source: vendor/bash/3.1-p17/tests/dbg-support2.tests

#!../bash
#
# Test correct trap return codes = 2 means skip execution.
shopt -s extdebug
print_trap() {
   echo "lineno: $1 ($LINENO) ${FUNCNAME[1]}"
   if [[ $debug_exit == 2 ]] ; then
     debug_exit=0
     return 2
   fi
   return 0
}

debug_exit=0
trap 'print_trap $LINENO' DEBUG

x=1
echo "x is $x"
debug_exit=2
x=2
echo "x is $x"

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