UPDATED better information about the current build name visible on cdash

sdk/cmake/ctest/experimental.cmake

@@ -4,17 +4,17 @@
 # Run this script to simulate a Nightly build similarly to:
 #
 # # define parameters
-# SITE=$(hostname)-$(git rev-parse --abbrev-ref HEAD)   # the name of the current machine 
-# CAMITK_SOURCE_DIR=~/Dev/CamiTK/src/camitk             # path to CamiTK code source directory
-# CAMITK_BUILD_DIR=~/Dev/CamiTK/build/camitk-exp        # path to the intended build directory
-# COMPILER_CONFIG="GCC-64bits-Debug"                    # compiler-arch-buildtype string
+# SITE=$(hostname)                                        # the name of the current machine 
+# CAMITK_SOURCE_DIR=~/Dev/CamiTK/src/camitk               # path to CamiTK code source directory
+# CAMITK_BUILD_DIR=~/Dev/CamiTK/build/camitk-exp          # path to the intended build directory
+# COMPILER_CONFIG="GCC-64bits-Debug"                      # compiler-arch-buildtype string
 # # run the command
 # ctest -VV \
 #       -DCTEST_SITE="$SITE" \
 #       -DCAMITK_CONTINUOUS_INTEGRATION="$COMPILER_CONFIG" \
 #       -DCTEST_SOURCE_DIRECTORY="$CAMITK_SOURCE_DIR" \
 #       -DCTEST_BINARY_DIRECTORY="$CAMITK_BUILD_DIR" \
-#       -S $CAMITK_SOURCE_DIR/sdk/cmake/ctest/experimental.cmake
+#       -S $CAMITK_SOURCE_DIR/sdk/cmake/ctest/experimental.cmake > log.txt 2>&1
 #
 # It will submit a new report in the "experimental" section of the dashboard 
 # identified as $SITE and $COMPILER_CONFIG.
@@ -59,7 +59,21 @@ endif()
 
 # Compose with those variables the CTest required ones.
 site_name(CTEST_SITE)
-set( CTEST_BUILD_NAME ${CAMITK_CONTINUOUS_INTEGRATION})
+
+# get the git hash
+find_package(Git QUIET)
+if(GIT_FOUND)
+    include("${CTEST_SOURCE_DIRECTORY}/sdk/cmake/modules/macros/GetGitInfo.cmake")
+    set(CMAKE_SOURCE_DIR ${CTEST_SOURCE_DIRECTORY})
+    get_git_info(${CTEST_SOURCE_DIRECTORY})
+    set(CURRENT_GIT_HASH ${CAMITK_GIT_ABBREVIATED_HASH})
+else()
+    set(CURRENT_GIT_HASH "???")
+endif()
+
+# set the build name using the compiler and commit hash
+set(CTEST_BUILD_NAME ${CAMITK_CONTINUOUS_INTEGRATION}-${CURRENT_GIT_HASH})
+
 if(UNIX)
     set( CTEST_CMAKE_GENERATOR  "Unix Makefiles" )
 elseif(WIN32)