BUG: Skip CTest.Update* for cygwin tools on Windows

These tests cannot run with cygwin tools unless testing cygwin CTest.
The version control tools do not understand all Windows paths.

Tests/CMakeLists.txt

@@ -928,7 +928,13 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=CVS -P ${CMake_SOURCE_DIR}/Utilities/Rel
     # Test CTest Update with BZR
     FIND_PROGRAM(BZR_EXECUTABLE NAMES bzr)
     MARK_AS_ADVANCED(BZR_EXECUTABLE)
+    SET(CTEST_TEST_UPDATE_BZR 0)
     IF(BZR_EXECUTABLE)
+      IF(NOT "${CVS_EXECUTABLE}" MATCHES "cygwin" OR UNIX)
+        SET(CTEST_TEST_UPDATE_BZR 1)
+      ENDIF(NOT "${CVS_EXECUTABLE}" MATCHES "cygwin" OR UNIX)
+    ENDIF(BZR_EXECUTABLE)
+    IF(CTEST_TEST_UPDATE_BZR)
       # Check if xmloutput plugin is there
       EXECUTE_PROCESS(COMMAND ${BZR_EXECUTABLE} xmlplugins RESULT_VARIABLE xmlplugres
         OUTPUT_QUIET ERROR_QUIET)
@@ -949,12 +955,18 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=CVS -P ${CMake_SOURCE_DIR}/Utilities/Rel
         SET_TESTS_PROPERTIES(CTest.UpdateBZR.CLocale PROPERTIES ENVIRONMENT LC_ALL=C)
         LIST(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/${CTestUpdateBZR_DIR}")
       ENDIF( NOT ${xmlplugres} )
-    ENDIF(BZR_EXECUTABLE)
+    ENDIF(CTEST_TEST_UPDATE_BZR)
 
     # Test CTest Update with GIT
     FIND_PROGRAM(GIT_EXECUTABLE NAMES git)
     MARK_AS_ADVANCED(GIT_EXECUTABLE)
+    SET(CTEST_TEST_UPDATE_GIT 0)
     IF(GIT_EXECUTABLE)
+      IF(NOT "${CVS_EXECUTABLE}" MATCHES "cygwin" OR UNIX)
+        SET(CTEST_TEST_UPDATE_GIT 1)
+      ENDIF(NOT "${CVS_EXECUTABLE}" MATCHES "cygwin" OR UNIX)
+    ENDIF(GIT_EXECUTABLE)
+    IF(CTEST_TEST_UPDATE_GIT)
       SET(CTestUpdateGIT_DIR "CTest UpdateGIT")
       CONFIGURE_FILE("${CMake_SOURCE_DIR}/Tests/CTestUpdateGIT.cmake.in"
         "${CMake_BINARY_DIR}/Tests/CTestUpdateGIT.cmake" @ONLY)
@@ -962,7 +974,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=CVS -P ${CMake_SOURCE_DIR}/Utilities/Rel
         -P "${CMake_BINARY_DIR}/Tests/CTestUpdateGIT.cmake"
         )
       LIST(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/${CTestUpdateGIT_DIR}")
-    ENDIF(GIT_EXECUTABLE)
+    ENDIF(CTEST_TEST_UPDATE_GIT)
 
   ENDIF(CTEST_TEST_UPDATE)