Fixed: Strip version strings only when successful

code/CMakeModules/GetRevision.cmake

@@ -82,6 +82,8 @@ IF(EXISTS "${ROOT_DIR}/.git/")
       OUTPUT_VARIABLE REVISION)
     IF(NOT ${git_exit_code} EQUAL 0)
       MESSAGE(WARNING "git rev-list failed, unable to include version.")
+    ELSE()
+      STRING(STRIP ${REVISION} REVISION)
     ENDIF()
     EXECUTE_PROCESS(COMMAND ${GIT_EXECUTABLE} rev-parse --short=8 HEAD
       WORKING_DIRECTORY ${ROOT_DIR}
@@ -89,6 +91,8 @@ IF(EXISTS "${ROOT_DIR}/.git/")
       OUTPUT_VARIABLE CHANGESET)
     IF(NOT ${git_exit_code} EQUAL 0)
       MESSAGE(WARNING "git rev-parse failed, unable to include version.")
+    ELSE()
+      STRING(STRIP ${CHANGESET} CHANGESET)
     ENDIF()
     EXECUTE_PROCESS(COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref HEAD
       WORKING_DIRECTORY ${ROOT_DIR}
@@ -96,6 +100,8 @@ IF(EXISTS "${ROOT_DIR}/.git/")
       OUTPUT_VARIABLE BRANCH)
     IF(NOT ${git_exit_code} EQUAL 0)
       MESSAGE(WARNING "git rev-parse failed, unable to include git branch.")
+    ELSE()
+      STRING(STRIP ${BRANCH} BRANCH)
     ENDIF()
     EXECUTE_PROCESS(COMMAND ${GIT_EXECUTABLE} describe
       WORKING_DIRECTORY ${ROOT_DIR}
@@ -103,13 +109,11 @@ IF(EXISTS "${ROOT_DIR}/.git/")
       OUTPUT_VARIABLE DESCRIBE)
     IF(NOT ${git_exit_code} EQUAL 0)
       MESSAGE(WARNING "git rev-parse failed, unable to include git branch.")
-    ENDIF()
-    STRING(STRIP ${REVISION} REVISION)
-    STRING(STRIP ${CHANGESET} CHANGESET)
-    STRING(STRIP ${BRANCH} BRANCH)
+    ELSE()
       STRING(STRIP ${DESCRIBE} DESCRIBE)
     ENDIF()
   ENDIF()
+ENDIF()
 
 # if processing exported sources, use "revision" file if exists
 IF(SOURCE_DIR AND NOT DEFINED REVISION)