fix cd bug in ds_run, and fix ds ssh so it doesnt hang process

source/src/utils/execute.cpp

@@ -56,6 +56,23 @@ namespace dropshell
         }
     }
 
+    // ----------------------------------------------------------------------------------------------------------
+    // execute_local_command_replace - replaces current process with the command (never returns on success)
+    // ----------------------------------------------------------------------------------------------------------
+    bool execute_local_command_replace(const std::string &full_command)
+    {
+        if (full_command.empty())
+            return false;
+
+        // Use exec to replace the current process with a shell running the command
+        // This means dropshell exits immediately and ssh (or whatever) takes over
+        execlp("/bin/bash", "bash", "-c", full_command.c_str(), nullptr);
+
+        // If we get here, exec failed
+        perror("exec failed");
+        return false;
+    }
+
     // ----------------------------------------------------------------------------------------------------------
     // execute_local_command
     // ----------------------------------------------------------------------------------------------------------
@@ -117,6 +134,18 @@ namespace dropshell
     {
         sCommand command(directory_to_run_in, command_to_run, env_vars);
 
+        if (hasFlag(mode, cMode::ReplaceProcess))
+        {
+            ASSERT(output == nullptr, "ReplaceProcess mode and an output string cannot be used together");
+            // For ReplaceProcess, run the command directly without bb64 wrapping
+            // (the caller is responsible for constructing the full command)
+            std::string full_cmd = command_to_run;
+            if (!directory_to_run_in.empty())
+                full_cmd = "cd " + quote(directory_to_run_in) + " && " + full_cmd;
+            return execute_local_command_replace(full_cmd);
+            // Note: execute_local_command_replace never returns on success
+        }
+
         if (hasFlag(mode, cMode::Interactive))
         {
             ASSERT(output == nullptr, "Interactive mode and an output string cannot be used together");