Attached is the new patch with Eike's recommendations.

Pedro
From d291fde15c8e94ec5c9b93f96714554acf706d02 Mon Sep 17 00:00:00 2001
From: Pedro Navarro <pnava...@netflix.com>
Date: Tue, 1 Oct 2013 18:49:47 -0700
Subject: [PATCH] Perforce support for CTest

---
 Modules/CTest.cmake                   |    5 +
 Modules/DartConfiguration.tcl.in      |    7 +
 Source/CMakeLists.txt                 |    2 +
 Source/CTest/cmCTestP4.cxx            |  569 +++++++++++++++++++++++++++++++++
 Source/CTest/cmCTestP4.h              |   71 ++++
 Source/CTest/cmCTestUpdateCommand.cxx |    8 +
 Source/CTest/cmCTestUpdateHandler.cxx |   26 +-
 Source/CTest/cmCTestUpdateHandler.h   |    1 +
 Tests/CMakeLists.txt                  |   23 ++
 Tests/CTestUpdateCommon.cmake         |    2 +-
 Tests/CTestUpdateP4.cmake.in          |  263 +++++++++++++++
 11 files changed, 975 insertions(+), 2 deletions(-)
 create mode 100644 Source/CTest/cmCTestP4.cxx
 create mode 100644 Source/CTest/cmCTestP4.h
 create mode 100644 Tests/CTestUpdateP4.cmake.in

diff --git a/Modules/CTest.cmake b/Modules/CTest.cmake
index 643cd29..ada8655 100644
--- a/Modules/CTest.cmake
+++ b/Modules/CTest.cmake
@@ -149,6 +149,7 @@ if(BUILD_TESTING)
   find_program(BZRCOMMAND bzr)
   find_program(HGCOMMAND hg)
   find_program(GITCOMMAND git)
+  find_program(P4COMMAND p4)
 
   if(NOT UPDATE_TYPE)
     if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/CVS")
@@ -180,6 +181,9 @@ if(BUILD_TESTING)
   elseif("${_update_type}" STREQUAL "git")
     set(UPDATE_COMMAND "${GITCOMMAND}")
     set(UPDATE_OPTIONS "${GIT_UPDATE_OPTIONS}")
+  elseif("${_update_type}" STREQUAL "p4")
+    set(UPDATE_COMMAND "${P4COMMAND}")
+    set(UPDATE_OPTIONS "${P4_UPDATE_OPTIONS}")
   endif()
 
   set(DART_TESTING_TIMEOUT 1500 CACHE STRING
@@ -275,6 +279,7 @@ if(BUILD_TESTING)
     CVS_UPDATE_OPTIONS
     DART_TESTING_TIMEOUT
     GITCOMMAND
+    P4COMMAND
     HGCOMMAND
     MAKECOMMAND
     MEMORYCHECK_COMMAND
diff --git a/Modules/DartConfiguration.tcl.in b/Modules/DartConfiguration.tcl.in
index 9e49ac7..68fadf6 100644
--- a/Modules/DartConfiguration.tcl.in
+++ b/Modules/DartConfiguration.tcl.in
@@ -52,6 +52,13 @@ GITCommand: @GITCOMMAND@
 GITUpdateOptions: @GIT_UPDATE_OPTIONS@
 GITUpdateCustom: @CTEST_GIT_UPDATE_CUSTOM@
 
+# Perforce options
+P4Command: @P4COMMAND@
+P4Client: @CTEST_P4_CLIENT@
+P4Options: @CTEST_P4_OPTIONS@
+P4UpdateOptions: @CTEST_P4_UPDATE_OPTIONS@
+P4UpdateCustom: @CTEST_P4_UPDATE_CUSTOM@
+
 # Generic update command
 UpdateCommand: @UPDATE_COMMAND@
 UpdateOptions: @UPDATE_OPTIONS@
diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 01e4f88..fd97a20 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -465,6 +465,8 @@ set(CTEST_SRCS cmCTest.cxx
   CTest/cmCTestGIT.h
   CTest/cmCTestHG.cxx
   CTest/cmCTestHG.h
+  CTest/cmCTestP4.cxx
+  CTest/cmCTestP4.h
   )
 
