Delete temporary files on exit

app/src/processing/app/Base.java

@@ -32,6 +32,7 @@
 import cc.arduino.contributions.packages.ContributionsIndexer;
 import cc.arduino.contributions.DownloadableContributionVersionComparator;
 import cc.arduino.contributions.packages.ui.ContributionManagerUI;
+import cc.arduino.files.DeleteFilesOnShutdown;
 import cc.arduino.packages.DiscoveryManager;
 import cc.arduino.utils.Progress;
 import cc.arduino.view.SplashScreenHelper;
@@ -127,6 +128,8 @@ static public void main(String args[]) throws Exception {
   }
 
   static public void guardedMain(String args[]) throws Exception {
+    Runtime.getRuntime().addShutdownHook(new Thread(DeleteFilesOnShutdown.INSTANCE));
+
     BaseNoGui.initLogger();
 
     BaseNoGui.notifier = new GUIUserNotifier();
@@ -202,7 +205,7 @@ static public void guardedMain(String args[]) throws Exception {
 
     // Create a location for untitled sketches
     untitledFolder = createTempFolder("untitled");
-    untitledFolder.deleteOnExit();
+    DeleteFilesOnShutdown.add(untitledFolder);
 
     new Base(args);
   }
@@ -401,6 +404,7 @@ protected void onProgress(Progress progress) {
         // Set verbosity for command line build
         Preferences.set("build.verbose", "" + parser.isDoVerboseBuild());
         Preferences.set("upload.verbose", "" + parser.isDoVerboseUpload());
+        Preferences.set("runtime.preserve.temp.files", Boolean.toString(parser.isPreserveTempFiles()));
 
         // Make sure these verbosity preferences are only for the
         // current session

app/src/processing/app/EditorConsoleStream.java

@@ -1,5 +1,7 @@
 package processing.app;
 
+import cc.arduino.files.DeleteFilesOnShutdown;
+
 import static processing.app.I18n._;
 
 import java.io.File;
@@ -33,19 +35,19 @@ public static void init() {
       // The files and folders are not deleted on exit because they may be
       // needed for debugging or bug reporting.
       tempFolder = Base.createTempFolder("console");
-      tempFolder.deleteOnExit();
+      DeleteFilesOnShutdown.add(tempFolder);
       try {
         String outFileName = Preferences.get("console.output.file");
         if (outFileName != null) {
           outFile = new File(tempFolder, outFileName);
-          outFile.deleteOnExit();
+          DeleteFilesOnShutdown.add(outFile);
           stdoutFile = new FileOutputStream(outFile);
         }
 
         String errFileName = Preferences.get("console.error.file");
         if (errFileName != null) {
           errFile = new File(tempFolder, errFileName);
-          errFile.deleteOnExit();
+          DeleteFilesOnShutdown.add(errFile);
           stderrFile = new FileOutputStream(errFile);
         }
       } catch (IOException e) {

app/test/processing/app/AbstractGUITest.java

@@ -1,5 +1,6 @@
 package processing.app;
 
+import cc.arduino.files.DeleteFilesOnShutdown;
 import org.fest.swing.edt.FailOnThreadViolationRepaintManager;
 import org.fest.swing.edt.GuiActionRunner;
 import org.fest.swing.edt.GuiQuery;
@@ -16,6 +17,7 @@ public abstract class AbstractGUITest {
   @Before
   public void startUpTheIDE() throws Exception {
     System.setProperty("mrj.version", "whynot"); //makes sense only on osx. See https://github.com/alexruiz/fest-swing-1.x/issues/2#issuecomment-86532042
+    Runtime.getRuntime().addShutdownHook(new Thread(DeleteFilesOnShutdown.INSTANCE));
 
     FailOnThreadViolationRepaintManager.install();
 
@@ -25,7 +27,7 @@ public void startUpTheIDE() throws Exception {
     Theme.init();
     Base.getPlatform().setLookAndFeel();
     Base.untitledFolder = Base.createTempFolder("untitled");
-    Base.untitledFolder.deleteOnExit();
+    DeleteFilesOnShutdown.add(Base.untitledFolder);
 
     window = GuiActionRunner.execute(new GuiQuery<ArduinoFrameFixture>() {
       @Override

app/test/processing/app/AbstractWithPreferencesTest.java

@@ -1,17 +1,19 @@
 package processing.app;
 
+import cc.arduino.files.DeleteFilesOnShutdown;
 import org.junit.Before;
 
 public abstract class AbstractWithPreferencesTest {
 
   @Before
   public void init() throws Exception {
+    Runtime.getRuntime().addShutdownHook(new Thread(DeleteFilesOnShutdown.INSTANCE));
     Base.initPlatform();
     Preferences.init(null);
     Theme.init();
 
