BUG: A little bit more refactoring from BundleGenerator to DragNDropGenerator. See issue #8556. Thanks for Clinton Stimpson for the patch.

Source/CPack/cmCPackBundleGenerator.cxx

@@ -98,9 +98,6 @@ int cmCPackBundleGenerator::CompressFiles(const char* outFileName,
     }
 
   // Get optional arguments ...
-  const std::string cpack_package_icon = this->GetOption("CPACK_PACKAGE_ICON") 
-    ? this->GetOption("CPACK_PACKAGE_ICON") : "";
-
   const std::string cpack_bundle_startup_command = 
     this->GetOption("CPACK_BUNDLE_STARTUP_COMMAND") 
     ? this->GetOption("CPACK_BUNDLE_STARTUP_COMMAND") : "";
@@ -175,126 +172,5 @@ int cmCPackBundleGenerator::CompressFiles(const char* outFileName,
     cmSystemTools::SetPermissions(command_target.str().c_str(), 0777);
     }
 
-  // Add a symlink to /Applications so users can drag-and-drop the bundle
+  return this->CreateDMG(toplevel, outFileName);
-  // into it
-  cmOStringStream application_link;
-  application_link << staging.str() << "/Applications";
-  cmSystemTools::CreateSymlink("/Applications",
-    application_link.str().c_str());
-
-  // Optionally add a custom volume icon ...
-  if(!cpack_package_icon.empty())
-    {
-    cmOStringStream package_icon_source;
-    package_icon_source << cpack_package_icon;
-
-    cmOStringStream package_icon_destination;
-    package_icon_destination << staging.str() << "/.VolumeIcon.icns";
-
-    if(!this->CopyFile(package_icon_source, package_icon_destination))
-      {
-      cmCPackLogger(cmCPackLog::LOG_ERROR,
-        "Error copying disk volume icon.  "
-                    "Check the value of CPACK_PACKAGE_ICON."
-        << std::endl);
-
-      return 0;
-      }
-    }
-
-  // Create a temporary read-write disk image ...
-  cmOStringStream temp_image;
-  temp_image << this->GetOption("CPACK_TOPLEVEL_DIRECTORY") << "/temp.dmg";
-
-  cmOStringStream temp_image_command;
-  temp_image_command << this->GetOption("CPACK_COMMAND_HDIUTIL");
-  temp_image_command << " create";
-  temp_image_command << " -ov";
-  temp_image_command << " -srcfolder \"" << staging.str() << "\"";
-  temp_image_command << " -volname \""
-    << this->GetOption("CPACK_PACKAGE_FILE_NAME") << "\"";
-  temp_image_command << " -format UDRW";
-  temp_image_command << " \"" << temp_image.str() << "\"";
-
-  if(!this->RunCommand(temp_image_command))
-    {
-      cmCPackLogger(cmCPackLog::LOG_ERROR,
-        "Error generating temporary disk image."
-        << std::endl);
-
-    return 0;
-    }
-
-  // Optionally set the custom icon flag for the image ...
-  if(!cpack_package_icon.empty())
-    {
-    cmOStringStream temp_mount;
-
-    cmOStringStream attach_command;
-    attach_command << this->GetOption("CPACK_COMMAND_HDIUTIL");
-    attach_command << " attach";
-    attach_command << " \"" << temp_image.str() << "\"";
-
-    std::string attach_output;
-    if(!this->RunCommand(attach_command, &attach_output))
-      {
-      cmCPackLogger(cmCPackLog::LOG_ERROR,
-        "Error attaching temporary disk image."
-        << std::endl);
-
-      return 0;
-      }
-
-    cmsys::RegularExpression mountpoint_regex(".*(/Volumes/[^\n]+)\n.*");
-    mountpoint_regex.find(attach_output.c_str());
-    temp_mount << mountpoint_regex.match(1);
-
-    cmOStringStream setfile_command;
-    setfile_command << this->GetOption("CPACK_COMMAND_SETFILE");
-    setfile_command << " -a C";
-    setfile_command << " \"" << temp_mount.str() << "\"";
-
-    if(!this->RunCommand(setfile_command))
-      {
-      cmCPackLogger(cmCPackLog::LOG_ERROR,
-        "Error assigning custom icon to temporary disk image."
-        << std::endl);
-
-      return 0;
-      }
-
-    cmOStringStream detach_command;
-    detach_command << this->GetOption("CPACK_COMMAND_HDIUTIL");
-    detach_command << " detach";
-    detach_command << " \"" << temp_mount.str() << "\""; 
-
-    if(!this->RunCommand(detach_command))
-      {
-      cmCPackLogger(cmCPackLog::LOG_ERROR,
-        "Error detaching temporary disk image."
-        << std::endl);
-
-      return 0;
-      }
-    }
-
-  // Create the final compressed read-only disk image ...
-  cmOStringStream final_image_command;
-  final_image_command << this->GetOption("CPACK_COMMAND_HDIUTIL");
-  final_image_command << " convert \"" << temp_image.str() << "\"";
-  final_image_command << " -format UDZO";
-  final_image_command << " -imagekey";
-  final_image_command << " zlib-level=9";
-  final_image_command << " -o \"" << outFileName << "\"";
-
-  if(!this->RunCommand(final_image_command))
-    {
-    cmCPackLogger(cmCPackLog::LOG_ERROR,
-      "Error compressing disk image."
-      << std::endl);
-
-    return 0;
-    }
-
-  return 1;
 }

