CPackIFW: Add support for Promoting Updates

Add support for this feature added by QtIFW 2.0.3:

  http://doc.qt.io/qtinstallerframework/ifw-updates.html

Add a `cpack_ifw_update_repository` command as porcelain.

9 files changed, 607 insertions, 91 deletions

diff --git a/Help/release/dev/cpack-ifw-updates.rst b/Help/release/dev/cpack-ifw-updates.rst
new file mode 100644
index 0000000000..868f46cfe2
--- /dev/null
+++ b/Help/release/dev/cpack-ifw-updates.rst
@@ -0,0 +1,6 @@
+cpack-ifw-updates
+-----------------
+
+* The :module:`CPackIFW` module gained a new
+  :command:`cpack_ifw_update_repository` command to update a QtIFW-specific
+  repository from a remote repository.
diff --git a/Modules/CPackIFW.cmake b/Modules/CPackIFW.cmake
index c089347198..4cfc9d231b 100644
--- a/Modules/CPackIFW.cmake
+++ b/Modules/CPackIFW.cmake
@@ -134,6 +134,7 @@
 #
 #  The default value of this variable is computed by CPack and contains
 #  all repositories added with command :command:`cpack_ifw_add_repository`
+#  or updated with command :command:`cpack_ifw_update_repository`.
 #
 # .. variable:: CPACK_IFW_DOWNLOAD_ALL
 #
@@ -249,7 +250,7 @@
 #
 # .. command:: cpack_ifw_add_repository
 #
-# Add QtIFW_ specific remote repository.
+# Add QtIFW_ specific remote repository to binary installer.
 #
 # ::
 #
@@ -272,6 +273,38 @@
 #
 # ``DISPLAY_NAME`` is string to display instead of the URL.
 #
+#
+# --------------------------------------------------------------------------
+#
+# .. command:: cpack_ifw_update_repository
+#
+# Update QtIFW_ specific repository from remote repository.
+#
+# ::
+#
+#   cpack_ifw_update_repository(<reponame>
+#                       [[ADD|REMOVE] URL <url>]|
+#                        [REPLACE OLD_URL <old_url> NEW_URL <new_url>]]
+#                       [USERNAME <username>]
+#                       [PASSWORD <password>]
+#                       [DISPLAY_NAME <display_name>])
+#
+# Specified will
+# This macro will also add the repository action
+# to a variable :variable:`CPACK_IFW_REPOSITORIES_ALL`
+#
+# ``URL`` is points to a list of available components.
+#
+# ``OLD_URL`` is points to a list that will replaced.
+#
+# ``NEW_URL`` is points to a list that will replace to.
+#
+# ``USERNAME`` is used as user on a protected repository.
+#
+# ``PASSWORD`` is password to use on a protected repository.
+#
+# ``DISPLAY_NAME`` is string to display instead of the URL.
+#
 # Example usage
 # ^^^^^^^^^^^^^
 #
@@ -331,6 +364,9 @@
 #  Predefined Variables
 #   http://doc.qt.io/qtinstallerframework/scripting.html#predefined-variables
 #
+#  Promoting Updates
+#   http://doc.qt.io/qtinstallerframework/ifw-updates.html
+#
 # Download Qt Installer Framework for you platform from Qt site:
 #  http://download.qt.io/official_releases/qt-installer-framework
 #
@@ -610,6 +646,51 @@ macro(cpack_ifw_add_repository reponame)
 
 endmacro()
 
