From 930905086410c6426d563ad93ef2ea3f76b57211 Mon Sep 17 00:00:00 2001
From: Ivan Pozdeev <vano@mail.mipt.ru>
Date: Wed, 10 Feb 2021 22:42:18 +0300
Subject: [PATCH] Use a better PS4 as recommeneded by Bash Hackers Wiki

it allows to see functions as well as lines, therefore making it possible to see the control flow
---
 libexec/pyenv | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libexec/pyenv b/libexec/pyenv
index 93debeae..443bf550 100755
--- a/libexec/pyenv
+++ b/libexec/pyenv
@@ -7,7 +7,8 @@ if [ "$1" = "--debug" ]; then
 fi
 
 if [ -n "$PYENV_DEBUG" ]; then
-  export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
+  # https://wiki-dev.bash-hackers.org/scripting/debuggingtips#making_xtrace_more_useful
+  export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
   set -x
 fi