feat: add template override command

[Morgy93]

This pull request introduces a new mageforge:template:override CLI command for copying Magento module templates into themes as overrides, following Magento's fallback logic. It adds comprehensive documentation for the new command, implements supporting services for resolving template fallback and compatibility modules (including Hyvä compat modules), and provides configurable options for the override process. Additionally, the minimum mutation score threshold is slightly reduced in the test configuration.

New Template Override Command and Core Services:

• Introduced the mageforge:template:override command, allowing users to copy module templates (including Hyvä compat and email/static files) into themes as overrides, with options for dry-run, force, and theme selection. The command uses Magento's fallback logic and cleans caches after copying. (docs/commands_reference.md, .github/workflows/magento-compatibility.yml, src/Model/Config/TemplateOverride.php, src/Model/TemplateReference.php, src/Model/TemplateType.php) [1][2][3][4][5][6][7][8]

• Added AreaEmulator service to load area-specific DI configuration, ensuring fallback plugins (like Hyvä's) are active during CLI execution.

• Added CompatModuleResolver to map Hyvä compatibility modules to their original modules, supporting correct template placement and source resolution.

• Added TemplateFallbackResolver to determine the fallback directories and resolve the effective template file using Magento's own fallback rules, handling all template types and edge cases.

• Added TemplateCopier to copy template files to their override location, optionally prepending a header with source information and module version (configurable via system settings).

Documentation and Workflow Updates:

• Updated docs/commands_reference.md with a detailed reference and usage guide for the new mageforge:template:override command, including arguments, options, and behavior.

• Updated GitHub workflow (.github/workflows/magento-compatibility.yml) to include help checks for the new override command in both MageForge and frontend command namespaces. [1][2]

Testing and Quality Configuration:

• Lowered the minimum mutation score indicator (minCoveredMsi) from 85 to 84 in infection.json5 to reflect the current test coverage and quality thresholds.

Fixes#110

[Copilot]

Pull request overview

Adds a new “template override” feature to MageForge, centred around a CLI command that resolves Magento’s real template fallback chain (including Hyvä compat behaviour) and copies the effective source template into a theme override location.

Changes:

• Introduces mageforge:template:override CLI command to copy templates into a target theme, with --dry-run and --force support.
• Adds TemplateOverride services (TemplatePathParser, TemplateFallbackResolver, TemplateCopier, AreaEmulator, CompatModuleResolver) plus a TemplateReference value object.
• Adds unit tests and extends command documentation.

Reviewed changes

Copilot reviewed 18 out of 18 changed files in this pull request and generated 11 comments.

Show a summary per file

File	Description
tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php	Unit tests for parsing template identifiers/paths into a normalised reference.
tests/Unit/Service/TemplateOverride/TemplateFallbackResolverTest.php	Tests directory fallback order and theme-target directory detection.
tests/Unit/Service/TemplateOverride/TemplateCopierTest.php	Tests copying behaviour incl. directory creation.
tests/Unit/Service/TemplateOverride/FakeTheme.php	Minimal ThemeInterface test double used by override-related unit tests.
tests/Unit/Service/TemplateOverride/FakeCompatModuleRegistry.php	Test double for Hyvä’s compat registry (optional dependency).
tests/Unit/Service/TemplateOverride/CompatModuleResolverTest.php	Tests compat-module-to-original-module mapping logic.
tests/Unit/Service/TemplateOverride/AreaEmulatorTest.php	Tests loading area DI configuration into the CLI object manager.
tests/Unit/Model/TemplateReferenceTest.php	Tests the new TemplateReference value object.
tests/Unit/Console/Command/Template/OverrideCommandTest.php	Tests the new CLI command’s non-interactive behaviour and copy flow.
src/Service/TemplateOverride/TemplatePathParser.php	Parses user template input and normalises Hyvä compat module references.
src/Service/TemplateOverride/TemplateFallbackResolver.php	Uses Magento RulePool to compute fallback dirs and resolve source files.
src/Service/TemplateOverride/TemplateCopier.php	Copies templates to theme override targets and ensures directories exist.
src/Service/TemplateOverride/CompatModuleResolver.php	Soft-dependency resolver for Hyvä compat registry mapping.
src/Service/TemplateOverride/AreaEmulator.php	Loads area DI config so fallback plugins apply in CLI context.
src/Model/TemplateReference.php	Value object for Module_Name::path/to/template.phtml references.
src/etc/di.xml	Registers the new CLI command with Magento’s command list.
src/Console/Command/Template/OverrideCommand.php	Implements the mageforge:template:override command and interactive prompts.
docs/commands_reference.md	Documents the new command in the CLI reference.