+# Macro for updating repository
+macro(cpack_ifw_update_repository reponame)
+
+  string(TOUPPER ${reponame} _CPACK_IFWREPO_UNAME)
+
+  set(_IFW_OPT ADD REMOVE REPLACE DISABLED)
+  set(_IFW_ARGS URL OLD_URL NEW_URL USERNAME PASSWORD DISPLAY_NAME)
+  set(_IFW_MULTI_ARGS)
+  cmake_parse_arguments(CPACK_IFW_REPOSITORY_${_CPACK_IFWREPO_UNAME} "${_IFW_OPT}" "${_IFW_ARGS}" "${_IFW_MULTI_ARGS}" ${ARGN})
+
+  set(_CPACK_IFWREPO_STR "\n# Configuration for IFW repository \"${reponame}\" update\n")
+
+  foreach(_IFW_ARG_NAME ${_IFW_OPT})
+  cpack_append_option_set_command(
+    CPACK_IFW_REPOSITORY_${_CPACK_IFWREPO_UNAME}_${_IFW_ARG_NAME}
+    _CPACK_IFWREPO_STR)
+  endforeach()
+
+  foreach(_IFW_ARG_NAME ${_IFW_ARGS})
+  cpack_append_string_variable_set_command(
+    CPACK_IFW_REPOSITORY_${_CPACK_IFWREPO_UNAME}_${_IFW_ARG_NAME}
+    _CPACK_IFWREPO_STR)
+  endforeach()
+
+  foreach(_IFW_ARG_NAME ${_IFW_MULTI_ARGS})
+  cpack_append_variable_set_command(
+    CPACK_IFW_REPOSITORY_${_CPACK_IFWREPO_UNAME}_${_IFW_ARG_NAME}
+    _CPACK_IFWREPO_STR)
+  endforeach()
+
+  if(CPACK_IFW_REPOSITORY_${_CPACK_IFWREPO_UNAME}_ADD
+    OR CPACK_IFW_REPOSITORY_${_CPACK_IFWREPO_UNAME}_REMOVE
+    OR CPACK_IFW_REPOSITORY_${_CPACK_IFWREPO_UNAME}_REPLACE)
+    list(APPEND CPACK_IFW_REPOSITORIES_ALL ${reponame})
+    set(_CPACK_IFWREPO_STR "${_CPACK_IFWREPO_STR}list(APPEND CPACK_IFW_REPOSITORIES_ALL ${reponame})\n")
+  else()
+    set(_CPACK_IFWREPO_STR)
+  endif()
+
+  if(CPack_CMake_INCLUDED AND _CPACK_IFWREPO_STR)
+    file(APPEND "${CPACK_OUTPUT_CONFIG_FILE}" "${_CPACK_IFWREPO_STR}")
+  endif()
+
+endmacro()
+
 # Resolve package control script
 _cpack_ifw_resolve_script(CPACK_IFW_PACKAGE_CONTROL_SCRIPT)
 
diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 467b6926db..3223831f0f 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -662,6 +662,7 @@ set(CPACK_SRCS
   CPack/cmCPackNSISGenerator.cxx
   CPack/IFW/cmCPackIFWPackage.cxx
   CPack/IFW/cmCPackIFWInstaller.cxx
+  CPack/IFW/cmCPackIFWRepository.cxx
   CPack/IFW/cmCPackIFWGenerator.cxx
   CPack/cmCPackSTGZGenerator.cxx
   CPack/cmCPackTGZGenerator.cxx
diff --git a/Source/CPack/IFW/cmCPackIFWGenerator.cxx b/Source/CPack/IFW/cmCPackIFWGenerator.cxx
index 2c25f43a29..c1ff526cf4 100644
--- a/Source/CPack/IFW/cmCPackIFWGenerator.cxx
+++ b/Source/CPack/IFW/cmCPackIFWGenerator.cxx
@@ -12,9 +12,6 @@
 
 #include "cmCPackIFWGenerator.h"
 
-#include "cmCPackIFWInstaller.h"
-#include "cmCPackIFWPackage.h"
-
 #include <CPack/cmCPackComponentGroup.h>
 #include <CPack/cmCPackLog.h>
 
@@ -72,7 +69,7 @@ int cmCPackIFWGenerator::PackageFiles()
   ifwTmpFile += "/IFWOutput.log";
 
