From 907dddb0ca98e55ff4c01bdfae8a5c1dbb80b97e Mon Sep 17 00:00:00 2001
From: Antonio SJ Musumeci <trapexit@spawn.link>
Date: Sun, 31 Aug 2025 22:40:37 -0500
Subject: [PATCH] checkpoint

---
 src/mfm.cpp         | 72 +++++++++++++++++++++++++++++++++++++++++++++
 src/mfm.hpp         |  7 +++++
 src/mfm_options.hpp | 34 +++++++++++++++++++++
 3 files changed, 113 insertions(+)
 create mode 100644 src/mfm.cpp
 create mode 100644 src/mfm.hpp
 create mode 100644 src/mfm_options.hpp

diff --git a/src/mfm.cpp b/src/mfm.cpp
new file mode 100644
index 00000000..ce976cb0
--- /dev/null
+++ b/src/mfm.cpp
@@ -0,0 +1,72 @@
+#include "mfm.hpp"
+
+#include "mfm_options.hpp"
+
+#include "CLI11.hpp"
+
+static
+void
+_setup_argparser_dup(CLI::App       &app_,
+                     mfm::Opts::Dup &opts_)
+{
+
+}
+
+static
+void
+_setup_argparser_watch(CLI::App         &app_,
+                       mfm::Opts::Watch &opts_)
+{
+
+}
+
+static
+void
+_setup_argparser_migrate(CLI::App           &app_,
+                         mfm::Opts::Migrate &opts_)
+{
+
+}
+
+static
+void
+_setup_argparser_rebalance(CLI::App             &app_,
+                           mfm::Opts::Rebalance &opts_)
+{
+
+}
+
+static
+void
+_setup_argparser(CLI::App  &app_,
+                 mfm::Opts &opts_)
+{
+  _setup_argparser_dup(app_,opts_.dup);
+  _setup_argparser_migrate(app_,opts_.migrate);
+  _setup_argparser_rebalance(app_,opts_.rebalance);
+  _setup_argparser_watch(app_,opts_.watch);
+}
+
+int
+mfm::main(int    argc_,
+          char **argv_)
+{
+  CLI::App app;
+  mfm::Opts opts;
+
+  app.description("mfm: mergerfs filesystem manager");
+  app.name("USAGE:: mfm");
+
+  ::_setup_argparser(app,opts);
+
+  try
+    {
+      app.parse(argc_,argv_);
+    }
+  catch(const CLI::ParseError &e_)
+    {
+      return app.exit(e_);
+    }
+
+  return 0;
+}
diff --git a/src/mfm.hpp b/src/mfm.hpp
new file mode 100644
index 00000000..9ea89b5d
--- /dev/null
+++ b/src/mfm.hpp
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace mfm
+{
+  int main(int    argc,
+           char **argv);
+}
diff --git a/src/mfm_options.hpp b/src/mfm_options.hpp
new file mode 100644
index 00000000..b5f3cd1c
--- /dev/null
+++ b/src/mfm_options.hpp
@@ -0,0 +1,34 @@
+#pragma once
+
+#include "int_types.h"
+
+#include <filesystem>
+#include <string>
+#include <vector>
+
+namespace mfm
+{
+  struct Opts
+  {
+    struct Dup
+    {
+      std::filesystem::path dirpath;
+    } dup;
+
+    struct Watch
+    {
+      std::filesystem::path path;
+    } watch;
+
+    struct Migrate
+    {
+      std::vector<std::filesystem::path> src;
+      std::vector<std::filesystem::path> dst;
+    } migrate;
+
+    struct Rebalance
+    {
+      std::vector<std::filesystem::path> dirpaths;
+    } rebalance;
+  };
+};