<?php
declare(strict_types=1);
namespace Butschster\ContextGenerator\Source\GitDiff\Fetcher\Source;
use Butschster\ContextGenerator\Application\Logger\LoggerPrefix;
/**
* Git source for specific files at a commit
*/
#[LoggerPrefix(prefix: 'git.file_at_commit')]
final readonly class FileAtCommitGitSource extends AbstractGitSource
{
public function supports(string $commitReference): bool
{
// Support format: commit -- path
return \str_contains($commitReference, ' -- ');
}
public function getChangedFiles(string $repository, string $commitReference): array
{
[$commit, $path] = \explode(' -- ', $commitReference, 2);
$output = $this->executeGitCommand(
repository: $repository,
command: \sprintf('show --name-only %s -- %s', $commit, $path),
);
// The first line is the commit hash, so skip it
if (!empty($output) && \preg_match('/^[0-9a-f]{40}$/', $output[0])) {
\array_shift($output);
}
return \array_filter($output);
}
public function getFileDiff(string $repository, string $commitReference, string $file): string
{
[$commit, $path] = \explode(' -- ', $commitReference, 2);
// Only process the file if it matches the path filter
if ($path !== $file && !\str_starts_with($file, $path)) {
return '';
}
return $this->executeGitCommandString(
repository: $repository,
command: \sprintf('show %s:%s', $commit, $file),
);
}
public function formatReferenceForDisplay(string $commitReference): string
{
[$commit, $path] = \explode(' -- ', $commitReference, 2);
return "Files at commit {$commit} with path: {$path}";
}
}
