codeql missing venv and build error check failure fix

Author: maureeungaro

.github/workflows/codeql.yml

@@ -97,13 +97,16 @@ jobs:
         shell: bash
         run: |
           echo "Starting manual build for CodeQL..."
-          
+
+          apt-get update
+          apt-get install -y python3-venv
+
           export DOCKER_ENTRYPOINT_SOURCE_ONLY=1
           . /usr/local/bin/docker-entrypoint.sh
           module load geant4
-          
-          ./ci/build.sh 
-          
+
+          ./ci/build.sh
+
           echo "Manual build finished."
 
       - name: Perform CodeQL Analysis

ci/build.sh

@@ -29,8 +29,8 @@ meson_option=$(meson_setup_options $1)
   meson setup build $=meson_option
 } | tee -a $setup_log
 
-
-if [ $? -ne 0 ]; then
+# $? reflects tee's exit code in a pipeline; use ${pipestatus[1]} for meson's.
+if [ ${pipestatus[1]} -ne 0 ]; then
   echo " > Meson Configure failed. Log: "
   cat $setup_log
   exit 1