disable shell integration for complex debug trap (#157945)

* fix #157851

* move return to earlier

* Still run init scripts and then return

Co-authored-by: Daniel Imms <2193314+Tyriar@users.noreply.github.com>

Co-authored-by: Daniel Imms <2193314+Tyriar@users.noreply.github.com>

src/vs/workbench/contrib/terminal/browser/media/shellIntegration-bash.sh

@@ -37,6 +37,12 @@ if [ -z "$VSCODE_SHELL_INTEGRATION" ]; then
 	builtin return
 fi
 
+# Return for complex debug traps to avoid
+# issues like https://github.com/microsoft/vscode/issues/157851
+if [[ "$(trap -p DEBUG)" =~ .*\[\[.* ]]; then
+	builtin return;
+fi
+
 # Send the IsWindows property if the environment looks like Windows
 if [[ "$(uname -s)" =~ ^CYGWIN*|MINGW*|MSYS* ]]; then
 	builtin printf "\x1b]633;P;IsWindows=True\x07"
@@ -129,14 +135,7 @@ if [[ -n "${bash_preexec_imported:-}" ]]; then
 	precmd_functions+=(__vsc_prompt_cmd)
 	preexec_functions+=(__vsc_preexec_only)
 else
-	__vsc_dbg_trap="$(trap -p DEBUG)"
-	if [[ "$__vsc_dbg_trap" =~ .*\[\[.* ]]; then
-		#HACK - is there a better way to do this?
-		__vsc_dbg_trap=${__vsc_dbg_trap#'trap -- '*}
-		__vsc_dbg_trap=${__vsc_dbg_trap%'DEBUG'}
-	else
-		__vsc_dbg_trap="$(trap -p DEBUG | cut -d' ' -f3 | tr -d \')"
-	fi
+	__vsc_dbg_trap="$(trap -p DEBUG | cut -d' ' -f3 | tr -d \')"
 	if [[ -z "$__vsc_dbg_trap" ]]; then
 		__vsc_preexec_only() {
 			if [ "$__vsc_in_command_execution" = "0" ]; then