renamed some files, implemented stage and package sealing, and introduced scaffolding for signing

modules/build/include/commands.hpp

@@ -3,7 +3,9 @@
 #include "cli_parsers.hpp"
 #include <dpmdk/include/CommonModuleAPI.hpp>
 #include <filesystem>
-#include "package_staging.hpp"
+#include "staging.hpp"
+#include "signing.hpp"
+#include "sealing.hpp"  // Added this include
 #include <map>
 #include <sstream>
 
@@ -29,6 +31,17 @@ int cmd_stage(int argc, char** argv);
  */
 int cmd_manifest(int argc, char** argv);
 
+/**
+ * @brief Handler for the sign command
+ *
+ * Signs a DPM package or package stage directory using GPG.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_sign(int argc, char** argv);
+
 /**
  * @brief Handler for the help command
  *
@@ -40,7 +53,6 @@ int cmd_manifest(int argc, char** argv);
  */
 int cmd_help(int argc, char** argv);
 
-
 /**
  * @brief Handler for the help command
  *
@@ -52,6 +64,17 @@ int cmd_help(int argc, char** argv);
  */
 int cmd_stage_help(int argc, char** argv);
 
+/**
+ * @brief Handler for the sign help command
+ *
+ * Displays information about sign command options.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_sign_help(int argc, char** argv);
+
 /**
  * @brief Handler for the manifest help command
  *
@@ -73,4 +96,51 @@ int cmd_manifest_help(int argc, char** argv);
  * @param argv Array of arguments
  * @return 1 to indicate failure
  */
-int cmd_unknown(const char* command, int argc, char** argv);
+int cmd_unknown(const char* command, int argc, char** argv);
+
+/**
+ * @brief Handler for the seal command
+ *
+ * Seals a DPM package stage directory by replacing contents, metadata,
+ * hooks, and signatures directories with gzipped tarballs.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_seal(int argc, char** argv);
+
+/**
+ * @brief Handler for the seal help command
+ *
+ * Displays information about seal command options.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_seal_help(int argc, char** argv);
+
+/**
+ * @brief Handler for the unseal command
+ *
+ * Unseals a DPM package file by extracting and expanding the gzipped
+ * tarballs back into a package stage directory structure.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_unseal(int argc, char** argv);
+
+/**
+ * @brief Handler for the unseal help command
+ *
+ * Displays information about unseal command options.
+ *
+ * @param argc Number of arguments
+ * @param argv Array of arguments
+ * @return 0 on success, non-zero on failure
+ */
+int cmd_unseal_help(int argc, char** argv);
+