add version command

2 files changed, 12 insertions, 1 deletions

diff --git a/changes/feature-bitmask-root-versioning b/changes/feature-bitmask-root-versioning
new file mode 100644
index 00000000..bfe69041
--- /dev/null
+++ b/changes/feature-bitmask-root-versioning
@@ -0,0 +1 @@
+- Add versioning support to bitmask-root.
diff --git a/pkg/linux/bitmask-root b/pkg/linux/bitmask-root
index d1bf656e..2c423da1 100755
--- a/pkg/linux/bitmask-root
+++ b/pkg/linux/bitmask-root
@@ -51,6 +51,7 @@ cmdcheck = subprocess.check_output
 ## CONSTANTS
 ##
 
+VERSION = "1"
 SCRIPT = "bitmask-root"
 NAMESERVER = "10.42.0.1"
 BITMASK_CHAIN = "bitmask"
@@ -819,7 +820,12 @@ def firewall_stop():
 
 
 def main():
-    if len(sys.argv) >= 3:
+    """
+    Entry point for cmdline execution.
+    """
+    # TODO use argparse instead.
+
+    if len(sys.argv) >= 2:
         command = "_".join(sys.argv[1:3])
         args = sys.argv[3:]
 
@@ -828,6 +834,10 @@ def main():
             is_restart = True
             args.remove('restart')
 
+        if command == "version":
+            print(VERSION)
+            exit(0)
+
         if command == "openvpn_start":
             openvpn_start(args)