fix

.github/workflows/build.yml

@@ -26,6 +26,7 @@ jobs:
         run: |
           chmod +x gradlew
           ./gradlew build
+
       - name: Upload artifacts (fabric)
         uses: actions/upload-artifact@v3
         with:
@@ -36,3 +37,9 @@ jobs:
         with:
           name: forge
           path: ${{ github.workspace }}/forge/build/libs
+
+      - name: Upload artifacts (Forgix merged jar)
+        uses: actions/upload-artifact@v3
+        with:
+          name: merged
+          path: ${{ github.workspace }}/build/libs/forgix

build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id "architectury-plugin" version "3.4-SNAPSHOT"
+    id "io.github.pacifistmc.forgix" version "1.2.6"
     id "dev.architectury.loom" version "1.3-SNAPSHOT" apply false
 }
 
@@ -42,3 +43,19 @@ allprojects {
         withSourcesJar()
     }
 }
+
+forgix {
+    group = rootProject.maven_group
+    mergedJarName = "${rootProject.archives_base_name}-${project.version}.jar"
+    outputDir = "build/libs/forgix"
+
+    forge {
+        projectName = "forge"
+        jarLocation = "build/libs/${rootProject.archives_base_name}-forge-${ rootProject.version }.jar"
+    }
+
+    fabric {
+        projectName = "fabric"
+        jarLocation = "build/libs/${rootProject.archives_base_name}-fabric-${ rootProject.version }.jar"
+    }
+}