Prevent redundant sourcing of core lib

InCommon · May 5, 2017 · 0bcc6b9 · 0bcc6b9
1 parent e96b906
commit 0bcc6b9
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/core_lib.sh b/lib/core_lib.sh
@@ -16,7 +16,12 @@
 # limitations under the License.
 #######################################################################
 
-_COMPATIBILITY_MODE=true
+# this script need only be sourced once
+if [ "$_COMPATIBILITY_MODE" = true ]; then
+	return
+else
+	_COMPATIBILITY_MODE=true
+fi
 
 #######################################################################
 # Specify the absolute path to each shell command file.