[Copilot]

Pull request overview

Copilot reviewed 19 out of 19 changed files in this pull request and generated 3 comments.

[Copilot]

Pull request overview

Copilot reviewed 19 out of 19 changed files in this pull request and generated 1 comment.

Suppressed comments (10)

src/Console/Command/Template/OverrideCommand.php:87

• PR metadata says this “Fixes #110”, but issue #110 requests a mageforge:theme:copy-vendor-file /path/to/file themeName command (copy vendor files), while this PR introduces mageforge:template:override with different naming and semantics (templates only, theme via option). If the new command is intended to satisfy #110, either align the command name/arguments (or add a compatibility alias), or update the issue/PR description to reflect the new UX so the fix reference is accurate.

 $this
->setName($this->getCommandName('template', 'override'))
->setDescription('Copies a module template into a theme, following Magento\'s fallback logic')
->addArgument(
'template',
InputArgument::OPTIONAL,
'Template to override (Module_Name::path/to/template.phtml or a file path)',
)
->addOption('theme', 't', InputOption::VALUE_REQUIRED, 'Target theme code (format: Vendor/theme)')
->addOption(
'dry-run',
null,
InputOption::VALUE_NONE,
'Only show source, target and fallback order without copying',
)
->addOption(
'force',
'f',
InputOption::VALUE_NONE,
'Replace an existing override with the next file in the fallback chain',
)
->setAliases(['template:override']);
}

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:76

• expectExceptionMessage() asserts the entire exception message. This expectation currently only includes a substring, so the test will fail against the actual message thrown by TemplatePathParser.

 public function testRejectsModuleNotationWithoutPath(): void
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Expected format: Module_Name::path/to/template.phtml');
$this->parser->parse('Magento_Catalog::');

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:86

• This test expects a partial error message, but expectExceptionMessage() requires an exact match; also the implementation includes additional context (“in this installation.”). Update the expected message to match TemplatePathParser.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage("Module 'Unknown_Module' is not registered");
$this->parser->parse('Unknown_Module::some/template.phtml');

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:94

• expectExceptionMessage() needs an exact message. TemplatePathParser includes the full path in the error, so this expectation should match it exactly for this input.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('must not contain relative path segments');
$this->parser->parse('Magento_Catalog::../../../etc/env.phtml');

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:103

• Same as above: the implementation throws a full, specific message including the provided path, so the expected message should match exactly.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('must not contain relative path segments');
$this->parser->parse('Magento_Catalog::product/..');
}

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:111

• Same as above: update the expected message to match the exact exception message produced for this input path.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('must not contain relative path segments');
$this->parser->parse('Magento_Catalog::product/./details.phtml');
}

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:160

• This expectation only checks a substring, but expectExceptionMessage() requires an exact match. Update it to the full message thrown by TemplatePathParser::createReference() for this input.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('compatibility module for several modules');
$this->parser->parse('Hyva_SharedCompat::some/template.phtml');
}

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:277

• The thrown error message for missing files includes follow-up guidance (the accepted formats). Since expectExceptionMessage() is an exact match, this test needs to expect the full message.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage("Template file '/nowhere/file.phtml' not found");
$this->parser->parse('/nowhere/file.phtml');
}

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:293

• expectExceptionMessage() must match the entire message; the implementation includes the owning module name in the error, so the expected message should include it too.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('not inside a view/<area>/templates directory');
$this->parser->parse($file);
}

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:306

• This test currently expects only a substring, but the implementation throws a full sentence including the file path and “view directory”. Update the expected message to match exactly.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('does not belong to a registered module or theme');
$this->parser->parse($file);
}

[Copilot]

Pull request overview

Copilot reviewed 19 out of 19 changed files in this pull request and generated 1 comment.

Suppressed comments (6)

src/Service/TemplateOverride/TemplatePathParser.php:97

• The "file not found" and "outside component" exception messages are asserted exactly in TemplatePathParserTest, but parseFilePath currently includes additional guidance text and a different wording. Aligning these messages avoids brittle test failures and keeps the CLI error output consistent with the tests.