 # Build CTestLib
diff --git a/Source/CTest/cmCTestP4.cxx b/Source/CTest/cmCTestP4.cxx
new file mode 100644
index 0000000..ac33997
--- /dev/null
+++ b/Source/CTest/cmCTestP4.cxx
@@ -0,0 +1,569 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2013 Kitware, Inc.
+
+  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 "cmCTestP4.h"
+
+#include "cmCTest.h"
+#include "cmSystemTools.h"
+#include "cmXMLSafe.h"
+
+#include <cmsys/RegularExpression.hxx>
+#include <cmsys/ios/sstream>
+#include <cmsys/Process.h>
+
+#include <sys/types.h>
+#include <time.h>
+#include <ctype.h>
+
+//----------------------------------------------------------------------------
+cmCTestP4::cmCTestP4(cmCTest* ct, std::ostream& log):
+  cmCTestGlobalVC(ct, log)
+{
+  this->PriorRev = this->Unknown;
+}
+
+//----------------------------------------------------------------------------
+cmCTestP4::~cmCTestP4()
+{
+}
+
+//----------------------------------------------------------------------------
+class cmCTestP4::IdentifyParser: public cmCTestVC::LineParser
+{
+public:
+  IdentifyParser(cmCTestP4* p4, const char* prefix,
+                 std::string& rev): Rev(rev)
+    {
+    this->SetLog(&p4->Log, prefix);
+    this->RegexIdentify.compile("^Change ([0-9]+) on");
+    }
+private:
+  std::string& Rev;
+  cmsys::RegularExpression RegexIdentify;
+
+  bool ProcessLine()
+    {
+    if(this->RegexIdentify.find(this->Line))
+      {
+      this->Rev = this->RegexIdentify.match(1);
+      return false;
+      }
+    return true;
+    }
+};
+
+//----------------------------------------------------------------------------
+class cmCTestP4::ChangesParser: public cmCTestVC::LineParser
+{
+public:
+  ChangesParser(cmCTestP4* p4, const char* prefix) : P4(p4)
+    {
+    this->SetLog(&P4->Log, prefix);
+    this->RegexIdentify.compile("^Change ([0-9]+) on");
+    }
+private:
+  cmsys::RegularExpression RegexIdentify;
+  cmCTestP4* P4;
+
+  bool ProcessLine()
+    {
+    if(this->RegexIdentify.find(this->Line))
+      {
+      P4->ChangeLists.push_back(this->RegexIdentify.match(1));
+      }
+    return true;
+    }
+};
+
+//----------------------------------------------------------------------------
+class cmCTestP4::UserParser: public cmCTestVC::LineParser
+{
+public:
+  UserParser(cmCTestP4* p4, const char* prefix) : P4(p4)
+    {
+    this->SetLog(&P4->Log, prefix);
+    this->RegexUser.compile("^(.+) <(.*)> \\((.*)\\) accessed (.*)$");
+    }
+private:
+  cmsys::RegularExpression RegexUser;
+  cmCTestP4* P4;
+
+  bool ProcessLine()
+    {
+    if(this->RegexUser.find(this->Line))
+      {
+      User NewUser;
+
+      NewUser.UserName = this->RegexUser.match(1);
+      NewUser.EMail = this->RegexUser.match(2);
+      NewUser.Name = this->RegexUser.match(3);
+      NewUser.AccessTime = this->RegexUser.match(4);
+      P4->Users[this->RegexUser.match(1)] = NewUser;
+
+      return false;
+      }
+    return true;
+    }
+};
+
+//----------------------------------------------------------------------------
+/* Diff format:
+==== //depot/file#rev - /absolute/path/to/file ====
+(diff data)
+==== //depot/file2#rev - /absolute/path/to/file2 ====
+(diff data)
+==== //depot/file3#rev - /absolute/path/to/file3 ====
+==== //depot/file4#rev - /absolute/path/to/file4 ====
+(diff data)
+*/
+class cmCTestP4::DiffParser: public cmCTestVC::LineParser
+{
+public:
+  DiffParser(cmCTestP4* p4, const char* prefix)
+             : P4(p4), AlreadyNotified(false)
+    {
+    this->SetLog(&P4->Log, prefix);
+    this->RegexDiff.compile("^==== (.*)#[0-9]+ - (.*)");
+    }
+private:
+  cmCTestP4* P4;
+  bool AlreadyNotified;
+  std::string CurrentPath;
+  cmsys::RegularExpression RegexDiff;
+
+  bool ProcessLine()
+    {
+    if(!this->Line.empty() && this->Line[0] == '='
+       && this->RegexDiff.find(this->Line))
+      {
+        std::string Path = this->RegexDiff.match(1);
+        // See if we need to remove the //depot prefix
+        if(Path.length() > 2 && Path[0] == '/' && Path[1] == '/')
+          {
+          std::size_t found = Path.find('/', 2);
+          if(found != std::string::npos)
+            {
+            Path = Path.substr(found + 1);
+            }
+          }
+        CurrentPath = Path;
+        AlreadyNotified = false;
+      }
+    else
+      {
+      if(!AlreadyNotified)
+        {
+        P4->DoModification(PathModified, CurrentPath);
+        AlreadyNotified = true;
+        }
+      }
+    return true;
+    }
+};
+
+//----------------------------------------------------------------------------
