diff --git a/Help/manual/cmake-variables.7.rst b/Help/manual/cmake-variables.7.rst
index 5fd5c5c05..3f73b32a1 100644
--- a/Help/manual/cmake-variables.7.rst
+++ b/Help/manual/cmake-variables.7.rst
@@ -407,6 +407,7 @@ Variables for CTest
    /variable/CTEST_DROP_SITE_USER
    /variable/CTEST_EXTRA_COVERAGE_GLOB
    /variable/CTEST_GIT_COMMAND
+   /variable/CTEST_GIT_INIT_SUBMODULES
    /variable/CTEST_GIT_UPDATE_CUSTOM
    /variable/CTEST_GIT_UPDATE_OPTIONS
    /variable/CTEST_HG_COMMAND
diff --git a/Help/manual/ctest.1.rst b/Help/manual/ctest.1.rst
index 2fdf7f329..1179f5665 100644
--- a/Help/manual/ctest.1.rst
+++ b/Help/manual/ctest.1.rst
@@ -589,6 +589,12 @@ Configuration settings to specify the version control tool include:
   * `CTest Script`_ variable: :variable:`CTEST_GIT_COMMAND`
   * :module:`CTest` module variable: ``GITCOMMAND``
 
+``GITInitSubmodules``
+  If set, CTest will update the repository's submodules before updating.
+
+  * `CTest Script`_ variable: :variable:`CTEST_GIT_INIT_SUBMODULES`
+  * :module:`CTest` module variable: ``CTEST_GIT_INIT_SUBMODULES``
+
 ``GITUpdateCustom``
   Specify a custom command line (as a semicolon-separated list) to run
   in the source tree (Git work tree) to update it instead of running
diff --git a/Help/variable/CTEST_GIT_INIT_SUBMODULES.rst b/Help/variable/CTEST_GIT_INIT_SUBMODULES.rst
new file mode 100644
index 000000000..fd270030d
--- /dev/null
+++ b/Help/variable/CTEST_GIT_INIT_SUBMODULES.rst
@@ -0,0 +1,5 @@
+CTEST_GIT_INIT_SUBMODULES
+-------------------------
+
+Specify the CTest ``GITInitSubmodules`` setting
+in a :manual:`ctest(1)` dashboard client script.
diff --git a/Modules/DartConfiguration.tcl.in b/Modules/DartConfiguration.tcl.in
index 2da835427..0ff2eed8b 100644
--- a/Modules/DartConfiguration.tcl.in
+++ b/Modules/DartConfiguration.tcl.in
@@ -52,6 +52,7 @@ SVNUpdateOptions: @SVN_UPDATE_OPTIONS@
 
 # Git options
 GITCommand: @GITCOMMAND@
+GITInitSubmodules: @CTEST_GIT_INIT_SUBMODULES@
 GITUpdateOptions: @GIT_UPDATE_OPTIONS@
 GITUpdateCustom: @CTEST_GIT_UPDATE_CUSTOM@
 
diff --git a/Source/CTest/cmCTestGIT.cxx b/Source/CTest/cmCTestGIT.cxx
index da086bedb..9ee18e602 100644
--- a/Source/CTest/cmCTestGIT.cxx
+++ b/Source/CTest/cmCTestGIT.cxx
@@ -285,9 +285,26 @@ bool cmCTestGIT::UpdateImpl()
       }
     }
 
-  char const* git_submodule[] = {git, "submodule", "update", recursive, 0};
   OutputLogger submodule_out(this->Log, "submodule-out> ");
   OutputLogger submodule_err(this->Log, "submodule-err> ");
+
+  bool ret;
+
+  std::string init_submodules =
+    this->CTest->GetCTestConfiguration("GITInitSubmodules");
+  if (cmSystemTools::IsOn(init_submodules.c_str()))
+    {
+    char const* git_submodule_init[] = {git, "submodule", "init", 0};
+    ret = this->RunChild(git_submodule_init, &submodule_out, &submodule_err,
+                         top_dir.c_str());
+
+    if (!ret)
+      {
+      return false;
+      }
+    }
+
+  char const* git_submodule[] = {git, "submodule", "update", recursive, 0};
   return this->RunChild(git_submodule, &submodule_out, &submodule_err,
                         top_dir.c_str());
 }
diff --git a/Source/CTest/cmCTestUpdateCommand.cxx b/Source/CTest/cmCTestUpdateCommand.cxx
index dfda9f1e9..1bf60fc73 100644
--- a/Source/CTest/cmCTestUpdateCommand.cxx
+++ b/Source/CTest/cmCTestUpdateCommand.cxx
@@ -54,6 +54,8 @@ cmCTestGenericHandler* cmCTestUpdateCommand::InitializeHandler()
     "GITCommand", "CTEST_GIT_COMMAND", this->Quiet);
   this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
     "GITUpdateOptions", "CTEST_GIT_UPDATE_OPTIONS", this->Quiet);
+  this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
+    "GITInitSubmodules", "CTEST_GIT_INIT_SUBMODULES", this->Quiet);
   this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
     "GITUpdateCustom", "CTEST_GIT_UPDATE_CUSTOM", this->Quiet);
   this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,