Added GetRevision macro to get current timestamp.

Author: Dilawar Singh

CMakeLists.txt

@@ -1,5 +1,5 @@
 set(CMAKE_LEGACY_CYGWIN_WIN32 0)
-cmake_minimum_required(VERSION 2.6.0 FATAL_ERROR)
+cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
 
 if(COMMAND cmake_policy)
     cmake_policy(SET CMP0003 NEW)
@@ -27,11 +27,9 @@ if( (NOT MOOSE_VERSION) AND GIT_EXEC)
         OUTPUT_VARIABLE MOOSE_VERSION
         OUTPUT_STRIP_TRAILING_WHITESPACE
         )
-    message(STATUS "+ Writing ${MOOSE_VERSION} to ${VERSION_FILE}" )
 elseif( (NOT MOOSE_VERSION) AND (NOT GIT_EXEC) )
-    message(STATUS "+ Reading ${VERSION_FILE}" )
-    string(TIMESTAMP MOOSE_VERSION "nightly-%Y%m%d" )
-    set(GIT_VERSION_OUTPUT "nightly" )
+    NOW(TIMESTAMP)
+    set(MOOSE_VERSION "nightly-${TIMESTAMP}" )
 elseif(MOOSE_VERSION)
     message(STATUS "+ Using user specified VERSION = ${MOOSE_VERSION}" )
 else()
@@ -41,6 +39,7 @@ add_definitions( -DMOOSE_VERSION="${MOOSE_VERSION}")
 message( STATUS "MOOSE Version ${MOOSE_VERSION}" )
 
 # Write VERSION to a file VERSION so that setup.py can use it.
+message(STATUS "+ Writing ${MOOSE_VERSION} to ${VERSION_FILE}" )
 file(WRITE ${VERSION_FILE} ${MOOSE_VERSION} )
 
 # This snippet is from LLVM project.

cmake_modules/GetRevision.cmake

@@ -0,0 +1,20 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6.3)
+
+MACRO(NOW RESULT)
+  IF(CMAKE_VERSION VERSION_GREATER "2.8.10")
+    STRING(TIMESTAMP ${RESULT} "%Y%m%d")
+  ELSE()
+    IF(WIN32)
+      EXECUTE_PROCESS(COMMAND "wmic" "os" "get" "localdatetime" OUTPUT_VARIABLE DATETIME)
+      IF(NOT DATETIME MATCHES "ERROR")
+        STRING(REGEX REPLACE ".*\n([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9]).*" "\\1-\\2-\\3 \\4:\\5:\\6" ${RESULT} "${DATETIME}")
+      ENDIF()
+    ELSEIF(UNIX)
+      EXECUTE_PROCESS(COMMAND "date" "+%Y%m%d" OUTPUT_VARIABLE DATETIME)
+      STRING(REGEX REPLACE "([0-9: -]+).*" "\\1" ${RESULT} "${DATETIME}")
+    ELSE()
+      MESSAGE(SEND_ERROR "date not implemented")
+      SET(${RESULT} "00000000")
+    ENDIF()
+  ENDIF()
+ENDMACRO()