[robotpy parity] Write a deploy.json log file when deploying code

build.gradle

@@ -19,6 +19,8 @@ dependencies {
 
     api 'edu.wpi.first:native-utils:2025.6.0'
 
+    api 'org.eclipse.jgit:org.eclipse.jgit:6.10.+'
+
     api 'de.undercouch:gradle-download-task:4.1.2'
 
     testImplementation('org.spockframework:spock-core:2.0-M4-groovy-3.0') {

src/main/java/edu/wpi/first/gradlerio/deploy/CreateLogFileTask.java

@@ -0,0 +1,101 @@
+package edu.wpi.first.gradlerio.deploy;
+
+import com.google.gson.GsonBuilder;
+import com.google.gson.Gson;
+
+import org.codehaus.groovy.runtime.ResourceGroovyMethods;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
+import org.gradle.api.DefaultTask;
+import org.gradle.api.Project;
+import org.gradle.api.file.RegularFileProperty;
+import org.gradle.api.logging.LogLevel;
+import org.gradle.api.provider.Provider;
+import org.gradle.api.tasks.TaskAction;
+import org.gradle.api.tasks.OutputFile;
+
+import java.util.HashMap;
+
+import javax.inject.Inject;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.io.File;
+import java.time.LocalDateTime;
+
+public class CreateLogFileTask extends DefaultTask {
+    public static final String[] DEPLOY_ITEMS = {
+            "deployHost",
+            "deployUser",
+            "deployDate",
+            "codePath",
+            "gitHash",
+            "gitBranch",
+            "gitDesc",
+    };
+    private RegularFileProperty deployFile;
+    private String json;
+    private String gitDirectory;
+
+    @Inject
+    public CreateLogFileTask(Project project) {
+      deployFile = project.getObjects().fileProperty();
+    }
+
+    @TaskAction
+    public void execute() throws IOException {
+        deployFile.getAsFile().get().getParentFile().mkdirs();
+        HashMap<String, String> data = new HashMap<String, String>();
+        GsonBuilder builder = new GsonBuilder();
+        builder.setPrettyPrinting();
+        Gson jsongen = builder.create();
+
+        try {
+          Repository repository = new FileRepositoryBuilder().setGitDir(new File(gitDirectory))
+            .readEnvironment() // scan environment GIT_* variables
+            .findGitDir() // scan up the file system tree
+            .build();
+
+            try {
+                data.put(DEPLOY_ITEMS[4], repository.resolve("HEAD").toString());
+            } catch (Exception e) {
+                getLogger().log(LogLevel.WARN, "Couldn't get git hash");
+            }
+
+            try {
+                data.put(DEPLOY_ITEMS[5], repository.getBranch());
+            } catch (Exception e) {
+                getLogger().log(LogLevel.WARN, "Couldn't get git branch");
+            }
+            try {
+                data.put(DEPLOY_ITEMS[6], repository.getGitwebDescription());
+            } catch (Exception e) {
+                getLogger().log(LogLevel.WARN, "Couldn't get git description");
+            }
+        } catch (Exception e) {
+          getLogger().log(LogLevel.WARN, "Couldn't find git");
+        }
+
+        try {
+            data.put(DEPLOY_ITEMS[0], InetAddress.getLocalHost().getHostName());
+        } catch (IOException e) {
+            getLogger().log(LogLevel.WARN, "Couldn't get host name");
+        }
+
+        data.put(DEPLOY_ITEMS[1], System.getProperty("user.name"));
+        data.put(DEPLOY_ITEMS[2], LocalDateTime.now().toString());
+        data.put(DEPLOY_ITEMS[3], System.getProperty("user.dir"));
+
+        json = jsongen.toJson(data);
+        ResourceGroovyMethods.setText(deployFile.getAsFile().get(), json);
+    }
+
+    public void setGitDirectory(String dir) {
+        gitDirectory = dir;
+    }
+
+    @OutputFile
+    public RegularFileProperty getDeployFile() {
+        return deployFile;
+    };
+}

src/main/java/edu/wpi/first/gradlerio/deploy/FRCExtension.java

@@ -25,12 +25,19 @@ public FRCExtension(Project project, DeployExtension deployExtension) {
             t.getDebugFile().set(project.getLayout().getBuildDirectory().file("debug/debug_info.json"));
         });
 
+        deployLogFile = project.getTasks().register("writeDeployFile", CreateLogFileTask.class, t -> {
+            t.setGitDirectory(project.getRootDir().toString());
+            t.getDeployFile().set(project.getLayout().getBuildDirectory().file("debug/deploy_info.json"));
+        });
+
         deployExtension.getDeployTask().configure(t -> {
             t.dependsOn(debugFileTask);
+            t.dependsOn(deployLogFile);
         });
     }
 
     private final TaskProvider<DebugFileTask> debugFileTask;
+    private final TaskProvider<CreateLogFileTask> deployLogFile;
 
     public TaskProvider<DebugFileTask> getDebugFileTask() {
         return debugFileTask;