Disabling subshells by default to help with #25

- it can be enabled by setting __bp_enable_subshells
rcaloras · Aug 17, 2016 · 6db22a5 · 6db22a5
1 parent f2370fe
commit 6db22a5
Showing 1 changed file with 11 additions and 3 deletions.
diff --git a/bash-preexec.sh b/bash-preexec.sh
@@ -234,9 +234,17 @@ __bp_install() {
     # Adjust our HISTCONTROL Variable if needed.
     __bp_adjust_histcontrol
 
-    # Set so debug trap will work be invoked in subshells.
-    set -o functrace > /dev/null 2>&1
-    shopt -s extdebug > /dev/null 2>&1
+
+    # Issue #25. Setting debug trap for subshells causes sessions to exit for
+    # backgrounded subshell commands (e.g. (pwd)& ). Believe this is a bug in Bash.
+    #
+    # Disabling this by default. It can be enabled by setting this variable.
+    if [[ -n "$__bp_enable_subshells" ]]; then
+
+        # Set so debug trap will work be invoked in subshells.
+        set -o functrace > /dev/null 2>&1
+        shopt -s extdebug > /dev/null 2>&1
+    fi;
 
 
     local existing_prompt_command