   // Run repogen
-  if (!Installer.Repositories.empty()) {
+  if (!Installer.RemoteRepositories.empty()) {
     std::string ifwCmd = RepoGen;
 
     if (IsVersionLess("2.0.0")) {
@@ -117,6 +114,14 @@ int cmCPackIFWGenerator::PackageFiles()
                       << std::endl);
       return 0;
     }
+
+    if (!Repository.RepositoryUpdate.empty() &&
+        !Repository.PatchUpdatesXml()) {
+      cmCPackLogger(cmCPackLog::LOG_WARNING, "Problem patch IFW \"Updates\" "
+                      << "file: " << this->toplevel + "/repository/Updates.xml"
+                      << std::endl);
+    }
+
     cmCPackLogger(cmCPackLog::LOG_OUTPUT, "- repository: "
                     << this->toplevel << "/repository generated" << std::endl);
   }
@@ -137,7 +142,7 @@ int cmCPackIFWGenerator::PackageFiles()
     if (OnlineOnly) {
       ifwCmd += " --online-only";
     } else if (!DownloadedPackages.empty() &&
-               !Installer.Repositories.empty()) {
+               !Installer.RemoteRepositories.empty()) {
       ifwCmd += " -e ";
       std::set<cmCPackIFWPackage*>::iterator it = DownloadedPackages.begin();
       ifwCmd += (*it)->Name;
@@ -272,6 +277,24 @@ int cmCPackIFWGenerator::InitializeInternal()
   Installer.Generator = this;
   Installer.ConfigureFromOptions();
 
+  // Repository
+  Repository.Generator = this;
+  Repository.Name = "Unspecified";
+  if (const char* site = this->GetOption("CPACK_DOWNLOAD_SITE")) {
+    Repository.Url = site;
+    Installer.RemoteRepositories.push_back(&Repository);
+  }
+
+  // Repositories
+  if (const char* RepoAllStr = this->GetOption("CPACK_IFW_REPOSITORIES_ALL")) {
+    std::vector<std::string> RepoAllVector;
+    cmSystemTools::ExpandListArgument(RepoAllStr, RepoAllVector);
+    for (std::vector<std::string>::iterator rit = RepoAllVector.begin();
+         rit != RepoAllVector.end(); ++rit) {
+      GetRepository(*rit);
+    }
+  }
+
   if (const char* ifwDownloadAll = this->GetOption("CPACK_IFW_DOWNLOAD_ALL")) {
     OnlineOnly = cmSystemTools::IsOn(ifwDownloadAll);
   } else if (const char* cpackDownloadAll =
@@ -281,7 +304,7 @@ int cmCPackIFWGenerator::InitializeInternal()
     OnlineOnly = false;
   }
 
-  if (!Installer.Repositories.empty() && RepoGen.empty()) {
+  if (!Installer.RemoteRepositories.empty() && RepoGen.empty()) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Cannot find QtIFW repository generator \"repogen\": "
                   "likely it is not installed, or not in your PATH"
@@ -507,6 +530,33 @@ cmCPackIFWPackage* cmCPackIFWGenerator::GetComponentPackage(
   return pit != ComponentPackages.end() ? pit->second : 0;
 }
 
+cmCPackIFWRepository* cmCPackIFWGenerator::GetRepository(
+  const std::string& repositoryName)
+{
+  RepositoriesMap::iterator rit = Repositories.find(repositoryName);
+  if (rit != Repositories.end())
+    return &(rit->second);
+
+  cmCPackIFWRepository* repository = &Repositories[repositoryName];
+  repository->Name = repositoryName;
+  repository->Generator = this;
+  if (repository->ConfigureFromOptions()) {
+    if (repository->Update == cmCPackIFWRepository::None) {
+      Installer.RemoteRepositories.push_back(repository);
+    } else {
+      Repository.RepositoryUpdate.push_back(repository);
+    }
+  } else {
+    Repositories.erase(repositoryName);
+    repository = 0;
+    cmCPackLogger(cmCPackLog::LOG_WARNING, "Invalid repository \""
+                    << repositoryName << "\""
+                    << " configuration. Repository will be skipped."
+                    << std::endl);
+  }
+  return repository;
+}
+
 void cmCPackIFWGenerator::WriteGeneratedByToStrim(cmXMLWriter& xout)
 {
   std::stringstream comment;
diff --git a/Source/CPack/IFW/cmCPackIFWGenerator.h b/Source/CPack/IFW/cmCPackIFWGenerator.h
index d8cc562f93..2b35749d50 100644
--- a/Source/CPack/IFW/cmCPackIFWGenerator.h
+++ b/Source/CPack/IFW/cmCPackIFWGenerator.h
@@ -17,6 +17,7 @@
 