 $absolutePath = $this->locateFile(str_replace('\\', '/', $input));
if ($absolutePath === null) {
throw new \InvalidArgumentException(
"Template file '$input' not found. Pass an existing file path or use the "
. 'Module_Name::path/to/template.phtml notation.',

src/Service/TemplateOverride/TemplatePathParser.php:292

• TemplatePathParserTest asserts the relative-segment rejection message exactly as "must not contain relative path segments", but normalizeTemplatePath currently embeds the original path in the exception string. This will cause those new tests to fail.

 if ($segment === '.' || $segment === '..') {
throw new \InvalidArgumentException("Template path '$path' must not contain relative path segments.");
}

src/Service/TemplateOverride/TemplatePathParser.php:168

• TemplatePathParserTest expects the error message "not inside a view//templates directory" exactly when a module file is outside templates, but the current exception message includes additional module context. If the tests define the public contract, simplify this message (or adjust the test).

 if (!preg_match('#^view/[a-z_]+/templates/(.+)$#', $relativePath, $matches)) {
throw new \InvalidArgumentException(sprintf(
"The file belongs to module '%s' but is not inside a view/<area>/templates directory.",
$moduleName,
));

src/Console/Command/Template/OverrideCommand.php:73

• The PR is marked as fixing #110, which asks for bin/magento mageforge:theme:copy-vendor-file /path/to/file themeName, but this change introduces mageforge:template:override with a different name and signature. Either update the issue/PR linkage or add a compatible entrypoint/alias so the requested command actually exists.

 $this
->setName($this->getCommandName('template', 'override'))
->setDescription('Copies a module template into a theme, following Magento\'s fallback logic')
->addArgument(
'template',
InputArgument::OPTIONAL,
'Template to override (Module_Name::path/to/template.phtml or a file path)',
)
->addOption('theme', 't', InputOption::VALUE_REQUIRED, 'Target theme code (format: Vendor/theme)')

docs/commands_reference.md:168

• This behavior bullet still states email templates are supported/placed under <theme>/<Module_Name>/email/, but there is no corresponding email fallback/type handling in the command/resolver. Remove this bullet or implement email template support to match it.

 rendered), but the override is placed under the **original** module's directory name,
e.g. `<theme>/Mollie_Payment/templates/...` — exactly where Magento looks for it.
- Email templates are handled with the same fallback logic and placed under
`<theme>/<Module_Name>/email/`.

docs/commands_reference.md:152

• The documentation claims email template overrides are supported (examples with .html, references to view/<area>/email, and copying to <theme>/<Module_Name>/email/), but the implementation only handles template files under view/<area>/templates via RulePool::TYPE_TEMPLATE_FILE. This will mislead users unless email support is added or the docs are corrected.

Copies a module template or email template into a theme as an override, following Magento's
view file fallback logic. The command resolves both the correct source file and the correct
target directory for you — including the tricky cases where Hyvä compatibility modules ship
the template that is actually rendered.

[Copilot]

Pull request overview

Copilot reviewed 25 out of 25 changed files in this pull request and generated 1 comment.

Suppressed comments (9)

src/Service/TemplateOverride/TemplateCopier.php:107

• The generated header is currently prefixed with "# ", which is not a safe comment syntax for the supported override targets (notably .html email templates and static assets like .less/.js). It can also render literal "#" into output. Build the header using a comment style appropriate for the file extension (e.g. PHP comment block for .phtml, HTML comment for .html, /* */ for CSS/JS/LESS).

 $commented = array_map(static fn(string $line): string => '# ' . $line, $lines);
return implode("\n", $commented) . "\n\n";

src/Console/Command/Template/OverrideCommand.php:75

• Issue #110 requests a command named "mageforge:theme:copy-vendor-file /path/to/file themeName". This PR introduces "mageforge:template:override" with a different command grouping and a required --theme option instead of a positional theme argument. If the intent is to close #110, either align the command name/signature (or add a compatible alias + positional theme support), or update the PR description/issue expectations accordingly.