+cmCTestP4::User cmCTestP4::GetUserData(const std::string& username)
+{
+  std::map<std::string, cmCTestP4::User>::const_iterator it =
+          Users.find(username);
+
+  if(it == Users.end())
+    {
+    std::vector<char const*> p4_users;
+    SetP4Options(p4_users);
+    p4_users.push_back("users");
+    p4_users.push_back("-m");
+    p4_users.push_back("1");
+    p4_users.push_back(username.c_str());
+    p4_users.push_back(0);
+
+    UserParser out(this, "users-out> ");
+    OutputLogger err(this->Log, "users-err> ");
+    RunChild(&p4_users[0], &out, &err);
+
+    // The user should now be added to the map. Search again.
+    it = Users.find(username);
+    if(it == Users.end())
+      {
+      return cmCTestP4::User();
+      }
+    }
+
+  return it->second;
+}
+
+//----------------------------------------------------------------------------
+/* Commit format:
+
+Change 1111111 by user@client on 2013/09/26 11:50:36
+
+        text
+        text
+
+Affected files ...
+
+... //path/to/file#rev edit
+... //path/to/file#rev add
+... //path/to/file#rev delete
+... //path/to/file#rev integrate
+*/
+class cmCTestP4::DescribeParser: public cmCTestVC::LineParser
+{
+public:
+  DescribeParser(cmCTestP4* p4, const char* prefix):
+      LineParser('\n', false), P4(p4), Section(SectionHeader)
+    {
+    this->SetLog(&P4->Log, prefix);
+    this->RegexHeader.compile("^Change ([0-9]+) by (.+)@(.+) on (.*)$");
+    this->RegexDiff.compile("^\\.\\.\\. (.*)#[0-9]+ ([^ ]+)$");
+    }
+private:
+  cmsys::RegularExpression RegexHeader;
+  cmsys::RegularExpression RegexDiff;
+  cmCTestP4* P4;
+
+  typedef cmCTestP4::Revision Revision;
+  typedef cmCTestP4::Change Change;
+  std::vector<Change> Changes;
+  enum SectionType { SectionHeader, SectionBody, SectionDiffHeader,
+                     SectionDiff, SectionCount };
+  SectionType Section;
+  Revision Rev;
+
+  virtual bool ProcessLine()
+    {
+    if(this->Line.empty())
+      {
+      this->NextSection();
+      }
+    else
+      {
+      switch(this->Section)
+        {
+        case SectionHeader:     this->DoHeaderLine(); break;
+        case SectionBody:       this->DoBodyLine(); break;
+        case SectionDiffHeader: break; // nothing to do
+        case SectionDiff:       this->DoDiffLine(); break;
+        case SectionCount:      break; // never happens
+        }
+      }
+      return true;
+      }
+
+  void NextSection()
+    {
+    if(this->Section == SectionDiff)
+    {
+      this->P4->DoRevision(this->Rev, this->Changes);
+      this->Rev = Revision();
+    }
+
+    this->Section = SectionType((this->Section+1) % SectionCount);
+    }
+
+  void DoHeaderLine()
+    {
+    if(this->RegexHeader.find(this->Line))
+      {
+      this->Rev.Rev = this->RegexHeader.match(1);
+      this->Rev.Date = this->RegexHeader.match(4);
+
+      cmCTestP4::User user = P4->GetUserData(this->RegexHeader.match(2));
+      this->Rev.Author = user.Name;
+      this->Rev.EMail = user.EMail;
+
+      this->Rev.Committer = this->Rev.Author;
+      this->Rev.CommitterEMail = this->Rev.EMail;
+      this->Rev.CommitDate = this->Rev.Date;
+      }
+    }
+
+  void DoBodyLine()
+    {
+    if(this->Line[0] == '\t')
+      {
+      this->Rev.Log += this->Line.substr(1);
+      }
+    this->Rev.Log += "\n";
+    }
+
+  void DoDiffLine()
+    {
+    if(this->RegexDiff.find(this->Line))
+    {
+    Change change;
+    std::string Path = this->RegexDiff.match(1);
+    if(Path.length() > 2 && Path[0] == '/' && Path[1] == '/')
+      {
+      std::size_t found = Path.find('/', 2);
+      if(found != std::string::npos)
+        {
+        Path = Path.substr(found + 1);
+        }
+      }
+
+    change.Path = Path;
+    std::string action = this->RegexDiff.match(2);
+
+    if(action == "add")
+      {
+      change.Action = 'A';
+      }
+    else if(action == "delete")
+      {
+      change.Action = 'D';
+      }
+    else if(action == "edit" || action == "integrate")
+      {
+      change.Action = 'M';
+      }
+
+    Changes.push_back(change);
+    }
+  }
+};
+
+//----------------------------------------------------------------------------
+void cmCTestP4::SetP4Options(std::vector<char const*> &CommandOptions)
+{
+  if(P4Options.size() == 0)
+    {
+    const char* p4 = this->CommandLineTool.c_str();
+    P4Options.push_back(p4);
+
+    //The CTEST_P4_CLIENT variable sets the P4 client used when issuing
+    //Perforce commands, if it's different from the default one.
+    std::string client = this->CTest->GetCTestConfiguration("P4Client");
+    if(!client.empty())
