From e6b04d9ffd8bef2482ab61957c138ae92527206d Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 13 Mar 2019 17:15:03 -0400
Subject: Protect [ commands from strings beginning with "-"

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

diff --git a/lib/metadata.sh b/lib/metadata.sh
index e22a6e7..c8201ae 100644
--- a/lib/metadata.sh
+++ b/lib/metadata.sh
@@ -170,8 +170,8 @@ ob_match_arch()
 	for field_arch in ${arch_field}; do
 
 		# "all" == "all"
-		if [ "${match_arch}" = 'all' ]; then
-			if [ "${field_arch}" = 'all' ]; then
+		if [ x"${match_arch}" = x'all' ]; then
+			if [ x"${field_arch}" = x'all' ]; then
 				return 0
 			else
 				continue
@@ -179,7 +179,7 @@ ob_match_arch()
 		fi
 
 		# "foo-bar-baz" == "any"
-		if [ "${field_arch}" = 'any' ]; then
+		if [ x"${field_arch}" = x'any' ]; then
 			return 0
 		fi
 
@@ -215,17 +215,17 @@ ob_match_plat()
 	local p=
 
 	for p in ${plat_field}; do
-		if [ "${plat}" = 'all' ]; then
-			if [ "${p}" = 'all' ]; then
+		if [ x"${plat}" = x'all' ]; then
+			if [ x"${p}" = x'all' ]; then
 				return 0
 			else
 				continue
 			fi
 		fi
-		if [ "${p}" = 'any' ]; then
+		if [ x"${p}" = x'any' ]; then
 			return 0
 		fi
-		if [ "${p}" = "${plat}" ]; then
+		if [ x"${p}" = x"${plat}" ]; then
 			return 0
 		fi
 	done
@@ -242,10 +242,10 @@ ob_arch_is_concerned()
 	local not_arch=
 	local seen_arch=
 
-	if [ "x${arches}" = 'x' ]; then
+	if [ x"${arches}" = x'' ]; then
 		return 0
-	elif [ "x${host_arch}" = 'xall' ]; then
-		if [ "x${arches}" = 'xall' ]; then
+	elif [ x"${host_arch}" = x'all' ]; then
+		if [ x"${arches}" = x'all' ]; then
 			return 0
 		else
 			return 1
@@ -254,7 +254,7 @@ ob_arch_is_concerned()
 		seen_arch=1
 		for arch in ${arches}; do
 			not_arch="${arch#!}"
-			if [ "${not_arch}" != "${arch}" ]; then
+			if [ x"${not_arch}" != x"${arch}" ]; then
 				if ob_match_arch "${host_arch}" "${not_arch}"
 				then
 					seen_arch=1
@@ -280,10 +280,10 @@ ob_plat_is_concerned()
 	local not_plat=
 	local seen_plat=
 
-	if [ "x${plats}" = 'x' ]; then
+	if [ x"${plats}" = x'' ]; then
 		return 0
-	elif [ "x${host_plat}" = 'xall' ]; then
-		if [ "x${plats}" = 'xall' ]; then
+	elif [ x"${host_plat}" = x'all' ]; then
+		if [ x"${plats}" = x'all' ]; then
 			return 0
 		else
 			return 1
@@ -292,7 +292,7 @@ ob_plat_is_concerned()
 		seen_plat=1
 		for plat in ${plats}; do
 			not_plat="${plat#!}"
-			if [ "${not_plat}" != "${plat}" ]; then
+			if [ x"${not_plat}" != x"${plat}" ]; then
 				if ob_match_plat "${host_plat}" "${not_plat}"
 				then
 					seen_plat=1
--
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