 ->setName($this->getCommandName('template', 'override'))
->setDescription('Copies a module template into a theme, following Magento\'s fallback logic')
->addArgument(
'template',
InputArgument::OPTIONAL,
'Template to override (Module_Name::path/to/template.phtml or a file path)',
)
->addOption('theme', 't', InputOption::VALUE_REQUIRED, 'Target theme code (format: Vendor/theme)')
->addOption(

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:76

• These tests use expectExceptionMessage() with partial strings, but PHPUnit expects an exact match. Several of these messages will not match TemplatePathParser's actual exception messages (which include additional context), causing the tests to fail. Consider switching these assertions to expectExceptionMessageMatches() (or updating the expected strings to the full messages).

 public function testRejectsModuleNotationWithoutPath(): void
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Expected format: Module_Name::path/to/template.phtml');

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:96

• These assertions also use expectExceptionMessage() with substrings ("must not contain relative path segments"), but the parser throws a longer, fully-qualified message. Using expectExceptionMessageMatches() here avoids brittle exact-message comparisons and will keep the intent of the tests (rejecting '.'/'..' segments).

 public function testRejectsRelativePathSegments(): void
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('must not contain relative path segments');
$this->parser->parse('Magento_Catalog::../../../etc/env.phtml');
}

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:348

• This assertion expects only the prefix of the missing-file error, but TemplatePathParser includes additional guidance in the exception message. Using expectExceptionMessageMatches() (or updating the expected string to the full message) will prevent a false failure.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage("Template file '/nowhere/file.phtml' not found");

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:415

• These two tests also rely on partial exception messages via expectExceptionMessage(), which requires an exact match. TemplatePathParser prefixes both errors with additional context (module/theme name and the full file path), so these assertions will fail as written. Switching to expectExceptionMessageMatches() keeps the intent while matching the real messages.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('not inside a view/<area>/templates, view/<area>/email or view/<area>/web directory');
$this->parser->parse($file);
}
public function testRejectsFileOutsideAnyComponent(): void
{
$file = '/magento/pub/media/some-file.phtml';
$this->fileDriver->method('isFile')->willReturn(true);
$this->fileDriver->method('getRealPath')->willReturn($file);
$this->componentRegistrar->method('getPaths')->willReturn([]);
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('does not belong to a registered module or theme');

tests/Unit/Service/TemplateOverride/TemplatePathParserTest.php:160

• This assertion uses expectExceptionMessage() with a substring, but the thrown message includes additional context (module name, module list, and an example). Use expectExceptionMessageMatches() to match the relevant part without requiring an exact full string.

 $this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('compatibility module for several modules');
$this->parser->parse('Hyva_SharedCompat::some/template.phtml');

tests/Unit/Service/TemplateOverride/TemplateCopierTest.php:75

• This test currently asserts a header starting with "#", which encodes the same unsafe header format that would break .phtml/.html/static assets in real usage. After switching to extension-appropriate comment styles, make the assertion match the stable header content rather than a specific comment prefix.

 ->with(
'/theme/Magento_Catalog/templates/product/view/details.phtml',
$this->matchesRegularExpression('/# MageForge Template Override from \d{4}-\d{2}-\d{2}/'),
);

src/etc/adminhtml/system.xml:42

• The new config section references ACL resource "OpenForgeProject_MageForge::config_template_override", but src/etc/acl.xml only defines "OpenForgeProject_MageForge::config_inspector". Without adding this ACL resource, the section may be inaccessible/hidden for all roles or behave inconsistently depending on Magento's ACL evaluation.

 <resource>OpenForgeProject_MageForge::config_template_override</resource>

[Copilot]

Pull request overview

Copilot reviewed 29 out of 29 changed files in this pull request and generated no new comments.

Suppressed comments (3)

src/etc/di.xml:92

• The virtualType is declared with the same name as the underlying concrete class (name==type). This is effectively a global type-argument configuration but is harder to reason about and can be fragile in Magento DI. Prefer configuring constructor arguments via a node for the concrete class (or give the virtualType a distinct name if you intend it to be a separate variant).

 <virtualType name="OpenForgeProject\MageForge\Service\TemplateOverride\DefaultCommentStyle" type="OpenForgeProject\MageForge\Service\TemplateOverride\CommentStyle">
<arguments>
<argument name="style" xsi:type="string">none</argument>
</arguments>
</virtualType>

src/Console/Command/Template/OverrideCommand.php:141

• $targetDir comes from fallback rules and may include a trailing slash/backslash. Concatenating with '/'.$templatePath can produce double separators, which can break the strict $sourceFile === $targetFile override detection and lead to unexpected behaviour on Windows paths. Trim trailing separators before appending the template path.

