Merge two facts: shorewall_version && shorewall_major_version. The first one would be line 1 and the second one would take the value of the first fact and do the stuff we see here.

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/facter/shorewall_version.rb b/lib/facter/shorewall_version.rb
new file mode 100644
index 0000000..9c53ec2
--- /dev/null
+++ b/lib/facter/shorewall_version.rb
@@ -0,0 +1,10 @@
+Facter.add("shorewall_major_version") do
+  setcode do
+    shorewall_version = Facter::Util::Resolution.exec('shorewall version')
+    if shorewall_version != nil
+        shorewall_major_version = shorewall_version.split('.').first
+    else
+      shorewall_major_version = '-1'
+    end
+  end
+end