Mixin versions

scripts/build.sh

@@ -23,8 +23,8 @@ fi
 echo "[Akarin] Ready to build"
 (
 	echo "[Akarin] Touch sources.."
-	yes|cp -rf "$basedir/sources/server/src" "$paperbasedir/Paper-Server/"
-	yes|cp -rf "$basedir/sources/server/pom.xml" "$paperbasedir/Paper-Server/"
+	yes|cp -rf "$basedir/sources/src" "$paperbasedir/Paper-Server/"
+	yes|cp -rf "$basedir/sources/pom.xml" "$paperbasedir/Paper-Server/"
 	
 	cd "$paperbasedir"
 	if [ "$2" == "--fast" ] || [ "$3" == "--fast" ] || [ "$4" == "--fast" ]; then
@@ -35,7 +35,7 @@ echo "[Akarin] Ready to build"
 	fi
 	
 	minecraftversion=$(cat "$paperworkdir/BuildData/info.json"  | grep minecraftVersion | cut -d '"' -f 4)
-	rawjar="$paperbasedir/Paper-Server/target/paper-$minecraftversion.jar"
+	rawjar="$paperbasedir/Paper-Server/target/akarin-$minecraftversion.jar"
 	yes|cp -rf "$rawjar" "$basedir/akarin-$minecraftversion.jar"
 	
 	echo ""

sources/src/main/java/io/akarin/api/mixin/MixinVersionCommand.java

@@ -0,0 +1,67 @@
+package io.akarin.api.mixin;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.defaults.VersionCommand;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(value = VersionCommand.class, remap = false)
+public class MixinVersionCommand {
+    @Shadow private static int getFromRepo(String repo, String hash) { return 0; }
+    
+    /**
+     * Match current version with repository and calculate the distance
+     * @param repo
+     * @param verInfo
+     * @return Version distance from lastest
+     */
+    @Overwrite
+    private static int getDistance(String repo, String verInfo) {
+        verInfo = verInfo.replace("\"", "");
+        return getFromRepo("Akarin-project/Akarin", verInfo);
+    }
+    
+    /**
+     * A workaround for unexpected calling
+     * @param currentVer
+     * @return Version distance from lastest
+     */
+    @Overwrite
+    private static int getFromJenkins(int currentVer) {
+        String[] parts = Bukkit.getVersion().substring("git-Akarin-".length()).split("[-\\s]");
+        return getFromRepo("Akarin-project/Akarin", parts[0]);
+    }
+    
+    @Shadow private void setVersionMessage(String msg) {}
+    private static boolean customVersion;
+    
+    @Overwrite
+    private void obtainVersion() {
+        // Skipping if detected
+        if (customVersion) return;
+        
+        String version = Bukkit.getVersion();
+        if (version == null) version = "Unique"; // Custom - > Unique
+        
+        if (version.startsWith("git-Akarin-")) {
+            String[] parts = version.substring("git-Akarin-".length()).split("[-\\s]");
+            int distance = getDistance(null, parts[0]);
+            switch (distance) {
+                case -1:
+                    setVersionMessage("Error obtaining version information");
+                    break;
+                case 0:
+                    setVersionMessage("You are running the latest version");
+                    break;
+                case -2:
+                    setVersionMessage("Unknown version");
+                    break;
+                default:
+                    setVersionMessage("You are " + distance + " version(s) behind");
+            }
+        } else {
+            customVersion = true;
+        }
+    }
+}

sources/src/main/java/io/akarin/server/mixin/core/Bootstrap.java

@@ -21,7 +21,7 @@ public class Bootstrap {
     }
     
     /*
-     * Notify message
+     * Redirect notify message
      */
     @Redirect(method = "main", at = @At(
             value = "INVOKE_STRING",

sources/src/main/java/io/akarin/server/mixin/core/network/NonblockingServerConnection.java

@@ -1,9 +1,6 @@
 package io.akarin.server.mixin.core.network;
 
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Overwrite;
-
-import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.ServerConnection;
 
 @Mixin(value = ServerConnection.class, remap = false)

sources/src/main/resources/mixins.akarin.core.json

@@ -9,6 +9,7 @@
         "DummyEula",
         "Watchcat",
         
+		"MixinVersionCommand",
         "MixinMinecraftServer"
     ]
 }