+      {
+      P4Options.push_back("-c");
+      P4Options.push_back(client);
+      }
+
+    //Set the message language to be English, in case the P4 admin
+    //has localized them
+    P4Options.push_back("-L");
+    P4Options.push_back("en");
+
+    //The CTEST_P4_OPTIONS variable adds additional Perforce command line
+    //options before the main command
+    std::string opts = this->CTest->GetCTestConfiguration("P4Options");
+    std::vector<cmStdString> args =
+            cmSystemTools::ParseArguments(opts.c_str());
+
+    for(std::vector<cmStdString>::const_iterator ai = args.begin();
+        ai != args.end(); ++ai)
+      {
+      P4Options.push_back(ai->c_str());
+      }
+    }
+
+  CommandOptions.clear();
+  std::vector<std::string>::size_type i;
+
+  for(i=0; i<P4Options.size(); i++)
+    {
+    CommandOptions.push_back(P4Options[i].c_str());
+    }
+}
+
+//----------------------------------------------------------------------------
+std::string cmCTestP4::GetWorkingRevision()
+{
+  std::vector<char const*> p4_identify;
+  SetP4Options(p4_identify);
+
+  p4_identify.push_back("changes");
+  p4_identify.push_back("-m");
+  p4_identify.push_back("1");
+  p4_identify.push_back("-t");
+
+  std::string source = this->SourceDirectory + "/...#have";
+  p4_identify.push_back(source.c_str());
+  p4_identify.push_back(0);
+
+  std::string rev;
+  IdentifyParser out(this, "rev-out> ", rev);
+  OutputLogger err(this->Log, "rev-err> ");
+
+  RunChild(&p4_identify[0], &out, &err);
+
+  return rev;
+}
+
+//----------------------------------------------------------------------------
+void cmCTestP4::NoteOldRevision()
+{
+  this->OldRevision = this->GetWorkingRevision();
+  if(this->OldRevision.empty())
+    {
+    this->OldRevision = "0";
+    }
+
+  cmCTestLog(this->CTest, HANDLER_OUTPUT, "   Old revision of repository is: "
+             << this->OldRevision << "\n");
+  this->PriorRev.Rev = this->OldRevision;
+}
+
+//----------------------------------------------------------------------------
+void cmCTestP4::NoteNewRevision()
+{
+  this->NewRevision = this->GetWorkingRevision();
+  if(this->NewRevision.empty())
+    {
+    this->NewRevision = "0";
+    }
+  cmCTestLog(this->CTest, HANDLER_OUTPUT, "   New revision of repository is: "
+             << this->NewRevision << "\n");
+}
+
+//----------------------------------------------------------------------------
+void cmCTestP4::LoadRevisions()
+{
+  std::vector<char const*> p4_changes;
+  SetP4Options(p4_changes);
+
+  // Use 'p4 changes ...@old,new' to get a list of changelists
+  std::string range = this->SourceDirectory + "/...";
+
+  if(this->OldRevision != "0")
+    {
+    range.append("@").append(this->OldRevision);
+    }
+
+  if(this->NewRevision != "0")
+    {
+    if(this->OldRevision != "0")
+      {
+      range.append(",").append(this->NewRevision);
+      }
+    else
+      {
+      range.append("@").append(this->NewRevision);
+      }
+    }
+
+  p4_changes.push_back("changes");
+  p4_changes.push_back(range.c_str());
+  p4_changes.push_back(0);
+
+  ChangesParser out(this, "changes-out> ");
+  OutputLogger err(this->Log, "changes-err> ");
+
+  ChangeLists.clear();
+  this->RunChild(&p4_changes[0], &out, &err);
+
+  if(ChangeLists.size() == 0)
+      return;
+
+  //p4 describe -s ...@1111111,2222222
+  std::vector<char const*> p4_describe;
+  for(int i=ChangeLists.size()-1; i >= 0; i--)
+    {
+    SetP4Options(p4_describe);
+    p4_describe.push_back("describe");
+    p4_describe.push_back("-s");
+    p4_describe.push_back(ChangeLists[i].c_str());
+    p4_describe.push_back(0);
+
+    DescribeParser outDescribe(this, "describe-out> ");
+    OutputLogger errDescribe(this->Log, "describe-err> ");
+    this->RunChild(&p4_describe[0], &outDescribe, &errDescribe);
+    }
+}
+
+//----------------------------------------------------------------------------
+void cmCTestP4::LoadModifications()
+{
+  std::vector<char const*> p4_diff;
+  SetP4Options(p4_diff);
+
+  p4_diff.push_back("diff");
+
+  //Ideally we would use -Od but not all clients support it
+  p4_diff.push_back("-dn");
+  std::string source = this->SourceDirectory + "/...";
+  p4_diff.push_back(source.c_str());
+  p4_diff.push_back(0);
+
+  DiffParser out(this, "diff-out> ");
+  OutputLogger err(this->Log, "diff-err> ");
+  this->RunChild(&p4_diff[0], &out, &err);
+}
+
+//----------------------------------------------------------------------------
+bool cmCTestP4::UpdateCustom(const std::string& custom)
+{
+  std::vector<std::string> p4_custom_command;
