From ab70b24e4959d338b8691b989fe2c8ded8f8aa94 Mon Sep 17 00:00:00 2001
From: pvincent <pvincent@artcode.re>
Date: Mon, 6 Jul 2026 21:20:41 +0400
Subject: [PATCH] eval version instead of exec

---
 lib/backtrace.bash | 27 +++++++++++++++++----------
 test.sh            | 20 ++++++++++++++++++--
 2 files changed, 35 insertions(+), 12 deletions(-)

diff --git a/lib/backtrace.bash b/lib/backtrace.bash
index 7701df9..93d7f4a 100644
--- a/lib/backtrace.bash
+++ b/lib/backtrace.bash
@@ -2,20 +2,18 @@
 
 CURRENT_SOURCE="${BASH_SOURCE[0]}"
 
+# TODO: read and understand the catch function
+# https://stackoverflow.com/a/59592881/5018486
+
 ## FUNCTIONS
 
 function exit {
-  on_exit $1 true
-}
-
-function on_exit {
-  local error_code bypass_last_call stack_lines
+  local error_code stack_lines stack_functions stack_sources
   error_code=$1
 
-  bypass_last_call=${2:-false}
-  echo $CURRENT_SOURCE bypass_last_call=$bypass_last_call
   stack_lines=("${BASH_LINENO[@]}")
-
+  stack_functions=("${FUNCNAME[@]}")
+  stack_sources=("${BASH_SOURCE[@]}")
   #
   # # remove 1 on head list
   # [[ ${#stack_lines[@]} > 0 && ${stack_lines[0]} == 1 ]] && unset stack_lines[0]
@@ -40,8 +38,17 @@ function raise_error {
   code=${2:-1}
   echo "error ${code}: ${message}" >&2
   trap - ERR TERM INT EXIT
-  on_exit $code true
+  exit $code
 }
 
+_BACKTRACE=${_BACKTRACE:-false}
+# echo "_BACKTRACE=${_BACKTRACE}"
+${_BACKTRACE} && return
+
 set -TEue
-trap 'on_exit $?' ERR TERM INT EXIT
+trap 'exit $?' ERR TERM INT EXIT
+# echo "current: ${BASH_SOURCE[-1]}"
+# echo "ARGV   : $@"
+export _BACKTRACE=true
+# exec ${BASH_SOURCE[-1]} $*
+eval $(<${BASH_SOURCE[-1]}) $*
diff --git a/test.sh b/test.sh
index 3588c6b..12b79e1 100755
--- a/test.sh
+++ b/test.sh
@@ -3,10 +3,26 @@
 ## CONSTANTS
 
 BASEDIR=$(dirname $0)
+## FUNCTIONS
 
+function f2 {
+  echo f2
+  return 5
+}
 ## MAIN
+. "$BASEDIR/lib/backtrace.bash"
+# set -TEue
+# trap 'exit $?' ERR TERM INT EXIT
 
-source "$BASEDIR/lib/backtrace.bash"
 echo START test
-grep toto nope
+
+for i in $@; do
+  echo arg: $i
+done
+
+echo $nope
+# grep toto nope
+raise_error 'coucou' 8
+
+f2
 echo END test