From 8b6ad0ae9012142caa5b7048c85a9488aa341252 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Wed, 5 Aug 2020 16:17:00 +0200
Subject: [PATCH] Debug function based on environment

---
 index.cgi | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/index.cgi b/index.cgi
index 9d9a3e7..9d7d18f 100755
--- a/index.cgi
+++ b/index.cgi
@@ -9,15 +9,16 @@ esac; done
 [ -z "${_EXEC%/}" ] && _EXEC="$(realpath "${0%/*}")" || _EXEC="${_EXEC%/}"
 [ -z "${_DATA%/}" ] && _DATA=. || _DATA="${_DATA%/}"
 
-# debug() {
-#   local dbg=/dev/stderr
-#   if [ "$#" -gt 0 ]; then
-#     printf '%s\n' "$@" >>"$dbg"
-#   else
-#     tee -a "$dbg"
-#   fi
-# }
-debug() { [ "$#" -gt 0 ] && : || cat; }
+debug() {
+  local dbg=/dev/stderr
+  if [ ! "$DEBUG" ]; then
+    [ "$#" -gt 0 ] && : || cat;
+  elif [ "$#" -gt 0 ]; then
+    printf '%s\n' "$@" >>"$dbg"
+  else
+    tee -a "$dbg"
+  fi
+}
 
 . "$_EXEC/cgilite/cgilite.sh"
 . "$_EXEC/cgilite/session.sh"
-- 
2.39.2