From 85679ad72e61e4fc6c25079c3d17dda7e9a097d2 Mon Sep 17 00:00:00 2001
From: "Andrew R. M" <nixy@nixy.moe>
Date: Fri, 4 Apr 2025 17:43:05 +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 1fb1d7a..b76abe3 100644
--- a/bash/.bashrc
+++ b/bash/.bashrc
@@ -130,6 +130,23 @@ 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