+  cmSystemTools::ExpandListArgument(custom, p4_custom_command, true);
+
+  std::vector<char const*> p4_custom;
+  for(std::vector<std::string>::const_iterator
+        i = p4_custom_command.begin(); i != p4_custom_command.end(); ++i)
+    {
+    p4_custom.push_back(i->c_str());
+    }
+  p4_custom.push_back(0);
+
+  OutputLogger custom_out(this->Log, "custom-out> ");
+  OutputLogger custom_err(this->Log, "custom-err> ");
+
+  return this->RunUpdateCommand(&p4_custom[0], &custom_out, &custom_err);
+}
+
+//----------------------------------------------------------------------------
+bool cmCTestP4::UpdateImpl()
+{
+  std::string custom = this->CTest->GetCTestConfiguration("P4UpdateCustom");
+  if(!custom.empty())
+    {
+    return this->UpdateCustom(custom);
+    }
+
+  std::vector<char const*> p4_sync;
+  SetP4Options(p4_sync);
+
+  p4_sync.push_back("sync");
+
+  // Get user-specified update options.
+  std::string opts = this->CTest->GetCTestConfiguration("UpdateOptions");
+  if(opts.empty())
+    {
+    opts = this->CTest->GetCTestConfiguration("P4UpdateOptions");
+    }
+  std::vector<cmStdString> args = cmSystemTools::ParseArguments(opts.c_str());
+  for(std::vector<cmStdString>::const_iterator ai = args.begin();
+      ai != args.end(); ++ai)
+    {
+    p4_sync.push_back(ai->c_str());
+    }
+
+  std::string source = this->SourceDirectory + "/...";
+
+  // Specify the start time for nightly testing.
+  if(this->CTest->GetTestModel() == cmCTest::NIGHTLY)
+    {
+    std::string date = this->GetNightlyTime();
+    //CTest reports the date as YYYY-MM-DD, Perforce needs it as YYYY/MM/DD
+    std::replace(date.begin(), date.end(), '-', '/');
+
+    //Revision specification: /...@"YYYY/MM/DD HH:MM:SS"
+    source.append("@\"").append(date).append("\"");
+    }
+
+  p4_sync.push_back(source.c_str());
+  p4_sync.push_back(0);
+
+  OutputLogger out(this->Log, "sync-out> ");
+  OutputLogger err(this->Log, "sync-err> ");
+
+  return this->RunUpdateCommand(&p4_sync[0], &out, &err);
+}
diff --git a/Source/CTest/cmCTestP4.h b/Source/CTest/cmCTestP4.h
new file mode 100644
index 0000000..7a53475
--- /dev/null
+++ b/Source/CTest/cmCTestP4.h
@@ -0,0 +1,71 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2013 Kitware, Inc.
+
+  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 cmCTestP4_h
+#define cmCTestP4_h
+
+#include "cmCTestGlobalVC.h"
+#include <vector>
+#include <map>
+
+/** \class cmCTestP4
+ * \brief Interaction with the Perforce command-line tool
+ *
+ */
+class cmCTestP4: public cmCTestGlobalVC
+{
+public:
+  /** Construct with a CTest instance and update log stream.  */
+  cmCTestP4(cmCTest* ctest, std::ostream& log);
+
+  virtual ~cmCTestP4();
+
+private:
+  std::vector<std::string> ChangeLists;
+
+  struct User
+    {
+    std::string UserName;
+    std::string Name;
+    std::string EMail;
+    std::string AccessTime;
+
+    User(): UserName(), Name(), EMail(), AccessTime() {}
+    };
+  std::map<std::string, User> Users;
+  std::vector<std::string> P4Options;
+
+  User GetUserData(const std::string& username);
+  void SetP4Options(std::vector<char const*> &options);
+
+  std::string GetWorkingRevision();
+  virtual void NoteOldRevision();
+  virtual void NoteNewRevision();
+  virtual bool UpdateImpl();
+  bool UpdateCustom(const std::string& custom);
+
+  void LoadRevisions();
+  void LoadModifications();
+
+  // Parsing helper classes.
+  class IdentifyParser;
+  class ChangesParser;
+  class UserParser;
+  class DescribeParser;
+  class DiffParser;
+  friend class IdentifyParser;
+  friend class ChangesParser;
+  friend class UserParser;
+  friend class DescribeParser;
+  friend class DiffParser;
+};
+
+#endif
diff --git a/Source/CTest/cmCTestUpdateCommand.cxx b/Source/CTest/cmCTestUpdateCommand.cxx
index 2ca9f6c..5408a8a 100644
--- a/Source/CTest/cmCTestUpdateCommand.cxx
+++ b/Source/CTest/cmCTestUpdateCommand.cxx
@@ -59,6 +59,14 @@ cmCTestGenericHandler* cmCTestUpdateCommand::InitializeHandler()
     "HGCommand", "CTEST_HG_COMMAND");
   this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
     "HGUpdateOptions", "CTEST_HG_UPDATE_OPTIONS");
+  this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
+    "P4Command", "CTEST_P4_COMMAND");
+  this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
+    "P4UpdateOptions", "CTEST_P4_UPDATE_OPTIONS");
+  this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
+    "P4Client", "CTEST_P4_CLIENT");
+  this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
+    "P4Options", "CTEST_P4_OPTIONS");
 
