From dcf9e96aa3a3530b6f0e6afba8dc0c102b89dd51 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Thu, 02 Jul 2020 18:36:56 -0400
Subject: Prefix "static" vars with "_"

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

diff --git a/src/substvars.sh b/src/substvars.sh
index bc0b052..7c72ed5 100644
--- a/src/substvars.sh
+++ b/src/substvars.sh
@@ -18,8 +18,8 @@
 # along with the ProteanOS Development Kit.  If not, see
 # <http://www.gnu.org/licenses/>.
 
-SUBSTVARS_MAX_DEPTH=50
-SUBSTVAR_TRIM_SED='
+_SUBSTVARS_MAX_DEPTH=50
+_SUBSTVAR_TRIM_SED='
 	H;             # Store each input line in the hold space.
 	${             # At the last line of input:
 	  g;           # restore the hold space into the pattern space,
@@ -44,7 +44,7 @@ set_substvar()
 	name="$(printf '%s' "${name}" | tr 'A-Z-' 'a-z_')"
 
 	# Trim leading and trailing whitespace from value.
-	value="$(printf '%s' "${value}" | sed -n "${SUBSTVAR_TRIM_SED}")"
+	value="$(printf '%s' "${value}" | sed -n "${_SUBSTVAR_TRIM_SED}")"
 
 	eval "substvar_${name}=\"\${value}\""
 
@@ -82,7 +82,7 @@ substvars()
 			# side of the matched space.
 			depth=0
 		fi
-		if [ ${depth} -ge ${SUBSTVARS_MAX_DEPTH} ]; then
+		if [ ${depth} -ge ${_SUBSTVARS_MAX_DEPTH} ]; then
 			# Warn of possible recursion.
 			warn "$(get_msg 'substvar_deep_nesting')"
 			return 1
--
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