[M5+] drop curated linkdb JSON; SQLite overlay is the single source

tests/cmd_add.cpp

@@ -1,12 +1,15 @@
 #include <catch2/catch_test_macros.hpp>
 
 import cargoxx.cli;
+import cargoxx.linkdb;
 import cargoxx.manifest;
 import cargoxx.util;
 import std;
 
 using cargoxx::cli::cmd_add;
 using cargoxx::cli::cmd_new;
+using cargoxx::linkdb::Database;
+using cargoxx::linkdb::Recipe;
 using cargoxx::util::ErrorCode;
 namespace manifest = cargoxx::manifest;
 
@@ -36,11 +39,25 @@ auto scaffold(const std::filesystem::path& parent) -> std::filesystem::path {
     return parent / "app";
 }
 
+auto seed_fmt(const std::filesystem::path& overlay) {
+    auto db = Database::open(overlay);
+    REQUIRE(db.has_value());
+    REQUIRE(db->add_manual("fmt", "*",
+                            Recipe{
+                                .nixpkgs_attr = "fmt_10",
+                                .find_package = "fmt CONFIG REQUIRED",
+                                .targets = {"fmt::fmt"},
+                                .source = "manual",
+                            })
+                .has_value());
+}
+
 } // namespace
 
 TEST_CASE("cmd_add appends a string-form dependency", "[cli][add]") {
     auto parent = fresh_dir();
     auto root = scaffold(parent);
+    seed_fmt(overlay_path(parent));
 
     auto r = cmd_add(root, "fmt", "10.2.0", {}, overlay_path(parent));
     REQUIRE(r.has_value());
@@ -53,25 +70,10 @@ TEST_CASE("cmd_add appends a string-form dependency", "[cli][add]") {
     REQUIRE(m->dependencies[0].components.empty());
 }
 
-TEST_CASE("cmd_add stores components when provided", "[cli][add]") {
-    auto parent = fresh_dir();
-    auto root = scaffold(parent);
-
-    auto r = cmd_add(root, "abseil-cpp", "20240116.0", {"strings", "base"},
-                     overlay_path(parent));
-    REQUIRE(r.has_value());
-
-    auto m = manifest::parse(root / "Cargoxx.toml");
-    REQUIRE(m.has_value());
-    REQUIRE(m->dependencies.size() == 1);
-    REQUIRE(m->dependencies[0].name == "abseil-cpp");
-    REQUIRE(m->dependencies[0].components ==
-            std::vector<std::string>{"strings", "base"});
-}
-
 TEST_CASE("cmd_add accepts an empty version and stores '*'", "[cli][add]") {
     auto parent = fresh_dir();
     auto root = scaffold(parent);
+    seed_fmt(overlay_path(parent));
 
     auto r = cmd_add(root, "fmt", "", {}, overlay_path(parent));
     REQUIRE(r.has_value());
@@ -105,6 +107,7 @@ TEST_CASE("cmd_add rejects an unknown package", "[cli][add]") {
 TEST_CASE("cmd_add rejects an already-declared dep", "[cli][add]") {
     auto parent = fresh_dir();
     auto root = scaffold(parent);
+    seed_fmt(overlay_path(parent));
 
     REQUIRE(cmd_add(root, "fmt", "10.2.0", {}, overlay_path(parent)).has_value());
 
@@ -112,13 +115,3 @@ TEST_CASE("cmd_add rejects an already-declared dep", "[cli][add]") {
     REQUIRE_FALSE(r.has_value());
     REQUIRE(r.error().code == ErrorCode::ManifestInvalidField);
 }
-
-TEST_CASE("cmd_add rejects componentized package without components",
-          "[cli][add]") {
-    auto parent = fresh_dir();
-    auto root = scaffold(parent);
-
-    auto r = cmd_add(root, "abseil-cpp", "20240116.0", {}, overlay_path(parent));
-    REQUIRE_FALSE(r.has_value());
-    REQUIRE(r.error().code == ErrorCode::LinkdbComponentNotSupported);
-}