zen command line tool improvements (#212)

- Feature: zen command line tool `cache-info` to show cache, namespace or bucket info
- Feature: zen command line tool `project-info` to show store, project or oplog info
- Feature: zen command line tool `project-drop` to drop project or oplog
- Feature: zen command line tool `gc` to trigger a GC run
- Feature: zen command line tool `gc-info` to check status of GC
- Improvement: zen command line tool now fails on any unrecognized arguments
- Improvement: zen command line tool now displays extra help for all sub-commands
- Improvement: host address can now be configured for zen command line tool `drop` command

changelog

1 files changed, 4 insertions, 1 deletions

diff --git a/zen/cmds/hash.cpp b/zen/cmds/hash.cpp
index 95f960e29..7987d7738 100644
--- a/zen/cmds/hash.cpp
+++ b/zen/cmds/hash.cpp
@@ -65,7 +65,10 @@ HashCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
 {
 	ZEN_UNUSED(GlobalOptions);
 
-	auto result = m_Options.parse(argc, argv);
+	if (!ParseOptions(argc, argv))
+	{
+		return 0;
+	}
 
 	bool valid = m_ScanDirectory.length();