'Generic Commit'

source/src/commands/hash.cpp

@@ -0,0 +1,83 @@
+#include "command_registry.hpp"
+#include "config.hpp"
+#include "utils/utils.hpp"
+#include "utils/directories.hpp"
+#include "shared_commands.hpp"
+#include "version.hpp"
+#include "hash.hpp"
+
+#include <unistd.h>
+#include <cstring>
+#include <iostream>
+#include <sstream>
+#include <filesystem>
+#include <libassert/assert.hpp>
+
+namespace dropshell {
+
+void hash_autocomplete(const CommandContext& ctx);
+int hash_handler(const CommandContext& ctx);
+
+static std::vector<std::string> hash_name_list={"hash"};
+
+// Static registration
+struct HashCommandRegister {
+    HashCommandRegister() {
+        CommandRegistry::instance().register_command({
+            hash_name_list,
+            hash_handler,
+            hash_autocomplete,
+            false, // hidden
+            false, // requires_config
+            false, // requires_install
+            0,     // min_args (after command)
+            1,     // max_args (after command)
+            "hash [FILE|DIRECTORY]",
+            "Hash a file or directory.",
+            // heredoc
+            R"(
+            Hash a file or directory recursively.
+            )"
+        });
+    }
+} hash_command_register;
+
+
+void hash_autocomplete(const CommandContext& ctx) {
+    if (ctx.args.size() == 0) {
+        // list all files and directories in the current directory
+        for (const auto& entry : std::filesystem::directory_iterator(".")) {
+            rawout << entry.path().string() << std::endl;
+        }
+    }
+    return;
+}
+
+int hash_handler(const CommandContext& ctx) {
+    std::filesystem::path path = safearg(ctx.args, 0);
+    if (path.empty())
+      path=std::filesystem::current_path();
+
+    if (!std::filesystem::exists(path))
+    {
+        error << "Does not exist: " << path.string() << std::endl;
+        return 1;
+    }
+
+    if (std::filesystem::is_directory(path))
+    {
+        // hash the directory recursively
+        uint64_t hash = hash_directory_recursive(path.string());
+        std::cout << hash << std::endl;
+    }
+    else
+    {
+        // hash the file
+        uint64_t hash = hash_file(path.string());
+        std::cout << hash << std::endl;
+    }
+    return 0;
+}
+
+
+} // namespace dropshell