 #include "cmCPackIFWInstaller.h"
 #include "cmCPackIFWPackage.h"
+#include "cmCPackIFWRepository.h"
 
 class cmXMLWriter;
 
@@ -31,6 +32,7 @@ public:
   cmCPackTypeMacro(cmCPackIFWGenerator, cmCPackGenerator);
 
   typedef std::map<std::string, cmCPackIFWPackage> PackagesMap;
+  typedef std::map<std::string, cmCPackIFWRepository> RepositoriesMap;
   typedef std::map<std::string, cmCPackComponent> ComponentsMap;
   typedef std::map<std::string, cmCPackComponentGroup> ComponentGoupsMap;
   typedef std::map<std::string, cmCPackIFWPackage::DependenceStruct>
@@ -122,6 +124,8 @@ protected:
   cmCPackIFWPackage* GetGroupPackage(cmCPackComponentGroup* group) const;
   cmCPackIFWPackage* GetComponentPackage(cmCPackComponent* component) const;
 
+  cmCPackIFWRepository* GetRepository(const std::string& repositoryName);
+
   void WriteGeneratedByToStrim(cmXMLWriter& xout);
 
 protected:
@@ -129,11 +133,16 @@ protected:
 
   friend class cmCPackIFWPackage;
   friend class cmCPackIFWInstaller;
+  friend class cmCPackIFWRepository;
 
   // Installer
   cmCPackIFWInstaller Installer;
+  // Repository
+  cmCPackIFWRepository Repository;
   // Collection of packages
   PackagesMap Packages;
+  // Collection of repositories
+  RepositoriesMap Repositories;
   // Collection of binary packages
   std::set<cmCPackIFWPackage*> BinaryPackages;
   // Collection of downloaded packages
diff --git a/Source/CPack/IFW/cmCPackIFWInstaller.cxx b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
index b9a98615b9..dfc509bc62 100644
--- a/Source/CPack/IFW/cmCPackIFWInstaller.cxx
+++ b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
@@ -159,57 +159,6 @@ void cmCPackIFWInstaller::ConfigureFromOptions()
     AdminTargetDir = option;
   }
 
-  // Repositories
-  Repositories.clear();
-  RepositoryStruct Repo;
-  if (const char* site = this->GetOption("CPACK_DOWNLOAD_SITE")) {
-    Repo.Url = site;
-    Repositories.push_back(Repo);
-  }
-  if (const char* RepoAllStr = this->GetOption("CPACK_IFW_REPOSITORIES_ALL")) {
-    std::vector<std::string> RepoAllVector;
-    cmSystemTools::ExpandListArgument(RepoAllStr, RepoAllVector);
-    for (std::vector<std::string>::iterator rit = RepoAllVector.begin();
-         rit != RepoAllVector.end(); ++rit) {
-      std::string prefix =
-        "CPACK_IFW_REPOSITORY_" + cmsys::SystemTools::UpperCase(*rit) + "_";
-      // Url
-      if (const char* url = GetOption(prefix + "URL")) {
-        Repo.Url = url;
-      } else {
-        Repo.Url = "";
-      }
-      // Enabled
-      if (IsOn(prefix + "DISABLED")) {
-        Repo.Enabled = "0";
-      } else {
-        Repo.Enabled = "";
-      }
-      // Username
-      if (const char* username = GetOption(prefix + "USERNAME")) {
-        Repo.Username = username;
-      } else {
-        Repo.Username = "";
-      }
-      // Password
-      if (const char* password = GetOption(prefix + "PASSWORD")) {
-        Repo.Password = password;
-      } else {
-        Repo.Password = "";
-      }
-      // DisplayName
-      if (const char* displayName = GetOption(prefix + "DISPLAY_NAME")) {
-        Repo.DisplayName = displayName;
-      } else {
-        Repo.DisplayName = "";
-      }
-
-      if (!Repo.Url.empty()) {
-        Repositories.push_back(Repo);
-      }
-    }
-  }
-
   // Maintenance tool
   if (const char* optIFW_MAINTENANCE_TOOL =
         this->GetOption("CPACK_IFW_PACKAGE_MAINTENANCE_TOOL_NAME")) {
@@ -320,30 +269,11 @@ void cmCPackIFWInstaller::GenerateInstallerFile()
   }
 
