add awk script to ignore single and multi line comments & require only 1 match

.circleci/config.yml

@@ -1240,16 +1240,40 @@ jobs:
       - image: us-docker.pkg.dev/oplabs-tools-artifacts/images/ci-builder:latest
     steps:
       - checkout
+      - run:
+          name: Filter comments and match only 1 script
+          command: |
+            SCRIPT=$(cat <<'EOF'
+              BEGIN { in_comment = 0; matches = 0; }
+              /^ *\/\*/ { in_comment = 1; }
+              in_comment && /\*\// { in_comment = 0; next; }
+              !in_comment && !/^ *\/\// && /PATTERN/ { matches++; matched_line = $0; }
+              END {
+                  if (matches == 1) {
+                      print matched_line;
+                  } else if (matches > 1) {
+                      print "Multiple matches found. Exiting.";
+                      exit 1;
+                  } else {
+                      print "No matches found. Exiting.";
+                      exit 1;
+                  }
+              }
+              EOF
+              )
+              echo "export SCRIPT=$SCRIPT" >> $BASH_ENV
       - run:
           name: Extract value from file1
           command: |
-            VALUE1=$(grep '<< parameters.pattern_file1 >>' << parameters.file1_path >> | awk -F'=' '{print $2}' | tr -d ' ;')
+            VALUE1=$(echo "$SCRIPT" | awk -v PATTERN='<< parameters.pattern_file1 >>' -f- << parameters.file1_path >> | awk -F'=' '{print $2}' | tr -d ' ;')
             echo "export VALUE1=$VALUE1" >> $BASH_ENV
+
       - run:
           name: Extract value from file2
           command: |
-            VALUE2=$(grep '<< parameters.pattern_file2 >>' << parameters.file2_path >> | awk -F'=' '{print $2}' | tr -d ' ;')
+            VALUE2=$(echo "$SCRIPT" | awk -v PATTERN='<< parameters.pattern_file2 >>' -f- << parameters.file2_path >> | awk -F'=' '{print $2}' | tr -d ' ;')
             echo "export VALUE2=$VALUE2" >> $BASH_ENV
+
       - run:
           name: Compare values
           command: |
@@ -1260,6 +1284,7 @@ jobs:
               echo "Values match!"
             fi
 
+
 workflows:
   main:
     when: