mirror of
https://we.phorge.it/source/phorge.git
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0aa913805d
Summary: Ref T4045. Ref T5179. Hunk storage has two major issues: - It's utf8, but actual diffs are binary. - It's huge and can't be compressed or archived. This introduces a second datastore which solves these problems: by recording hunk encoding, supporting compression, and supporting alternate storage. There's no actual compression or storage support yet, but there's space in the table for them. Since nothing actually uses hunk IDs, it's fine to have these tables exist at the same time and use the same IDs. We can migrate data between the tables gradually without requiring downtime or disrupting installs. Test Plan: - There are no writes to the new table yet. - The only effect this has is making us issue one extra query when looking for hunks. - Observed the query issue, but everything else continue working fine. - Created a new diff. - Ran unit tests. Reviewers: btrahan Reviewed By: btrahan Subscribers: epriestley Maniphest Tasks: T4045, T5179 Differential Revision: https://secure.phabricator.com/D9290
204 lines
5.2 KiB
PHP
204 lines
5.2 KiB
PHP
<?php
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final class DifferentialChangeset extends DifferentialDAO
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implements PhabricatorPolicyInterface {
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protected $diffID;
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protected $oldFile;
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protected $filename;
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protected $awayPaths;
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protected $changeType;
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protected $fileType;
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protected $metadata;
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protected $oldProperties;
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protected $newProperties;
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protected $addLines;
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protected $delLines;
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private $unsavedHunks = array();
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private $hunks = self::ATTACHABLE;
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private $diff = self::ATTACHABLE;
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const TABLE_CACHE = 'differential_changeset_parse_cache';
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protected function getConfiguration() {
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return array(
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self::CONFIG_SERIALIZATION => array(
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'metadata' => self::SERIALIZATION_JSON,
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'oldProperties' => self::SERIALIZATION_JSON,
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'newProperties' => self::SERIALIZATION_JSON,
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'awayPaths' => self::SERIALIZATION_JSON,
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)) + parent::getConfiguration();
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}
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public function getAffectedLineCount() {
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return $this->getAddLines() + $this->getDelLines();
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}
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public function attachHunks(array $hunks) {
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assert_instances_of($hunks, 'DifferentialHunk');
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$this->hunks = $hunks;
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return $this;
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}
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public function getHunks() {
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return $this->assertAttached($this->hunks);
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}
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public function getDisplayFilename() {
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$name = $this->getFilename();
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if ($this->getFileType() == DifferentialChangeType::FILE_DIRECTORY) {
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$name .= '/';
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}
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return $name;
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}
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public function addUnsavedHunk(DifferentialHunk $hunk) {
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if ($this->hunks === self::ATTACHABLE) {
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$this->hunks = array();
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}
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$this->hunks[] = $hunk;
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$this->unsavedHunks[] = $hunk;
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return $this;
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}
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public function save() {
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$this->openTransaction();
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$ret = parent::save();
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foreach ($this->unsavedHunks as $hunk) {
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$hunk->setChangesetID($this->getID());
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$hunk->save();
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}
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$this->saveTransaction();
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return $ret;
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}
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public function delete() {
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$this->openTransaction();
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$hunks = id(new DifferentialHunkLegacy())->loadAllWhere(
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'changesetID = %d',
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$this->getID());
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foreach ($hunks as $hunk) {
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$hunk->delete();
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}
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$this->unsavedHunks = array();
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queryfx(
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$this->establishConnection('w'),
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'DELETE FROM %T WHERE id = %d',
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self::TABLE_CACHE,
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$this->getID());
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$ret = parent::delete();
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$this->saveTransaction();
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return $ret;
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}
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public function getSortKey() {
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$sort_key = $this->getFilename();
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// Sort files with ".h" in them first, so headers (.h, .hpp) come before
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// implementations (.c, .cpp, .cs).
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$sort_key = str_replace('.h', '.!h', $sort_key);
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return $sort_key;
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}
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public function makeNewFile() {
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$file = mpull($this->getHunks(), 'makeNewFile');
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return implode('', $file);
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}
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public function makeOldFile() {
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$file = mpull($this->getHunks(), 'makeOldFile');
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return implode('', $file);
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}
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public function makeChangesWithContext($num_lines = 3) {
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$with_context = array();
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foreach ($this->getHunks() as $hunk) {
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$context = array();
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$changes = explode("\n", $hunk->getChanges());
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foreach ($changes as $l => $line) {
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$type = substr($line, 0, 1);
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if ($type == '+' || $type == '-') {
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$context += array_fill($l - $num_lines, 2 * $num_lines + 1, true);
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}
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}
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$with_context[] = array_intersect_key($changes, $context);
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}
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return array_mergev($with_context);
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}
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public function getAnchorName() {
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return substr(md5($this->getFilename()), 0, 8);
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}
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public function getAbsoluteRepositoryPath(
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PhabricatorRepository $repository = null,
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DifferentialDiff $diff = null) {
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$base = '/';
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if ($diff && $diff->getSourceControlPath()) {
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$base = id(new PhutilURI($diff->getSourceControlPath()))->getPath();
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}
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$path = $this->getFilename();
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$path = rtrim($base, '/').'/'.ltrim($path, '/');
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$svn = PhabricatorRepositoryType::REPOSITORY_TYPE_SVN;
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if ($repository && $repository->getVersionControlSystem() == $svn) {
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$prefix = $repository->getDetail('remote-uri');
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$prefix = id(new PhutilURI($prefix))->getPath();
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if (!strncmp($path, $prefix, strlen($prefix))) {
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$path = substr($path, strlen($prefix));
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}
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$path = '/'.ltrim($path, '/');
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}
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return $path;
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}
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public function getWhitespaceMatters() {
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$config = PhabricatorEnv::getEnvConfig('differential.whitespace-matters');
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foreach ($config as $regexp) {
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if (preg_match($regexp, $this->getFilename())) {
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return true;
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}
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}
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return false;
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}
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public function attachDiff(DifferentialDiff $diff) {
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$this->diff = $diff;
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return $this;
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}
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public function getDiff() {
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return $this->assertAttached($this->diff);
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}
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/* -( PhabricatorPolicyInterface )----------------------------------------- */
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public function getCapabilities() {
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return array(
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PhabricatorPolicyCapability::CAN_VIEW,
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);
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}
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public function getPolicy($capability) {
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return $this->getDiff()->getPolicy($capability);
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}
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public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
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return $this->getDiff()->hasAutomaticCapability($capability, $viewer);
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}
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public function describeAutomaticCapability($capability) {
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return null;
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}
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}
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