   // Remote repositories
-  if (!Repositories.empty()) {
+  if (!RemoteRepositories.empty()) {
     xout.StartElement("RemoteRepositories");
-    for (std::vector<RepositoryStruct>::iterator rit = Repositories.begin();
-         rit != Repositories.end(); ++rit) {
-      xout.StartElement("Repository");
-      // Url
-      xout.Element("Url", rit->Url);
-      // Enabled
-      if (!rit->Enabled.empty()) {
-        xout.Element("Enabled", rit->Enabled);
-      }
-      // Username
-      if (!rit->Username.empty()) {
-        xout.Element("Username", rit->Username);
-      }
-      // Password
-      if (!rit->Password.empty()) {
-        xout.Element("Password", rit->Password);
-      }
-      // DisplayName
-      if (!rit->DisplayName.empty()) {
-        xout.Element("DisplayName", rit->DisplayName);
-      }
-      xout.EndElement();
+    for (RepositoriesVector::iterator rit = RemoteRepositories.begin();
+         rit != RemoteRepositories.end(); ++rit) {
+      (*rit)->WriteRepositoryConfig(xout);
     }
     xout.EndElement();
   }
diff --git a/Source/CPack/IFW/cmCPackIFWInstaller.h b/Source/CPack/IFW/cmCPackIFWInstaller.h
index 84a789e2d5..3170116b1a 100644
--- a/Source/CPack/IFW/cmCPackIFWInstaller.h
+++ b/Source/CPack/IFW/cmCPackIFWInstaller.h
@@ -17,6 +17,7 @@
 
 class cmCPackIFWPackage;
 class cmCPackIFWGenerator;
+class cmCPackIFWRepository;
 class cmXMLWriter;
 
 /** \class cmCPackIFWInstaller
@@ -28,15 +29,7 @@ public:
   // Types
 
   typedef std::map<std::string, cmCPackIFWPackage*> PackagesMap;
-
-  struct RepositoryStruct
-  {
-    std::string Url;
-    std::string Enabled;
-    std::string Username;
-    std::string Password;
-    std::string DisplayName;
-  };
+  typedef std::vector<cmCPackIFWRepository*> RepositoriesVector;
 
 public:
   // Constructor
@@ -115,7 +108,7 @@ public:
 
   cmCPackIFWGenerator* Generator;
   PackagesMap Packages;
-  std::vector<RepositoryStruct> Repositories;
+  RepositoriesVector RemoteRepositories;
   std::string Directory;
 