   cmCTestGenericHandler* handler
     = this->CTest->GetInitializedHandler("update");
diff --git a/Source/CTest/cmCTestUpdateHandler.cxx b/Source/CTest/cmCTestUpdateHandler.cxx
index 9eae3f3..11474ec 100644
--- a/Source/CTest/cmCTestUpdateHandler.cxx
+++ b/Source/CTest/cmCTestUpdateHandler.cxx
@@ -28,6 +28,7 @@
 #include "cmCTestBZR.h"
 #include "cmCTestGIT.h"
 #include "cmCTestHG.h"
+#include "cmCTestP4.h"
 
 #include <cmsys/auto_ptr.hxx>
 
@@ -51,7 +52,8 @@ static const char* cmCTestUpdateHandlerUpdateStrings[] =
   "SVN",
   "BZR",
   "GIT",
-  "HG"
+  "HG",
+  "P4"
 };
 
 static const char* cmCTestUpdateHandlerUpdateToString(int type)
@@ -146,6 +148,10 @@ int cmCTestUpdateHandler::DetermineType(const char* cmd, const char* type)
       {
       return cmCTestUpdateHandler::e_HG;
       }
+    if ( stype.find("p4") != std::string::npos )
+      {
+      return cmCTestUpdateHandler::e_P4;
+      }
     }
   else
     {
@@ -172,6 +178,10 @@ int cmCTestUpdateHandler::DetermineType(const char* cmd, const char* type)
       {
       return cmCTestUpdateHandler::e_HG;
       }
+    if ( stype.find("p4") != std::string::npos )
+      {
+      return cmCTestUpdateHandler::e_P4;
+      }
     }
   return cmCTestUpdateHandler::e_UNKNOWN;
 }
@@ -223,6 +233,7 @@ int cmCTestUpdateHandler::ProcessHandler()
     case e_BZR: vc.reset(new cmCTestBZR(this->CTest, ofs)); break;
     case e_GIT: vc.reset(new cmCTestGIT(this->CTest, ofs)); break;
     case e_HG:  vc.reset(new cmCTestHG(this->CTest, ofs)); break;
+    case e_P4:  vc.reset(new cmCTestP4(this->CTest, ofs)); break;
     default:    vc.reset(new cmCTestVC(this->CTest, ofs));  break;
     }
   vc->SetCommandLineTool(this->UpdateCommand);
@@ -350,6 +361,18 @@ int cmCTestUpdateHandler::DetectVCS(const char* dir)
     {
     return cmCTestUpdateHandler::e_HG;
     }
+  sourceDirectory = dir;
+  sourceDirectory += "/.p4";
+  if ( cmSystemTools::FileExists(sourceDirectory.c_str()) )
+    {
+    return cmCTestUpdateHandler::e_P4;
+    }
+  sourceDirectory = dir;
+  sourceDirectory += "/.p4config";
+  if ( cmSystemTools::FileExists(sourceDirectory.c_str()) )
+    {
+    return cmCTestUpdateHandler::e_P4;
+    }
   return cmCTestUpdateHandler::e_UNKNOWN;
 }
 
@@ -380,6 +403,7 @@ bool cmCTestUpdateHandler::SelectVCS()
       case e_BZR: key = "BZRCommand"; break;
       case e_GIT: key = "GITCommand"; break;
       case e_HG:  key = "HGCommand";  break;
+      case e_P4:  key = "P4Command";  break;
       default: break;
       }
     if (key)
diff --git a/Source/CTest/cmCTestUpdateHandler.h b/Source/CTest/cmCTestUpdateHandler.h
index 55ec974..954c024 100644
--- a/Source/CTest/cmCTestUpdateHandler.h
+++ b/Source/CTest/cmCTestUpdateHandler.h
@@ -44,6 +44,7 @@ public:
     e_BZR,
     e_GIT,
     e_HG,
+    e_P4,
     e_LAST
   };
 
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index b9c99e3..89ad8b0 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1877,6 +1877,29 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=master -P ${CMake_SOURCE_DIR}/Utilities/
         )
       list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/${CTestUpdateHG_DIR}")
     endif()
+
+    # Test CTest Update with P4
+    find_program(P4_EXECUTABLE NAMES p4)
+    find_program(P4D_EXECUTABLE NAMES p4d)
+    mark_as_advanced(P4D_EXECUTABLE)
+    set(CTEST_TEST_UPDATE_P4 0)
+    if(P4_EXECUTABLE AND P4D_EXECUTABLE)
+      if(NOT "${P4_EXECUTABLE}" MATCHES "cygwin" OR UNIX)
+        set(CTEST_TEST_UPDATE_P4 1)
+      endif()
+      if("${P4D_EXECUTABLE}" MATCHES "cygwin" OR NOT UNIX)
+        set(CTEST_TEST_UPDATE_P4 0)
+      endif()
+    endif()
+    if(CTEST_TEST_UPDATE_P4)
+      set(CTestUpdateP4_DIR "CTestUpdateP4")
+      configure_file("${CMake_SOURCE_DIR}/Tests/CTestUpdateP4.cmake.in"
+        "${CMake_BINARY_DIR}/Tests/CTestUpdateP4.cmake" @ONLY)
+      add_test(CTest.UpdateP4 ${CMAKE_CMAKE_COMMAND}
+        -P "${CMake_BINARY_DIR}/Tests/CTestUpdateP4.cmake"
+        )
+      list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/${CTestUpdateP4_DIR}")
+    endif()
   endif()
 