 $targetFile = $targetDir . '/' . $templatePath;

src/Service/TemplateOverride/TemplateFallbackResolver.php:106

• $dir values from Magento fallback rules can include trailing path separators. Building the candidate file path via $dir . '/' . $templatePath can produce paths with double separators, which can cause false negatives in isFile() on some platforms/filesystems. Trim trailing separators before concatenation.

 $file = $dir . '/' . $templatePath;

[Copilot]

Pull request overview

Copilot reviewed 29 out of 29 changed files in this pull request and generated no new comments.

[Copilot]

Pull request overview

Copilot reviewed 29 out of 29 changed files in this pull request and generated no new comments.

Suppressed comments (3)

src/Service/TemplateOverride/TemplatePathParser.php:135

• TemplatePathParser::locateFile() treats any path not starting with “/” as relative, which mis-classifies Windows absolute paths like "C:/..." (after backslash normalisation) as relative and incorrectly prefixes the Magento root. This breaks template-path parsing on Windows for absolute file paths.

 $candidates = [$path];
if (!str_starts_with($path, '/')) {
$root = rtrim(str_replace('\\', '/', $this->directoryList->getRoot()), '/');
if ($root !== '') {
$candidates[] = $root . '/' . $path;

src/Service/TemplateOverride/TemplatePathParser.php:305

• For Module_Name::path notation, guessTypeFromPath() classifies any “.php” file as STATIC, which would route overrides into the static file fallback (and likely the theme’s web/ directory) rather than templates/. If users reference templates with a .php extension, this will resolve/target the wrong fallback type.

 return match ($extension) {
'html' => TemplateType::EMAIL,
'phtml' => TemplateType::TEMPLATE,
default => TemplateType::STATIC,
};

src/Service/TemplateOverride/TemplateCopier.php:145

• buildHeaderLines() records the physical "Source Module" when it can be resolved, but it only records the logical target module ("Override For") when the source module cannot be resolved. For non-PHP files coming from Hyvä compat modules, this loses the important “override-for” information that buildPhpDocHeaderLines() already preserves via @override-for.

 if ($actualSourceModule !== null) {
$lines[] = 'Source Module: ' . $actualSourceModule;
$version = $this->packageInfo->getVersion($actualSourceModule);
if ($version !== '') {
$lines[] = 'Source Module-Version: ' . $version;

[Copilot]

Pull request overview

Copilot reviewed 29 out of 29 changed files in this pull request and generated no new comments.

Suppressed comments (3)

tests/Unit/Service/TemplateOverride/TemplateCopierTest.php:306

• Same flakiness risk here: date('Y-m-d') is evaluated at assertion time, not fixed at execution time. Capture it once to avoid midnight-boundary failures.

 $this->assertSame(
"<?php\n"
. "/**\n"
. " * @mageforge-template-override\n"
. " * @date " . date('Y-m-d') . "\n"
. " * @source vendor/module/view/frontend/templates/widget.phtml\n"
. " * @module Vendor_Module\n"

tests/Unit/Service/TemplateOverride/TemplateCopierTest.php:266

• This assertion also calls date('Y-m-d') inline, which can introduce intermittent failures across midnight. Prefer capturing the date once into a variable and reusing it in the expected string.

 $this->assertSame(
"<?php\n"
. "/**\n"
. " * @mageforge-template-override\n"
. " * @date " . date('Y-m-d') . "\n"
. " * @source vendor/module/view/frontend/templates/widget.phtml\n"
. " * @module Vendor_Module\n"

tests/Unit/Service/TemplateOverride/TemplateCopierTest.php:233

• This assertion embeds date('Y-m-d') directly in the expected string, which can make the test flaky if the date changes between the code under test and the assertion (e.g. running across midnight). Capture the date once and reuse it in both places.

This issue also appears in the following locations of the same file:

• line 260
• line 300

 $this->assertSame(
"<?php\n"
. "/**\n"
. " * @mageforge-template-override\n"
. " * @date " . date('Y-m-d') . "\n"
. " * @source vendor/module/view/frontend/templates/widget.phtml\n"

[Copilot]

Pull request overview

Copilot reviewed 29 out of 29 changed files in this pull request and generated no new comments.