 protected:
diff --git a/Source/CPack/IFW/cmCPackIFWRepository.cxx b/Source/CPack/IFW/cmCPackIFWRepository.cxx
new file mode 100644
index 0000000000..b149f81430
--- /dev/null
+++ b/Source/CPack/IFW/cmCPackIFWRepository.cxx
@@ -0,0 +1,341 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+
+#include "cmCPackIFWRepository.h"
+
+#include "cmCPackIFWGenerator.h"
+
+#include <CPack/cmCPackLog.h>
+
+#include <cmGeneratedFileStream.h>
+#include <cmXMLParser.h>
+#include <cmXMLWriter.h>
+
+#ifdef cmCPackLogger
+#undef cmCPackLogger
+#endif
+#define cmCPackLogger(logType, msg)                                           \
+  do {                                                                        \
+    std::ostringstream cmCPackLog_msg;                                        \
+    cmCPackLog_msg << msg;                                                    \
+    if (Generator) {                                                          \
+      Generator->Logger->Log(logType, __FILE__, __LINE__,                     \
+                             cmCPackLog_msg.str().c_str());                   \
+    }                                                                         \
+  } while (0)
+
+cmCPackIFWRepository::cmCPackIFWRepository()
+  : Update(None)
+  , Generator(0)
+{
+}
+
+bool cmCPackIFWRepository::IsValid() const
+{
+  bool valid = true;
+
+  switch (Update) {
+    case None:
+      valid = Url.empty() ? false : true;
+      break;
+    case Add:
+      valid = Url.empty() ? false : true;
+      break;
+    case Remove:
+      valid = Url.empty() ? false : true;
+      break;
+    case Replace:
+      valid = (OldUrl.empty() || NewUrl.empty()) ? false : true;
+      break;
+  }
+
+  return valid;
+}
+
+const char* cmCPackIFWRepository::GetOption(const std::string& op) const
+{
+  return Generator ? Generator->GetOption(op) : 0;
+}
+
+bool cmCPackIFWRepository::IsOn(const std::string& op) const
+{
+  return Generator ? Generator->IsOn(op) : false;
+}
+
+bool cmCPackIFWRepository::IsVersionLess(const char* version)
+{
+  return Generator ? Generator->IsVersionLess(version) : false;
+}
+
+bool cmCPackIFWRepository::IsVersionGreater(const char* version)
+{
+  return Generator ? Generator->IsVersionGreater(version) : false;
+}
+
+bool cmCPackIFWRepository::IsVersionEqual(const char* version)
+{
+  return Generator ? Generator->IsVersionEqual(version) : false;
+}
+
+bool cmCPackIFWRepository::ConfigureFromOptions()
+{
+  // Name;
+  if (Name.empty())
+    return false;
+
+  std::string prefix =
+    "CPACK_IFW_REPOSITORY_" + cmsys::SystemTools::UpperCase(Name) + "_";
+
+  // Update
+  if (IsOn(prefix + "ADD")) {
+    Update = Add;
+  } else if (IsOn(prefix + "REMOVE")) {
+    Update = Remove;
+  } else if (IsOn(prefix + "REPLACE")) {
+    Update = Replace;
+  } else {
+    Update = None;
+  }
+
+  // Url
+  if (const char* url = GetOption(prefix + "URL")) {
+    Url = url;
+  } else {
+    Url = "";
+  }
+
+  // Old url
+  if (const char* oldUrl = GetOption(prefix + "OLD_URL")) {
+    OldUrl = oldUrl;
+  } else {
+    OldUrl = "";
+  }
+
+  // New url
+  if (const char* newUrl = GetOption(prefix + "NEW_URL")) {
+    NewUrl = newUrl;
+  } else {
+    NewUrl = "";
+  }
+
+  // Enabled
+  if (IsOn(prefix + "DISABLED")) {
+    Enabled = "0";
+  } else {
+    Enabled = "";
+  }
+
+  // Username
+  if (const char* username = GetOption(prefix + "USERNAME")) {
