Fix core name not showing if installed.json is not found (#1230)

Author: silvanocerza

Diff for: arduino/cores/packagemanager/loader.go

@@ -172,7 +172,6 @@ func (pm *PackageManager) loadPlatforms(targetPackage *cores.Package, packageDir
 				return fmt.Errorf("loading platform.txt: %w", err)
 			}
 
-			platformName := platformProperties.Get("name")
 			version := semver.MustParse(platformProperties.Get("version"))
 
 			// check if package_bundled_index.json exists
@@ -207,9 +206,6 @@ func (pm *PackageManager) loadPlatforms(targetPackage *cores.Package, packageDir
 			}
 
 			platform := targetPackage.GetOrCreatePlatform(architecture)
-			if platform.Name == "" {
-				platform.Name = platformName
-			}
 			if !isIDEBundled {
 				platform.ManuallyInstalled = true
 			}
@@ -289,6 +285,10 @@ func (pm *PackageManager) loadPlatformRelease(platform *cores.PlatformRelease, p
 		return fmt.Errorf("loading %s: %s", platformTxtLocalPath, err)
 	}
 
+	if platform.Platform.Name == "" {
+		platform.Platform.Name = platform.Properties.Get("name")
+	}
+
 	// Create programmers properties
 	if programmersProperties, err := properties.SafeLoad(programmersTxtPath.String()); err == nil {
 		for programmerID, programmerProperties := range programmersProperties.FirstLevelOf() {

Diff for: test/test_core.py

@@ -469,3 +469,41 @@ def test_core_install_removes_unused_tools(run_command, data_dir):
 
     # Verifies tool is uninstalled since it's not used by newer core version
     assert not tool_path.exists()
+
+
+def test_core_list_with_installed_json(run_command, data_dir):
+    assert run_command("update")
+
+    # Install core
+    url = "https://adafruit.github.io/arduino-board-index/package_adafruit_index.json"
+    assert run_command(f"core update-index --additional-urls={url}")
+    assert run_command(f"core install adafruit:[email protected] --additional-urls={url}")
+
+    # Verifies installed core is correctly found and name is set
+    res = run_command("core list --format json")
+    assert res.ok
+    cores = json.loads(res.stdout)
+    mapped = {core["ID"]: core for core in cores}
+    assert len(mapped) == 1
+    assert "adafruit:avr" in mapped
+    assert mapped["adafruit:avr"]["Name"] == "Adafruit AVR Boards"
+
+    # Deletes installed.json file, this file stores information about the core,
+    # that is used mostly when removing package indexes and their cores are still installed;
+    # this way we don't lose much information about it.
+    # It might happen that the user has old cores installed before the addition of
+    # the installed.json file so we need to handle those cases.
+    installed_json = Path(data_dir, "packages", "adafruit", "hardware", "avr", "1.4.13", "installed.json")
+    installed_json.unlink()
+
+    # Verifies installed core is still found and name is set
+    res = run_command("core list --format json")
+    assert res.ok
+    cores = json.loads(res.stdout)
+    mapped = {core["ID"]: core for core in cores}
+    assert len(mapped) == 1
+    assert "adafruit:avr" in mapped
+    # Name for this core changes since if there's installed.json file we read it from
+    # platform.txt, turns out that this core has different names used in different files
+    # thus the change.
+    assert mapped["adafruit:avr"]["Name"] == "Adafruit Boards"