Adding an option to display the version and quit

change v to V to be coherent with setup.py

cuckoo/main.py

@@ -248,6 +248,7 @@ def handle_sigterm(sig, f):
  stop()
 
 @click.group(invoke_without_command=True)
+@click.option("-V", "--version", is_flag=True, help="Display the version of Cuckoo")
 @click.option("-d", "--debug", is_flag=True, help="Enable verbose logging")
 @click.option("-q", "--quiet", is_flag=True, help="Only log warnings and critical messages")
 @click.option("--nolog", is_flag=True, help="Don't log to file.")
@@ -256,7 +257,7 @@ def handle_sigterm(sig, f):
 @click.option("--user", help="Drop privileges to this user")
 @click.option("--cwd", help="Cuckoo Working Directory")
 @click.pass_context
-def main(ctx, debug, quiet, nolog, maxcount, ignore_vuln, user, cwd):
+def main(ctx, version, debug, quiet, nolog, maxcount, ignore_vuln, user, cwd):
  """Invoke the Cuckoo daemon or one of its subcommands.
 
  To be able to use different Cuckoo configurations on the same machine with
@@ -271,6 +272,10 @@ def main(ctx, debug, quiet, nolog, maxcount, ignore_vuln, user, cwd):
  * Current directory (if the ".cwd" file exists)
  * Default value ("~/.cuckoo")
  """
+ if version:
+ print(cuckoo.misc.version)
+ return
+
  decide_cwd(cwd)
 
  # Drop privileges.