1 files changed, 21 insertions, 0 deletions
diff --git a/jenkins-helpers.sh b/jenkins-helpers.sh
index 83f950ae..b196edca 100644
--- a/jenkins-helpers.sh
+++ b/jenkins-helpers.sh
@@ -1302,3 +1302,24 @@ EOF
 
     run_step_prev_step="$pretty_step"
 }
+
+# Print Python style traceback from a trap EXIT
+# More readable version of running "caller"
+print_traceback ()
+{
+  echo "ERROR Traceback (most recent call last):"
+  # Show most recent calls last
+  # >=1 to skip the trap handler entry
+  # Start from end-2 to skip the top level "main" entry
+  # which isn't useful
+  for (( i=${#FUNCNAME[@]}-2 ; i>=1 ; i-- )) ; do
+    source_file=${BASH_SOURCE[$i+1]}
+    line_no=${BASH_LINENO[$i]}
+    echo "  File: $source_file, line $line_no"
+    # Remove leading whitespace to keep indentation readable
+    echo "    $(sed -e "${line_no}!d" -e 's/^[[:space:]]*//' "$source_file")"
+  done
+  # We don't know the line number of the exit itself when we trap EXIT
+  echo "  File: ${BASH_SOURCE[0]}, line ${BASH_LINENO[0]}"
+  echo "    (trap handler, 'exit' call line is unknown)"
+}