Testing change for safer intel environment setup

Author: danieljvickers

.github/workflows/test.yml

@@ -72,9 +72,12 @@ jobs:
           sudo add-apt-repository "deb https://apt.repos.intel.com/oneapi all main"
           sudo apt-get update
           sudo apt-get install -y intel-oneapi-compiler-fortran intel-oneapi-mpi intel-oneapi-mpi-devel
+          DEFAULT_ENV=$(mktemp)
+          INTEL_ENV=$(mktemp)
+          printenv | sort > "$DEFAULT_ENV"
           source /opt/intel/oneapi/setvars.sh
-          printenv >> $GITHUB_ENV
-
+          printenv | sort > "$INTEL_ENV"
+          comm -13 "$DEFAULT_ENV" "$INTEL_ENV" >> $GITHUB_ENV
 
       - name: Build
         run:  |