'pkg repo ls' to list registered package repos

src/dds/cli/cmd/pkg_repo_ls.cpp

+#include "../options.hpp"
+
+#include "./pkg_repo_err_handle.hpp"
+
+#include <dds/pkg/db.hpp>
+#include <dds/pkg/remote.hpp>
+
+#include <neo/sqlite3/iter_tuples.hpp>
+
+namespace dds::cli::cmd {
+
+static int _pkg_repo_ls(const options& opts) {
+    auto                       pkg_db = opts.open_catalog();
+    neo::sqlite3::database_ref db     = pkg_db.database();
+
+    auto st   = db.prepare("SELECT name, remote_url, db_mtime FROM dds_pkg_remotes");
+    auto tups = neo::sqlite3::iter_tuples<std::string, std::string, std::optional<std::string>>(st);
+    for (auto [name, remote_url, mtime] : tups) {
+        fmt::print("Remote '{}':\n", name);
+        fmt::print("  Updates URL: {}\n", remote_url);
+        if (mtime) {
+            fmt::print("  Last Modified: {}\n", *mtime);
+        }
+        fmt::print("\n");
+    }
+    return 0;
+}
+
+int pkg_repo_ls(const options& opts) {
+    return handle_pkg_repo_remote_errors([&] { return _pkg_repo_ls(opts); });
+}
+
+}  // namespace dds::cli::cmd

src/dds/cli/dispatch_main.cpp

 command pkg_ls;
 command pkg_repo_add;
 command pkg_repo_update;
+command pkg_repo_ls;
 command repoman_add;
 command repoman_import;
 command repoman_init;
                     return cmd::pkg_repo_add(opts);
                 case cli_pkg_repo_subcommand::update:
                     return cmd::pkg_repo_update(opts);
+                case cli_pkg_repo_subcommand::ls:
+                    return cmd::pkg_repo_ls(opts);
                 case cli_pkg_repo_subcommand::_none_:;
                 }
                 neo::unreachable();

src/dds/cli/options.cpp

             .name = "update",
             .help = "Update package repository information",
         });
+        pkg_repo_grp.add_parser({
+            .name = "ls",
+            .help = "List locally registered package repositories",
+        });
     }
 
     void setup_pkg_repo_add_cmd(argument_parser& pkg_repo_add_cmd) noexcept {

src/dds/cli/options.hpp

     _none_,
     add,
     update,
+    ls,
 };
 
 /**

tests/test_pkg_db.py

+from dds_ci.dds import DDSWrapper
 from dds_ci.testing import Project, RepoFixture
 
 
     tmp_project.dds.pkg_get('neo-sqlite3@0.3.0')
     assert tmp_project.root.joinpath('neo-sqlite3@0.3.0').is_dir()
     assert tmp_project.root.joinpath('neo-sqlite3@0.3.0/package.jsonc').is_file()
+
+
+def test_pkg_repo(http_repo: RepoFixture, tmp_project: Project) -> None:
+    dds = tmp_project.dds
+    dds.repo_add(http_repo.url)
+    dds.run(['pkg', 'repo', 'ls'])