Source/CPack/cmCPackDragNDropGenerator.cxx

@@ -71,6 +71,59 @@ int cmCPackDragNDropGenerator::CompressFiles(const char* outFileName,
 {
   (void) files;
 
+  return this->CreateDMG(toplevel, outFileName);
+}
+
+//----------------------------------------------------------------------
+bool cmCPackDragNDropGenerator::CopyFile(cmOStringStream& source,
+  cmOStringStream& target)
+{
+  if(!cmSystemTools::CopyFileIfDifferent(
+    source.str().c_str(),
+    target.str().c_str()))
+    {
+    cmCPackLogger(cmCPackLog::LOG_ERROR,
+      "Error copying "
+      << source.str()
+      << " to "
+      << target.str()
+      << std::endl);
+
+    return false;
+    }
+
+  return true;
+}
+
+//----------------------------------------------------------------------
+bool cmCPackDragNDropGenerator::RunCommand(cmOStringStream& command,
+  std::string* output)
+{
+  int exit_code = 1;
+
+  bool result = cmSystemTools::RunSingleCommand(
+    command.str().c_str(),
+    output,
+    &exit_code,
+    0,
+    this->GeneratorVerbose,
+    0);
+
+  if(!result || exit_code)
+    {
+    cmCPackLogger(cmCPackLog::LOG_ERROR,
+      "Error executing: "
+      << command.str()
+      << std::endl);
+
+    return false;
+    }
+
+  return true;
+}
+  
+int cmCPackDragNDropGenerator::CreateDMG(const std::string& toplevel, const std::string& outFileName)
+{
   // Get optional arguments ...
   const std::string cpack_package_icon = this->GetOption("CPACK_PACKAGE_ICON") 
     ? this->GetOption("CPACK_PACKAGE_ICON") : "";
@@ -204,50 +257,3 @@ int cmCPackDragNDropGenerator::CompressFiles(const char* outFileName,
   return 1;
 }
 
-//----------------------------------------------------------------------
-bool cmCPackDragNDropGenerator::CopyFile(cmOStringStream& source,
-  cmOStringStream& target)
-{
-  if(!cmSystemTools::CopyFileIfDifferent(
-    source.str().c_str(),
-    target.str().c_str()))
-    {
-    cmCPackLogger(cmCPackLog::LOG_ERROR,
-      "Error copying "
-      << source.str()
-      << " to "
-      << target.str()
-      << std::endl);
-
-    return false;
-    }
-
-  return true;
-}
-
-//----------------------------------------------------------------------
-bool cmCPackDragNDropGenerator::RunCommand(cmOStringStream& command,
-  std::string* output)
-{
-  int exit_code = 1;
-
-  bool result = cmSystemTools::RunSingleCommand(
-    command.str().c_str(),
-    output,
-    &exit_code,
-    0,
-    this->GeneratorVerbose,
-    0);
-
-  if(!result || exit_code)
-    {
-    cmCPackLogger(cmCPackLog::LOG_ERROR,
-      "Error executing: "
-      << command.str()
-      << std::endl);
-
-    return false;
-    }
-
-  return true;
-}

Source/CPack/cmCPackDragNDropGenerator.h

@@ -39,6 +39,8 @@ protected:
 
   bool CopyFile(cmOStringStream& source, cmOStringStream& target);
   bool RunCommand(cmOStringStream& command, std::string* output = 0);
+  
+  virtual int CreateDMG(const std::string& installdir, const std::string& outdmg);
 
   std::string InstallPrefix;
 };