cufetchpm: add arguments (ultra WIP)

Author: Toni500github

cufetchpm/include/pluginManager.hpp

@@ -1,7 +1,6 @@
 #ifndef _PLUGIN_MANAGER_HPP_
 #define _PLUGIN_MANAGER_HPP_
 
-#include <array>
 #include <filesystem>
 #include <string>
 #include <string_view>
@@ -10,7 +9,7 @@
 #include "stateManager.hpp"
 #include "util.hpp"
 
-constexpr std::array<std::string_view, 1> dependencies = { "git" };  // expand in the future, maybe
+constexpr std::string_view dependencies[] = { "git" };  // expand in the future, maybe
 
 #define BOLD_COLOR(x) (fmt::emphasis::bold | fmt::fg(fmt::rgb(x)))
 

cufetchpm/src/main.cpp

@@ -1,8 +1,79 @@
+#include <getopt.h>
+
 #include "pluginManager.hpp"
 #include "stateManager.hpp"
+#if (!__has_include("version.h"))
+#error "version.h not found, please generate it with ./scripts/generateVersion.sh"
+#else
+#include "version.h"
+#endif
+
+static void version()
+{
+    fmt::print(
+        "cufetchpm {} built from branch '{}' at {} commit '{}' ({}).\n"
+        "Date: {}\n"
+        "Tag: {}\n",
+        VERSION, GIT_BRANCH, GIT_DIRTY, GIT_COMMIT_HASH, GIT_COMMIT_MESSAGE, GIT_COMMIT_DATE, GIT_TAG);
+
+    // if only everyone would not return error when querying the program version :(
+    std::exit(EXIT_SUCCESS);
+}
+
+static void help(int invalid_opt = false)
+{
+    constexpr std::string_view help(
+        R"(Usage: cufetchpm [OPERATION] [ARGUMENTS] [OPTIONS]...
+Manage plugins for customfetch.
+NOTE: the operations must be the first argument to pass
+
+    -h, --help          Print this help menu.
+    -V, --version       Print version and other infos about the build.
+
+OPERATIONS:
+    add - Add a new plugin repository. Takes as an argument the git url to be cloned.
+)");
+
+    fmt::print("{}", help);
+    fmt::print("\n");
+    std::exit(invalid_opt);
+}
+
+static bool parseargs(int argc, char* argv[])
+{
+    int opt = 0;
+    int option_index = 0;
+    const char *optstring = "-Vh";
+    static const struct option opts[] = {
+        {"version", no_argument, 0, 'V'},
+        {"help",    no_argument, 0, 'h'},
+
+        {0,0,0,0}
+    };
+
+    /* parse operation */
+    optind = 0;
+    while ((opt = getopt_long(argc, argv, optstring, opts, &option_index)) != -1)
+    {
+        switch (opt)
+        {
+            case 0:   break;
+            case '?': help(EXIT_FAILURE); break;
+
+            case 'V': version(); break;
+            case 'h': help(); break;
+            default:  return false;
+        }
+    }
+
+    return true;
+}
 
 int main(int argc, char* argv[])
 {
+    if (!parseargs(argc, argv))
+        return -1;
+
     std::filesystem::create_directories({ getHomeCacheDir() / "cufetchpm" / "plugins" });
     StateManager  state;
     PluginManager man(std::move(state));

src/main.cpp

@@ -124,7 +124,7 @@ static void help(bool invalid_opt = false)
 {
     constexpr std::string_view help(
         R"(Usage: customfetch [OPTIONS]...
-A command-line, GUI, and Android widget system information tool (like neofetch) focused on customizability and performance.
+A command-line, GUI app, and Android widget system information tool (like neofetch) focused on customizability and performance.
 
 NOTE: Boolean flags [<BOOL>] accept: "true", 1, "enable", or empty. Any other value is treated as false.