From 1dcdcabdcc763d9a9248d7fc269b3bed04597778 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 01 Sep 2014 14:38:46 -0400
Subject: substvars: Set max depth

---
(limited to 'lib/substvars.sh')

diff --git a/lib/substvars.sh b/lib/substvars.sh
index 40d908b..78de7e3 100644
--- a/lib/substvars.sh
+++ b/lib/substvars.sh
@@ -21,6 +21,8 @@
 [ "x${_SUBSTVARS_SM+set}" = 'xset' ] && return 0
 _SUBSTVARS_SM=1
 
+substvars_max_depth=50
+
 set_substvar()
 {
 	local name="${1}"
@@ -83,7 +85,7 @@ substvars()
 			# side of the matched space.
 			depth=0
 		fi
-		if [ ${depth} -ge ${_OB_SUBSTVARS_MAX_DEPTH} ]; then
+		if [ ${depth} -ge ${substvars_max_depth} ]; then
 			# Warn of possible recursion.
 			ob_warn "$(ob_get_msg 'substvar_deep_nesting')"
 			return 1
--
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