From d1d4ea370080589ef7b6d891fdf70d433485187c Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sun, 18 Aug 2013 11:58:23 -0400
Subject: lib/*.sh, lib/*/*.sh: Rewrite include guards.

This is one step toward adding `set -u` to opkbuild.
---
(limited to 'lib/metadata')

diff --git a/lib/metadata/proteanos.sh b/lib/metadata/proteanos.sh
index 493f30a..830b205 100644
--- a/lib/metadata/proteanos.sh
+++ b/lib/metadata/proteanos.sh
@@ -17,8 +17,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-[ -n "${_OB_METADATA_PROTEANOS_SM}" ] && return 0
-_OB_METADATA_PROTEANOS_SM='true'
+[ x"${_OB_METADATA_PROTEANOS_SM+set}" = x'set' ] && return 0
+_OB_METADATA_PROTEANOS_SM=1
 
 _OB_NAME_RE_PROTEANOS='^[a-z0-9][a-z0-9+.-]+$'
 _OB_VERSION_RE_PROTEANOS='^'
--
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