Suppressed comments (3)

src/Service/TemplateOverride/TemplatePathParser.php:305

• guessTypeFromPath() treats any non-.html/.phtml module-notation reference as STATIC. That means layout XML references like "Vendor_Module::default.xml" will be resolved using the static-file fallback rule instead of the layout fallback rule, producing the wrong source/target paths.

 return match ($extension) {
'html' => TemplateType::EMAIL,
'phtml' => TemplateType::TEMPLATE,
default => TemplateType::STATIC,
};

src/Service/TemplateOverride/CommentStyle.php:107

• wrapPhpBlock() appends "\n\n" after the closing "?>". When prepending a header to a .phtml file that starts with HTML (no opening PHP tag), those newlines become literal output at the start of the rendered template, potentially changing the page/email output (or breaking files where leading whitespace matters).

 return "<?php\n/**\n" . $this->formatPhpDocLines($lines) . "\n */\n?>\n\n";

docs/commands_reference.md:154

• The command documentation lists module file-path inputs as only supporting view/<area>/templates, view/<area>/email, and view/<area>/web, but the implementation also supports view/<area>/layout and copies layout XML into <theme>/<Module_Name>/layout. The docs should mention layout overrides to match actual behaviour.

 File paths may point into a module's `view/<area>/templates`, `view/<area>/email` or
`view/<area>/web` directory, a Hyvä compat module, or another theme's override directory.
Email templates (`.html`) and static view files (CSS, LESS, JS, images, fonts, ...) are
detected automatically and copied to `<theme>/<Module_Name>/email/` or
`<theme>/<Module_Name>/web/` respectively.

[Copilot]

Pull request overview

Copilot reviewed 29 out of 29 changed files in this pull request and generated no new comments.

Suppressed comments (3)

src/Service/TemplateOverride/TemplateCopier.php:87

• Same as above: this docblock adds a fully-qualified @throws annotation. To keep docblocks consistent and avoid FQNs, remove the @throws line here as well (or standardise on imported short names throughout).

 * @throws \Magento\Framework\Exception\FileSystemException

src/Service/TemplateOverride/TemplateCopier.php:46

• The docblock uses a fully-qualified exception name ("\Magento\Framework\Exception\FileSystemException"). Elsewhere in this codebase docblocks avoid FQNs/throws annotations, so this is inconsistent and makes the docs noisier than needed. Consider dropping the @throws line here (and rely on the method signature/actual exceptions) or switch to an imported short name consistently across the new TemplateOverride classes.

This issue also appears on line 87 of the same file.

 * @throws \Magento\Framework\Exception\FileSystemException

src/Service/TemplateOverride/TemplatePathParser.php:45

• This docblock adds an explicit @throws with a fully-qualified exception name ("\InvalidArgumentException"). The rest of the codebase generally avoids FQNs/throws annotations in docblocks, so this is inconsistent. Consider removing the @throws line here (and, if desired, across the rest of this new class for consistency).

 * @throws \InvalidArgumentException

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Pull request overview

Copilot reviewed 29 out of 29 changed files in this pull request and generated no new comments.

Suppressed comments (3)

src/Service/TemplateOverride/TemplatePathParser.php:305

• Module-notation references to layout XML (e.g. Vendor_Module::default.xml) are currently classified as STATIC by extension, so layout overrides cannot be resolved correctly unless the user provides a filesystem path. Since TemplateType::LAYOUT is supported elsewhere (view//layout parsing + fallback resolver), include xml here as well.

 return match ($extension) {
'html' => TemplateType::EMAIL,
'phtml' => TemplateType::TEMPLATE,
default => TemplateType::STATIC,
};

src/Service/TemplateOverride/TemplateFallbackResolver.php:123

• Layout fallback handling only includes the immediate parent theme via getParentTheme(), but Magento themes can inherit through multiple levels. For layout XML overrides, this can produce an incomplete fallback chain and resolve/copy from the wrong source when a grandparent theme provides the file.

 if ($parentTheme instanceof ThemeInterface) {
$parentThemePath = $this->componentRegistrar->getPath(
ComponentRegistrar::THEME,
$parentTheme->getFullPath(),
);

src/Service/TemplateOverride/TemplateCopier.php:143

• For non-PHP targets (HTML/CSS/JS/etc), the header omits the logical override target when the physical source module differs (e.g. Hyvä compat module sources). PHP/PHTML headers include @override-for in that case, so metadata is inconsistent and loses the 'override target' information for non-PHP files.

 if ($actualSourceModule !== null) {
$lines[] = 'Source Module: ' . $actualSourceModule;
$version = $this->packageInfo->getVersion($actualSourceModule);
if ($version !== '') {
$lines[] = 'Source Module-Version: ' . $version;