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, 6 insertions, 16 deletions

diff --git a/zen/cmds/print.cpp b/zen/cmds/print.cpp
index 067dc844a..67191605c 100644
--- a/zen/cmds/print.cpp
+++ b/zen/cmds/print.cpp
@@ -34,6 +34,7 @@ PrintCommand::PrintCommand()
 {
 	m_Options.add_options()("h,help", "Print help");
 	m_Options.add_option("", "s", "source", "Object payload file", cxxopts::value(m_Filename), "<file name>");
+	m_Options.parse_positional({"source"});
 }
 
 PrintCommand::~PrintCommand() = default;
@@ -41,16 +42,10 @@ PrintCommand::~PrintCommand() = default;
 int
 PrintCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
 {
-	ZEN_UNUSED(GlobalOptions, argc, argv);
-
-	m_Options.parse_positional({"source"});
+	ZEN_UNUSED(GlobalOptions);
 
-	auto result = m_Options.parse(argc, argv);
-
-	if (result.count("help"))
+	if (!ParseOptions(argc, argv))
 	{
-		std::cout << m_Options.help({"", "Group"}) << std::endl;
-
 		return 0;
 	}
 
@@ -153,6 +148,7 @@ PrintPackageCommand::PrintPackageCommand()
 {
 	m_Options.add_options()("h,help", "Print help");
 	m_Options.add_option("", "s", "source", "Package payload file", cxxopts::value(m_Filename), "<file name>");
+	m_Options.parse_positional({"source"});
 }
 
 PrintPackageCommand::~PrintPackageCommand()
@@ -162,16 +158,10 @@ PrintPackageCommand::~PrintPackageCommand()
 int
 PrintPackageCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
 {
-	ZEN_UNUSED(GlobalOptions, argc, argv);
-
-	m_Options.parse_positional({"source"});
+	ZEN_UNUSED(GlobalOptions);
 
-	auto result = m_Options.parse(argc, argv);
-
-	if (result.count("help"))
+	if (!ParseOptions(argc, argv))
 	{
-		std::cout << m_Options.help({"", "Group"}) << std::endl;
-
 		return 0;
 	}