+    Username = username;
+  } else {
+    Username = "";
+  }
+
+  // Password
+  if (const char* password = GetOption(prefix + "PASSWORD")) {
+    Password = password;
+  } else {
+    Password = "";
+  }
+
+  // DisplayName
+  if (const char* displayName = GetOption(prefix + "DISPLAY_NAME")) {
+    DisplayName = displayName;
+  } else {
+    DisplayName = "";
+  }
+
+  return IsValid();
+}
+
+/** \class cmCPackeIFWUpdatesPatcher
+ * \brief Helper class that parses and patch Updates.xml file (QtIFW)
+ */
+class cmCPackeIFWUpdatesPatcher : public cmXMLParser
+{
+public:
+  cmCPackeIFWUpdatesPatcher(cmCPackIFWRepository* r, cmXMLWriter& x)
+    : repository(r)
+    , xout(x)
+    , patched(false)
+  {
+  }
+
+  cmCPackIFWRepository* repository;
+  cmXMLWriter& xout;
+  bool patched;
+
+protected:
+  virtual void StartElement(const std::string& name, const char** atts)
+  {
+    xout.StartElement(name);
+    StartFragment(atts);
+  }
+
+  void StartFragment(const char** atts)
+  {
+    for (size_t i = 0; atts[i]; i += 2) {
+      const char* key = atts[i];
+      const char* value = atts[i + 1];
+      xout.Attribute(key, value);
+    }
+  }
+
+  virtual void EndElement(const std::string& name)
+  {
+    if (name == "Updates" && !patched) {
+      repository->WriteRepositoryUpdates(xout);
+      patched = true;
+    }
+    xout.EndElement();
+    if (patched)
+      return;
+    if (name == "Checksum") {
+      repository->WriteRepositoryUpdates(xout);
+      patched = true;
+    }
+  }
+
+  virtual void CharacterDataHandler(const char* data, int length)
+  {
+    std::string content(data, data + length);
+    if (content == "" || content == " " || content == "  " || content == "\n")
+      return;
+    xout.Content(content);
+  }
+};
+
+bool cmCPackIFWRepository::PatchUpdatesXml()
+{
+  // Lazy directory initialization
+  if (Directory.empty() && Generator) {
+    Directory = Generator->toplevel;
+  }
+
+  // Filenames
+  std::string updatesXml = Directory + "/repository/Updates.xml";
+  std::string updatesPatchXml = Directory + "/repository/UpdatesPatch.xml";
+
+  // Output stream
+  cmGeneratedFileStream fout(updatesPatchXml.data());
+  cmXMLWriter xout(fout);
+
+  xout.StartDocument();
+
+  WriteGeneratedByToStrim(xout);
+
+  // Patch
+  {
+    cmCPackeIFWUpdatesPatcher patcher(this, xout);
+    patcher.ParseFile(updatesXml.data());
+  }
+
+  xout.EndDocument();
+
+  fout.Close();
+
+  if (!cmSystemTools::RenameFile(updatesPatchXml.data(), updatesXml.data())) {
+    return false;
+  }
+
+  return true;
+}
+
+void cmCPackIFWRepository::WriteRepositoryConfig(cmXMLWriter& xout)
+{
+  xout.StartElement("Repository");
+
+  // Url
+  xout.Element("Url", Url);
+  // Enabled
+  if (!Enabled.empty()) {
+    xout.Element("Enabled", Enabled);
+  }
+  // Username
+  if (!Username.empty()) {
+    xout.Element("Username", Username);
+  }
+  // Password
+  if (!Password.empty()) {
+    xout.Element("Password", Password);
+  }
+  // DisplayName
+  if (!DisplayName.empty()) {
+    xout.Element("DisplayName", DisplayName);
+  }
+
+  xout.EndElement();
+}
+
+void cmCPackIFWRepository::WriteRepositoryUpdate(cmXMLWriter& xout)
+{
+  xout.StartElement("Repository");
+
+  switch (Update) {
+    case None:
+      break;
+    case Add:
+      xout.Attribute("action", "add");
+      break;
+    case Remove:
+      xout.Attribute("action", "remove");
+      break;