   configure_file(
diff --git a/Tests/CTestUpdateCommon.cmake b/Tests/CTestUpdateCommon.cmake
index aaf88a8..ae8fda2 100644
--- a/Tests/CTestUpdateCommon.cmake
+++ b/Tests/CTestUpdateCommon.cmake
@@ -216,7 +216,7 @@ function(run_dashboard_script bin_dir)
     )
 
   # Verify the updates reported by CTest.
-  list(APPEND UPDATE_MAYBE Updated{subdir})
+  list(APPEND UPDATE_MAYBE Updated{subdir} Updated{CTestConfig.cmake})
   check_updates(${bin_dir}
     Updated{foo.txt}
     Updated{bar.txt}
diff --git a/Tests/CTestUpdateP4.cmake.in b/Tests/CTestUpdateP4.cmake.in
new file mode 100644
index 0000000..ac34a3a
--- /dev/null
+++ b/Tests/CTestUpdateP4.cmake.in
@@ -0,0 +1,263 @@
+# This script drives creation of a perforce repository and checks
+# that CTest can update from it.
+
+#-----------------------------------------------------------------------------
+# Test in a directory next to this script.
+get_filename_component(TOP "${CMAKE_CURRENT_LIST_FILE}" PATH)
+set(P4_TOP "${TOP}")
+set(TOP "${TOP}/@CTestUpdateP4_DIR@")
+
+# Include code common to all update tests.
+include("@CMAKE_CURRENT_SOURCE_DIR@/CTestUpdateCommon.cmake")
+
+#-----------------------------------------------------------------------------
+# Perforce server options
+set(P4_HOST localhost)
+set(P4_PORT 1888)
+
+#-----------------------------------------------------------------------------
+# Report p4 tools in use and set its defaults
+message("Using P4 tools:")
+set(P4 "@P4_EXECUTABLE@")
+set(P4D "@P4D_EXECUTABLE@")
+message(" p4 = ${P4}")
+message(" p4d = ${P4D}")
+
+set(P4_CLIENT -c ctest_p4)
+set(P4_OPTIONS -H ${P4_HOST} -p ${P4_PORT})
+list(APPEND P4 ${P4_OPTIONS})
+
+#-----------------------------------------------------------------------------
+# Start the Perforce server
+if(UNIX)
+  set(P4_ROOT ${P4_TOP}/perforce)
+
+  message("Starting p4d on ${P4_ROOT} listening on port ${P4_PORT}...")
+
+  # Stop a previous instance of Perforce running
+  execute_process(
+    WORKING_DIRECTORY ${TOP}
+    COMMAND ${P4} admin stop
+    OUTPUT_QUIET
+    ERROR_QUIET
+  )
+
+  # Make sure we don't have a perforce directory from a previous run
+  file(REMOVE_RECURSE ${P4_ROOT})
+  file(MAKE_DIRECTORY ${P4_ROOT})
+
+  set(P4_SERVER "nohup ${P4D} -d -r ${P4_ROOT}")
+  set(P4_SERVER "${P4_SERVER} -L ${P4_ROOT}/p4.log")
+  set(P4_SERVER "${P4_SERVER} -J ${P4_ROOT}/journal")
+  set(P4_SERVER "${P4_SERVER} -p ${P4_PORT} >/dev/null 2>&1 &")
+
+  message("Server command line: ${P4_SERVER}")
+
+  execute_process(
+    COMMAND sh -c "${P4_SERVER}"
+  )
+
+  message("Waiting two seconds for p4d to initialize")
+  find_program(SLEEP sleep)
+  if(SLEEP)
+    execute_process (
+      COMMAND "${SLEEP}" 2
+      TIMEOUT 2
+      ERROR_QUIET
+      OUTPUT_QUIET
+    )
+  else()
+    message("The sleep command was not found")
+  endif()
+endif()
+
+#-----------------------------------------------------------------------------
+# Initialize the testing directory.
+message("Creating test directory...")
+init_testing()
+
+#-----------------------------------------------------------------------------
+# Create the repository.
+message("Creating depot...")
+file(WRITE  ${TOP}/depot.spec "Depot: ctest\n")
+file(APPEND ${TOP}/depot.spec "Type: local\n")
+file(APPEND ${TOP}/depot.spec "Map: ctest/...\n")
+run_child(
+  WORKING_DIRECTORY ${TOP}
+  COMMAND ${P4} depot -i
+  INPUT_FILE ${TOP}/depot.spec
+)
+
+#-----------------------------------------------------------------------------
+# Import initial content into the repository.
+message("Importing content...")
+create_content(user-source)
+
+message("Creating client spec...")
+file(WRITE  ${TOP}/client.spec "Client: ctest_p4\n")
+file(APPEND ${TOP}/client.spec "Root: ${TOP}/user-source\n")
+file(APPEND ${TOP}/client.spec "View: //ctest/... //ctest_p4/...\n")
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} client -i
+  INPUT_FILE ${TOP}/client.spec
+)
+
+# After creating the depot and the client view, all P4 commands need to
+# have the client spec passed to them
+list(APPEND P4 ${P4_CLIENT})
+
+message("Adding files to repository")
+file(GLOB_RECURSE files ${TOP}/user-source/*)
+foreach(filename ${files})
+  run_child(
+    WORKING_DIRECTORY ${TOP}/user-source
+    COMMAND ${P4} add ${filename}
+  )
+endforeach()
+
+message("Submitting changes to repository")
