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<?php |
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/** |
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* This file is part of CaptainHook. |
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* |
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* (c) Sebastian Feldmann <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace CaptainHook\App\Git\ChangedFiles\Detector; |
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use CaptainHook\App\Git\ChangedFiles\Detector; |
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use CaptainHook\App\Git\Range\Detector\PrePush as RangeDetector; |
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use CaptainHook\App\Git\Range\PrePush as Range; |
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/** |
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* Class PrePush |
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* |
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* @package CaptainHook |
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* @author Sebastian Feldmann <[email protected]> |
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* @link https://github.com/captainhook-git/captainhook |
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* @since Class available since Release 5.20.0 |
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*/ |
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class PrePush extends Detector |
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{ |
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/** |
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* Reflog fallback switch |
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* |
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* @var bool |
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*/ |
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private bool $reflogFallback = false; |
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/** |
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* Activate the reflog fallback file detection |
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* |
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* @param bool $bool |
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* @return void |
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*/ |
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public function useReflogFallback(bool $bool): void |
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{ |
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$this->reflogFallback = $bool; |
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} |
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/** |
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* Returns a list of changed files |
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* |
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* @param array<string> $filter |
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* @return array<string> |
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* @throws \Exception |
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*/ |
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public function getChangedFiles(array $filter = []): array |
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{ |
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$ranges = $this->getRanges(); |
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if (empty($ranges)) { |
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return []; |
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} |
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$files = $this->collectChangedFiles($ranges, $filter); |
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if (count($files) > 0 || !$this->reflogFallback) { |
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return $files; |
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} |
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// by now we should have found something, but if the "branch: created" entry is gone from the reflog, |
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// try to find as many commits belonging to this branch as possible |
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$branch = $ranges[0]->to()->branch(); |
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$revisions = $this->repository->getLogOperator()->getBranchRevsFromRefLog($branch); |
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return $this->repository->getLogOperator()->getChangedFilesInRevisions($revisions); |
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} |
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/** |
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* Create ranges from stdIn |
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* |
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* @return array<\CaptainHook\App\Git\Range\PrePush> |
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*/ |
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private function getRanges(): array |
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{ |
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$detector = new RangeDetector(); |
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return $detector->getRanges($this->io); |
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} |
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/** |
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* Collect all changed files from all ranges |
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* |
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* @param array<\CaptainHook\App\Git\Range\PrePush> $ranges |
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* @param array<string> $filter |
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* @return array<string> |
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* @throws \Exception |
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*/ |
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private function collectChangedFiles(array $ranges, array $filter): array |
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{ |
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$files = []; |
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foreach ($ranges as $range) { |
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if ($this->isKnownBranch($range)) { |
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$oldHash = $range->from()->id(); |
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$newHash = $range->to()->id(); |
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} else { |
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if (!$this->reflogFallback) { |
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continue; |
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} |
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// the remote branch does not exist |
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// try to find the branch starting point with the reflog |
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$oldHash = $this->repository->getLogOperator()->getBranchRevFromRefLog($range->to()->branch()); |
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$newHash = 'HEAD'; |
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} |
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if (!empty($oldHash)) { |
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$files[] = $this->repository->getDiffOperator()->getChangedFiles($oldHash, $newHash, $filter); |
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} |
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} |
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return array_unique(array_merge(...$files)); |
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} |
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/** |
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* If the remote branch is known, the diff can be easily determined |
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* |
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* @param \CaptainHook\App\Git\Range\PrePush $range |
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* @return bool |
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*/ |
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private function isKnownBranch(Range $range): bool |
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{ |
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return !$range->from()->isZeroRev(); |
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} |
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} |
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captainhook-git /
captainhook
