From b3cecbaf2286ea6f460ac9a03845d7e0cc60094f Mon Sep 17 00:00:00 2001
From: anmiller <anmiller@penguinrandomhouse.com>
Date: Fri, 17 Jan 2025 20:03:16 +0000
Subject: [PATCH] Improve Xtrace by hiding output of prompt commands

---
 bash/.bashrc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/bash/.bashrc b/bash/.bashrc
index 18319d3..534c0c0 100644
--- a/bash/.bashrc
+++ b/bash/.bashrc
@@ -116,6 +116,23 @@ if [ -f "$HOME/.private_functions" ] && [ -r "$HOME/.private_functions" ]; then
   . "$HOME/.private_functions"
 fi
 
+# Preserve the usefulness of set -x by attempting to hide everything that
+# happens in prompt_command
+preserve_xtrace() {
+  if grep -q "x" <<< $-; then
+    XTRACE_WAS_SET=1
+    set +x
+  fi
+} 2>/dev/null
+preserve_xtrace_reset() {
+  if [ "${XTRACE_WAS_SET}" ]; then
+    set -x
+    unset XTRACE_WAS_SET
+  fi
+} 2>/dev/null
+
+PROMPT_COMMAND="preserve_xtrace; $PROMPT_COMMAND; preserve_xtrace_reset"
+
 if $(which direnv &> /dev/null); then
   eval "$(direnv hook bash)"
 fi