     Base.untitledFolder = Base.createTempFolder("untitled");
-    Base.untitledFolder.deleteOnExit();
-
+    DeleteFilesOnShutdown.add(Base.untitledFolder);
   }
+
 }

arduino-core/src/cc/arduino/files/DeleteFilesOnShutdown.java

@@ -0,0 +1,47 @@
+package cc.arduino.files;
+
+import processing.app.PreferencesData;
+import processing.app.helpers.FileUtils;
+
+import java.io.File;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+public class DeleteFilesOnShutdown implements Runnable {
+
+  public static final DeleteFilesOnShutdown INSTANCE = new DeleteFilesOnShutdown();
+
+  public static void add(File file) {
+    INSTANCE.addFile(file);
+  }
+
+  private final List<File> files;
+
+  public DeleteFilesOnShutdown() {
+    this.files = new LinkedList<File>();
+  }
+
+  public synchronized void addFile(File file) {
+    this.files.add(file);
+  }
+
+  @Override
+  public void run() {
+    boolean preserveTempFiles = PreferencesData.getBoolean("runtime.preserve.temp.files");
+    if (preserveTempFiles) {
+      return;
+    }
+    List<File> copyOfFiles;
+    synchronized (this) {
+      copyOfFiles = new LinkedList<File>(files);
+    }
+    Collections.reverse(copyOfFiles);
+    for (File file : copyOfFiles) {
+      if (file.exists() && file.canWrite()) {
+        FileUtils.recursiveDelete(file);
+      }
+    }
+  }
+
+}

arduino-core/src/processing/app/BaseNoGui.java

@@ -1,11 +1,11 @@
 package processing.app;
 
 import cc.arduino.contributions.libraries.LibrariesIndexer;
+import cc.arduino.files.DeleteFilesOnShutdown;
 import cc.arduino.packages.DiscoveryManager;
 import cc.arduino.packages.Uploader;
 import cc.arduino.contributions.packages.ContributedTool;
 import cc.arduino.contributions.packages.ContributionsIndexer;
-import cc.arduino.utils.ArchiveExtractor;
 import org.apache.commons.logging.impl.LogFactoryImpl;
 import org.apache.commons.logging.impl.NoOpLog;
 import processing.app.debug.Compiler;
@@ -133,7 +133,7 @@ static public File getBuildFolder() {
         //File folder = new File(getTempFolder(), "build");
         //if (!folder.exists()) folder.mkdirs();
         buildFolder = createTempFolder("build");
-        buildFolder.deleteOnExit();
+        DeleteFilesOnShutdown.add(buildFolder);
       }
     }
     return buildFolder;
@@ -703,6 +703,8 @@ static public void main(String args[]) throws Exception {
     if (args.length == 0)
       showError(_("No parameters"), _("No command line parameters found"), null);
 
+    Runtime.getRuntime().addShutdownHook(new Thread(DeleteFilesOnShutdown.INSTANCE));
+
     initPlatform();
 
     initPortableFolder();

arduino-core/src/processing/app/helpers/CommandlineParser.java

@@ -36,6 +36,7 @@ private enum ACTION {
   private boolean doVerboseBuild = false;
   private boolean doVerboseUpload = false;
   private boolean doUseProgrammer = false;
+  private boolean preserveTempFiles;
   private boolean noUploadPort = false;
   private boolean forceSavePrefs = false;
   private String getPref;
@@ -105,6 +106,12 @@ private void parseArguments(String[] args) {
           action = ACTION.NOOP;
         continue;
       }
+      if (args[i].equals("--preserve-temp-files")) {
+        preserveTempFiles = true;
+        if (action == ACTION.GUI)
+          action = ACTION.NOOP;
+        continue;
+      }
       if (args[i].equals("--verbose-build")) {
         doVerboseBuild = true;
         if (action == ACTION.GUI)
@@ -330,4 +337,8 @@ public String getBoardToInstall() {
   public String getLibraryToInstall() {
     return libraryToInstall;
   }
+
+  public boolean isPreserveTempFiles() {
+    return preserveTempFiles;
+  }
 }

build/shared/manpage.adoc

@@ -25,7 +25,7 @@ SYNOPSIS
 --------
 *arduino* ['FILE.ino'...]
 
-*arduino* [*--verify*|*--upload*] [*--board* __package__:__arch__:__board__[:__parameters__]] [*--port* __portname__] [*--pref* __name__=__value__] [*-v*|*--verbose*] [__FILE.ino__]
+*arduino* [*--verify*|*--upload*] [*--board* __package__:__arch__:__board__[:__parameters__]] [*--port* __portname__] [*--pref* __name__=__value__] [*-v*|*--verbose*] [--preserve-temp-files] [__FILE.ino__]
 
 *arduino* [*--get-pref* __preference__]
 
@@ -117,6 +117,10 @@ OPTIONS
 	verbose mode during build is *disabled* regardless of the current
 	preferences.
 
+*--preserve-temp-files*::
+	Keep temporary files (preprocessed sketch, object files...) after termination.
+	If omitted, temporary files are deleted.
+
 {empty}::
 	This option is only valid together with *--verify* or
 	*--upload*.