From e73f88e70b9f547bb8306f1f5715c898426f87b8 Mon Sep 17 00:00:00 2001
From: Sean Dague <sean@dague.net>
Date: Wed, 3 Feb 2016 06:58:39 -0500
Subject: [PATCH] tweak ps4 for readability

After staring at a bunch of logs, try to crisp up the ps4 output for
maximum readability.

This also adds PS4 to all calling scripts by having a common PS4 in
stackrc. It should make understanding when clean fails a bit more
straight forward.

Change-Id: Ia1f8dff5c1102c32c146a020a9f033c65d2c50de
---
 clean.sh   | 1 +
 stack.sh   | 1 -
 stackrc    | 3 +++
 unstack.sh | 2 ++
 4 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/clean.sh b/clean.sh
index c8b822317d..3db48585ec 100755
--- a/clean.sh
+++ b/clean.sh
@@ -51,6 +51,7 @@ source $TOP_DIR/lib/swift
 source $TOP_DIR/lib/heat
 source $TOP_DIR/lib/neutron-legacy
 
+set -o xtrace
 
 # Extras Source
 # --------------
diff --git a/stack.sh b/stack.sh
index d261787278..c21ff77742 100755
--- a/stack.sh
+++ b/stack.sh
@@ -23,7 +23,6 @@
 # Print the commands being run so that we can see the command that triggers
 # an error.  It is also useful for following along as the install occurs.
 set -o xtrace
-export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
 
 # Make sure custom grep options don't get in the way
 unset GREP_OPTIONS
diff --git a/stackrc b/stackrc
index 58146a4a1c..887d4b31ff 100644
--- a/stackrc
+++ b/stackrc
@@ -14,6 +14,9 @@ unset LANGUAGE
 LC_ALL=C
 export LC_ALL
 
+# Make tracing more educational
+export PS4='+ ${BASH_SOURCE}:${FUNCNAME[0]}:L${LINENO}:   '
+
 # Find the other rc files
 RC_DIR=$(cd $(dirname "${BASH_SOURCE:-$0}") && pwd)
 
diff --git a/unstack.sh b/unstack.sh
index 8eded837fd..47beb04263 100755
--- a/unstack.sh
+++ b/unstack.sh
@@ -87,6 +87,8 @@ load_plugin_settings
 # ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
 GetOSVersion
 
+set -o xtrace
+
 # Run extras
 # ==========