1 files changed, 20 insertions, 0 deletions
diff --git a/src/lib/Bcfg2/Server/Plugins/Cfg/CfgCatFilter.py b/src/lib/Bcfg2/Server/Plugins/Cfg/CfgCatFilter.py
new file mode 100644
index 000000000..f6b175832
--- /dev/null
+++ b/src/lib/Bcfg2/Server/Plugins/Cfg/CfgCatFilter.py
@@ -0,0 +1,20 @@
+import logging
+import Bcfg2.Server.Plugin
+from Bcfg2.Server.Plugins.Cfg import CfgFilter
+
+logger = logging.getLogger(__name__)
+
+class CfgCatFilter(CfgFilter):
+    __extensions__ = ['cat']
+
+    def modify_data(self, entry, metadata, data):
+        datalines = data.strip().split('\n')
+        for line in self.data.split('\n'):
+            if not line:
+                continue
+            if line.startswith('+'):
+                datalines.append(line[1:])
+            elif line.startswith('-'):
+                if line[1:] in datalines:
+                    datalines.remove(line[1:])
+        return "\n".join(datalines) + "\n"