+    case Replace:
+      xout.Attribute("action", "replace");
+      break;
+  }
+
+  // Url
+  if (Update == Add || Update == Remove) {
+    xout.Attribute("url", Url);
+  } else if (Update == Replace) {
+    xout.Attribute("oldurl", OldUrl);
+    xout.Attribute("newurl", NewUrl);
+  }
+  // Enabled
+  if (!Enabled.empty()) {
+    xout.Attribute("enabled", Enabled);
+  }
+  // Username
+  if (!Username.empty()) {
+    xout.Attribute("username", Username);
+  }
+  // Password
+  if (!Password.empty()) {
+    xout.Attribute("password", Password);
+  }
+  // DisplayName
+  if (!DisplayName.empty()) {
+    xout.Attribute("displayname", DisplayName);
+  }
+
+  xout.EndElement();
+}
+
+void cmCPackIFWRepository::WriteRepositoryUpdates(cmXMLWriter& xout)
+{
+  if (!RepositoryUpdate.empty()) {
+    xout.StartElement("RepositoryUpdate");
+    for (RepositoriesVector::iterator rit = RepositoryUpdate.begin();
+         rit != RepositoryUpdate.end(); ++rit) {
+      (*rit)->WriteRepositoryUpdate(xout);
+    }
+    xout.EndElement();
+  }
+}
+
+void cmCPackIFWRepository::WriteGeneratedByToStrim(cmXMLWriter& xout)
+{
+  if (Generator)
+    Generator->WriteGeneratedByToStrim(xout);
+}
diff --git a/Source/CPack/IFW/cmCPackIFWRepository.h b/Source/CPack/IFW/cmCPackIFWRepository.h
new file mode 100644
index 0000000000..5ffb775af7
--- /dev/null
+++ b/Source/CPack/IFW/cmCPackIFWRepository.h
@@ -0,0 +1,105 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+
+#ifndef cmCPackIFWRepository_h
+#define cmCPackIFWRepository_h
+
+#include <cmStandardIncludes.h>
+
+class cmCPackIFWGenerator;
+class cmXMLWriter;
+
+/** \class cmCPackIFWRepository
+ * \brief A remote repository to be created CPack IFW generator
+ */
+class cmCPackIFWRepository
+{
+public:
+  // Types
+
+  enum Action
+  {
+    None,
+    Add,
+    Remove,
+    Replace
+  };
+
+  typedef std::vector<cmCPackIFWRepository*> RepositoriesVector;
+
+public:
+  // Constructor
+
+  /**
+   * Construct repository
+   */
+  cmCPackIFWRepository();
+
+public:
+  // Configuration
+
+  /// Internal repository name
+  std::string Name;
+
+  /// Optional update action
+  Action Update;
+
+  /// Is points to a list of available components
+  std::string Url;
+
+  /// Is points to a list that will replaced
+  std::string OldUrl;
+
+  /// Is points to a list that will replace to
+  std::string NewUrl;
+
+  /// With "0" disabling this repository
+  std::string Enabled;
+
+  /// Is used as user on a protected repository
+  std::string Username;
+
+  /// Is password to use on a protected repository
+  std::string Password;
+
+  /// Is optional string to display instead of the URL
+  std::string DisplayName;
+
+public:
+  // Internal implementation
+
+  bool IsValid() const;
+
+  const char* GetOption(const std::string& op) const;
+  bool IsOn(const std::string& op) const;
+
+  bool IsVersionLess(const char* version);
+  bool IsVersionGreater(const char* version);
+  bool IsVersionEqual(const char* version);
+
+  bool ConfigureFromOptions();
+
+  bool PatchUpdatesXml();
+
+  void WriteRepositoryConfig(cmXMLWriter& xout);
+  void WriteRepositoryUpdate(cmXMLWriter& xout);
+  void WriteRepositoryUpdates(cmXMLWriter& xout);
+
+  cmCPackIFWGenerator* Generator;
+  RepositoriesVector RepositoryUpdate;
+  std::string Directory;
+
+protected:
+  void WriteGeneratedByToStrim(cmXMLWriter& xout);
+};
+
+#endif // cmCPackIFWRepository_h