Bash-5.2 patch 28: fix terminal pgrp handling in DEBUG trap

2 files changed, 4 insertions, 2 deletions

diff --git a/patchlevel.h b/patchlevel.h
index b534802b..7abb1edb 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 27
+#define PATCHLEVEL 28
 
 #endif /* _PATCHLEVEL_H_ */
diff --git a/trap.c b/trap.c
index e56f6cc3..465c3360 100644
--- a/trap.c
+++ b/trap.c
@@ -1216,7 +1216,9 @@ run_debug_trap ()
       close_pgrp_pipe ();
       restore_pgrp_pipe (save_pipe);
 #  endif
-      if (pipeline_pgrp > 0 && ((subshell_environment & (SUBSHELL_ASYNC|SUBSHELL_PIPE)) == 0))
+      /* If the trap command gave the terminal to another process group,
+	 restore it. XXX - check running_in_background? */
+      if (job_control && pipeline_pgrp > 0 && ((subshell_environment & (SUBSHELL_ASYNC|SUBSHELL_PIPE)) == 0))
 	give_terminal_to (pipeline_pgrp, 1);
 
       notify_and_cleanup ();