From cfab4506abd5bcb8afbf6b9c5845cb7ada3279cc Mon Sep 17 00:00:00 2001
From: pvincent <pvincent@artcode.re>
Date: Sat, 25 Jul 2026 11:32:45 +0400
Subject: [PATCH] not yet done with subshell error

---
 bin/miaou-bash            | 10 +++++-----
 test/miaou-bash.test.bash |  3 +++
 test/stub/scenario.bash   | 12 ++++++++++++
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/bin/miaou-bash b/bin/miaou-bash
index 7918878..a982c6e 100755
--- a/bin/miaou-bash
+++ b/bin/miaou-bash
@@ -161,10 +161,9 @@ function on_exit {
         fi
       fi
     else
-      failure_type='UNDEFINED'
-      miaou_debug "last error=${last_error}"
       failure_payload="${last_error}"
-      regex="^	.*:[0-9]*	.*\$"
+      miaou_debug "UNDEFINED last error=${last_error}"
+      regex="╟─⟶"
       if [[ "$last_error" =~ $regex ]]; then
         if [[ "${code}" == 128 ]]; then
           failure_type='SUBSHELL_SOURCE_NOT_FOUND'
@@ -174,6 +173,7 @@ function on_exit {
           stack_functions[0]="${stack_functions[0]} (hint: prefer source than subshell:3)"
         fi
       else
+        failure_type='UNDEFINED'
         regex='^subshell term:'
         if [[ "$last_error" =~ $regex ]]; then
           failure_type='SUBSHELL_TERM2'
@@ -229,7 +229,7 @@ function ansi_traces {
   declare -n functions=$3
   optional=false
   for i in "${!sources[@]}"; do
-    FG=RED style_ansi "     ╟─⟶"
+    FG=RED style_ansi "     ╟─⟶ "
     location=$(printf "%40s" "${sources[$i]}:${lines[$i]}")
     is_true "$optional" &&
       location=$(FG=GRAY STYLE=ITALIC style_ansi "$location") ||
@@ -297,7 +297,7 @@ BASH_ARGV0="$1" && shift # to pretend script runs by itself
 # magic FD + delayed tee => /dev/fd/3 means delayed stderr, /dev/fd/4 remains original stderr
 exec 3> >(tee "$MIAOU_BASH_ERROR" >/dev/null) 4>/dev/stderr
 
-miaou_debug '---stdout---'
+miaou_debug "---stdout--$$ $BASHPID $PPID--"
 # shellcheck source=/dev/null
 source "$BASH_ARGV0" 2>&3
 dump_success
diff --git a/test/miaou-bash.test.bash b/test/miaou-bash.test.bash
index 40e564c..2f4c97e 100755
--- a/test/miaou-bash.test.bash
+++ b/test/miaou-bash.test.bash
@@ -55,8 +55,11 @@ fail_type command_not_found COMMAND_NOT_FOUND
 fail_type exit EXIT
 fail_type source_not_found SOURCE_NOT_FOUND
 fail_type file_not_found FILE_NOT_FOUND
+fail_type subshell_source_not_found SUBSHELL_SOURCE_NOT_FOUND
+fail_type subshell_error SUBSHELL_ERROR
 
 failed=$((TEST_COUNT - SUCCESS_COUNT))
+
 if [[ $failed -gt 0 ]]; then
   ratio=$((100 * SUCCESS_COUNT / TEST_COUNT))
   echo "${ratio}% passed, $SUCCESS_COUNT succeeded, $failed failed!"
diff --git a/test/stub/scenario.bash b/test/stub/scenario.bash
index 733e8a8..2d043d3 100755
--- a/test/stub/scenario.bash
+++ b/test/stub/scenario.bash
@@ -86,6 +86,18 @@ function do_source_not_found {
 function do_file_not_found {
   ./lib/fake/nope.bash
 }
+
+function do_subshell_source_not_found {
+  output=$(miaou_debug "---subshell1--$$ $BASHPID $PPID--")
+  output=$(miaou_debug "---subshell2--$$ $BASHPID $PPID--")
+  : "$output"
+  "${MIAOU_BASH_DIR}/test/stub/extra/library.bash"
+
+}
+
+function do_subshell_error {
+  :
+}
 # FUNCTIONS
 
 function call_function_which_will_exit {