT][eE][dD]* binary

.github/scripts/update_version

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+if ! git diff --name-only HEAD HEAD~1 | grep -qF 'build.gradle'; then
+  new_version="$(date +%s)"
+  sed --in-place "s!^//version:.*!//version: $new_version!g" build.gradle
+  git add build.gradle
+  git commit -m "[ci skip] update build script version to $new_version"
+  git push
+  printf 'Updated buildscript version to %s\n' "$new_version"
+else
+  printf 'Ignored buildscript version update: no changes detected\n'
+fi

addon.gradle

@@ -1,5 +1,6 @@
 apply plugin: 'org.jetbrains.kotlin.jvm'
 apply plugin: 'com.github.gmazzo.buildconfig'
+apply plugin: 'org.jetbrains.kotlin.kapt'
 
 compileKotlin {
     kotlinOptions {
@@ -12,3 +13,21 @@ buildConfig {
     buildConfigField('String', 'MODVER', "\"${project.modVersion}\"")
     useKotlinOutput { topLevelConstants = true }
 }
+
+if (usesMixins.toBoolean()) {
+    def mixingConfigRefMap = 'mixins.' + modId + '.refmap.json'
+    def refMap = "${tasks.compileJava.temporaryDir}" + File.separator + mixingConfigRefMap
+    def mixinSrg = "${tasks.reobf.temporaryDir}" + File.separator + "mixins.srg"
+
+    kapt {
+        correctErrorTypes = true
+        javacOptions {
+            option("-AreobfSrgFile=${tasks.reobf.srg}")
+            option("-AoutSrgFile=$mixinSrg")
+            option("-AoutRefMapFile=$refMap")
+        }
+    }
+    jar {
+        from refMap
+    }
+}