ci: dynamically set GCOV_PREFIX_STRIP

Author: henryborchers

Jenkinsfile

@@ -464,6 +464,9 @@ def get_sonarqube_unresolved_issues(report_task_file){
         return outstandingIssues
     }
 }
+def calculateGCOV_PREFIX_STRIP(){
+    return sh(returnStdout: true, label: 'configuring GCOV_PREFIX_STRIP', script:'echo "$PWD" | awk -F/ \'{c=0; for(i=1;i<=NF;i++) if($i!="") c++; print c+2}\'')
+}
 
 // *****************************************************************************
 stage('Pipeline Pre-tasks'){
@@ -553,7 +556,7 @@ pipeline {
                         stage('Building Documentation'){
                             environment{
                                 GCOV_PREFIX='build/temp'
-                                GCOV_PREFIX_STRIP=5
+                                GCOV_PREFIX_STRIP=calculateGCOV_PREFIX_STRIP()
                             }
                             steps {
                                 catchError(buildResult: 'UNSTABLE', message: 'Building Sphinx documentation has issues', stageResult: 'UNSTABLE') {
@@ -584,7 +587,7 @@ pipeline {
                                 stage('Python tests'){
                                     environment{
                                         GCOV_PREFIX='build/temp'
-                                        GCOV_PREFIX_STRIP=5
+                                        GCOV_PREFIX_STRIP=calculateGCOV_PREFIX_STRIP()
                                     }
                                     steps{
                                         script{