Add spigot server software option

.idea/workspace.xml

@@ -5,15 +5,10 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="98c311c3-6130-4449-9bcb-07029b56b776" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/org/strassburger/mcrun/downloader/SpigotServerJarDownloader.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/encodings.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/org/strassburger/mcrun/downloader/ServerJarDownloader.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/org/strassburger/mcrun/downloader/ServerJarDownloader.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/org/strassburger/mcrun/RunServerMojo.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/org/strassburger/mcrun/downloader/PaperServerJarDownloader.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/org/strassburger/mcrun/downloader/ServerJarDownloadException.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/main/java/org/strassburger/mcrun/downloader/ServerJarDownloader.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -23,8 +18,8 @@
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
-        <option value="Class" />
         <option value="Exception" />
+        <option value="Class" />
       </list>
     </option>
   </component>
@@ -61,7 +56,7 @@
       <updated>1779565206518</updated>
       <workItem from="1779565207730" duration="57000" />
       <workItem from="1779565274563" duration="632000" />
-      <workItem from="1779565913273" duration="4857000" />
+      <workItem from="1779565913273" duration="6524000" />
     </task>
     <servers />
   </component>

pom.xml

@@ -7,7 +7,7 @@
 
     <groupId>org.strassburger</groupId>
     <artifactId>mc-run</artifactId>
-    <version>0.0.7</version>
+    <version>0.0.8</version>
     <packaging>maven-plugin</packaging>
 
     <name>MCRun Maven Plugin</name>

src/main/java/org/strassburger/mcrun/downloader/ServerJarDownloader.java

@@ -41,12 +41,18 @@ public abstract class ServerJarDownloader {
         return new File(serverDirectory, serverJarName);
     }
 
+    protected File getServerDirectory() {
+        return serverDirectory;
+    }
+
     protected abstract void downloadServerJar() throws ServerJarDownloadException;
 
     public static Builder forServerSoftware(String serverSoftware) throws ServerJarDownloadException {
-        return switch (serverSoftware) {
+        return switch (serverSoftware.toLowerCase()) {
-            case "paper" -> new Builder(b ->
+            case "paper", "papermc" -> new Builder(b ->
                     new PaperServerJarDownloader(b.log, b.serverDirectory, b.serverJarName, b.mcVersion));
+            case "spigot" -> new Builder(b ->
+                    new SpigotServerJarDownloader(b.log, b.serverDirectory, b.serverJarName, b.mcVersion));
             default -> throw new ServerJarDownloadException("Invalid server software: " + serverSoftware);
         };
     }

src/main/java/org/strassburger/mcrun/downloader/SpigotServerJarDownloader.java

@@ -0,0 +1,123 @@
+package org.strassburger.mcrun.downloader;
+
+import org.apache.maven.plugin.logging.Log;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+
+public class SpigotServerJarDownloader extends ServerJarDownloader {
+    private static final String BUILD_TOOLS_URL =
+            "https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar";
+
+    public SpigotServerJarDownloader(Log log, File serverDirectory, String serverJarName, String mcVersion) {
+        super(log, serverDirectory, serverJarName, mcVersion);
+    }
+
+    @Override
+    protected void downloadServerJar() throws ServerJarDownloadException {
+        File spigotBuildDir = new File(getServerDirectory(), "spigot-build");
+        spigotBuildDir.mkdirs();
+        File buildToolsJar = new File(spigotBuildDir, "BuildTools.jar");
+        File builtJar = new File(spigotBuildDir, "spigot-" + getMcVersion() + ".jar");
+
+        try {
+            checkGitAvailable();
+            downloadBuildTools(buildToolsJar);
+            runBuildTools(buildToolsJar);
+            moveBuiltJar(builtJar);
+            cleanup(spigotBuildDir);
+        } catch (ServerJarDownloadException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new ServerJarDownloadException("Failed to build Spigot: " + e.getMessage(), e);
+        }
+    }
+
+    private void checkGitAvailable() throws ServerJarDownloadException {
+        try {
+            new ProcessBuilder("git", "--version").start().waitFor();
+        } catch (Exception e) {
+            throw new ServerJarDownloadException("Git is not installed or not on PATH. Required for BuildTools.");
+        }
+    }
+
+    private void downloadBuildTools(File dest) throws ServerJarDownloadException {
+        getLog().info("Downloading BuildTools...");
+        try (var in = new java.net.URI(BUILD_TOOLS_URL).toURL().openStream()) {
+            Files.copy(in, dest.toPath(), StandardCopyOption.REPLACE_EXISTING);
+        } catch (Exception e) {
+            throw new ServerJarDownloadException("Failed to download BuildTools: " + e.getMessage(), e);
+        }
+        getLog().info("BuildTools downloaded to: " + dest.getAbsolutePath());
+    }
+
+    private void runBuildTools(File buildToolsJar) throws ServerJarDownloadException {
+        getLog().info("Running BuildTools for Minecraft " + getMcVersion() + " (this may take several minutes)...");
+
+        ProcessBuilder pb = new ProcessBuilder(
+                "java", "-jar", buildToolsJar.getAbsolutePath(),
+                "--rev", getMcVersion(),
+                "--compile", "spigot"
+        );
+        pb.directory(buildToolsJar.getParentFile());
+        pb.redirectErrorStream(true);
+
+        try {
+            Process process = pb.start();
+
+            // Stream BuildTools output to the Maven log
+            try (var reader = new BufferedReader(
+                    new InputStreamReader(process.getInputStream()))) {
+                String line;
+                while ((line = reader.readLine()) != null) {
+                    getLog().info("[Spigot-BuildTools] " + line);
+                }
+            }
+
+            int exitCode = process.waitFor();
+            if (exitCode != 0) {
+                throw new ServerJarDownloadException("BuildTools exited with code " + exitCode);
+            }
+        } catch (IOException | InterruptedException e) {
+            if (e instanceof InterruptedException) Thread.currentThread().interrupt();
+            throw new ServerJarDownloadException("BuildTools process failed: " + e.getMessage(), e);
+        }
+
+        getLog().info("BuildTools finished successfully.");
+    }
+
+    private void moveBuiltJar(File builtJar) throws ServerJarDownloadException {
+        if (!builtJar.exists()) {
+            throw new ServerJarDownloadException(
+                    "Expected built jar not found: " + builtJar.getAbsolutePath() +
+                            ". Check BuildTools output above for errors."
+            );
+        }
+
+        File dest = getServerJar();
+        try {
+            Files.move(builtJar.toPath(), dest.toPath(), StandardCopyOption.REPLACE_EXISTING);
+        } catch (IOException e) {
+            throw new ServerJarDownloadException("Failed to move built jar: " + e.getMessage(), e);
+        }
+
+        getLog().info("Spigot jar ready at: " + dest.getAbsolutePath());
+    }
+
+    private void cleanup(File spigotBuildDir) {
+        getLog().info("Cleaning up Spigot-Build-tools...");
+        try {
+            Files.walk(spigotBuildDir.toPath())
+                    .sorted(java.util.Comparator.reverseOrder())
+                    .map(java.nio.file.Path::toFile)
+                    .forEach(File::delete);
+            getLog().info("Cleaned up " + spigotBuildDir.getAbsolutePath());
+        } catch (IOException e) {
+            getLog().warn("Failed to clean up build directory: " + e.getMessage());
+        }
+    }
+}