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} submit -d "CTEST: Initial content"
+)
+message("Tagging the repository")
+file(WRITE  ${TOP}/label.spec "Label: r1\n")
+file(APPEND ${TOP}/label.spec "View: //ctest/...\n")
+
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} label -i
+  INPUT_FILE ${TOP}/label.spec
+)
+
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} labelsync -l r1
+)
+
+#-----------------------------------------------------------------------------
+# Make changes in the working tree.
+message("Changing content...")
+update_content(user-source files_added files_removed dirs_added)
+foreach(filename ${files_added})
+  message("add: ${filename}")
+  run_child(
+    WORKING_DIRECTORY ${TOP}/user-source
+    COMMAND ${P4} add ${TOP}/user-source/${filename}
+  )
+endforeach()
+foreach(filename ${files_removed})
+  run_child(
+    WORKING_DIRECTORY ${TOP}/user-source
+    COMMAND ${P4} delete ${TOP}/user-source/${filename}
+  )
+endforeach()
+
+#-----------------------------------------------------------------------------
+# Commit the changes to the repository.
+message("Committing revision 2...")
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} submit -d "CTEST: Changed content"
+)
+
+#-----------------------------------------------------------------------------
+# Make changes in the working tree.
+message("Changing content again...")
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} edit //ctest/...
+)
+
+change_content(user-source)
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} revert -a //ctest/...
+)
+
+#-----------------------------------------------------------------------------
+# Commit the changes to the repository.
+message("Committing revision 3...")
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} submit -d "CTEST: Changed content again"
+)
+
+#-----------------------------------------------------------------------------
+# Go back to before the changes so we can test updating.
+message("Backing up to revision 1...")
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} sync @r1
+  )
+
+# Create a modified file.
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} sync @r1
+  )
+
+# We should p4 open any files that modify_content creates
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} open ${TOP}/user-source/CTestConfig.cmake
+)
+modify_content(user-source)
+
+#-----------------------------------------------------------------------------
+# Test updating the user work directory with the command-line interface.
+message("Running CTest Dashboard Command Line...")
+
+# Create the user build tree.
+create_build_tree(user-source user-binary)
+file(APPEND ${TOP}/user-binary/CTestConfiguration.ini
+  "# P4 command configuration
+UpdateCommand: @P4_EXECUTABLE@
+P4Client: ctest_p4
+P4Options: -H ${P4_HOST} -p ${P4_PORT}
+")
+
+# Run the dashboard command line interface.
+run_dashboard_command_line(user-binary)
+
+# Revert the modified files
+run_child(
+  WORKING_DIRECTORY ${TOP}/user-source
+  COMMAND ${P4} revert ${TOP}/user-source/CTestConfig.cmake
+)
+
+#-----------------------------------------------------------------------------
+# Test initial checkout and update with a dashboard script.
+# Create a new client so we can check out files on a different directory
+message("Running CTest Dashboard Script...")
+
+message("Creating client spec...")
+file(WRITE  ${TOP}/client2.spec "Client: ctest2_p4\n")
+file(APPEND ${TOP}/client2.spec "Root: ${TOP}/dash-source\n")
+file(APPEND ${TOP}/client2.spec "View: //ctest/... //ctest2_p4/...\n")
+run_child(
+  COMMAND ${P4} client -i
+  INPUT_FILE ${TOP}/client2.spec
+)
+
+file(MAKE_DIRECTORY ${TOP}/dash-source)
+
+create_dashboard_script(dash-binary
+  "# P4 command configuration
+set(CTEST_P4_COMMAND \"${P4}\")
+set(CTEST_P4_CLIENT \"ctest2_p4\")
+set(CTEST_P4_OPTIONS \"-H ${P4_HOST} -p ${P4_PORT}\")
+set(CTEST_UPDATE_COMMAND \"p4\")
+")
+
+# Run the dashboard script with CTest.
+run_dashboard_script(dash-binary)
+
+#-----------------------------------------------------------------------------
+# Clean up
+message("Shutting down p4d")
+run_child(
+    WORKING_DIRECTORY ${TOP}
+    COMMAND ${P4} admin stop
+)
\ No newline at end of file
-- 
1.7.10.4

--

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