Differential D21324 Diff 50787 src/repository/raw/ArcanistGitRawCommit.php

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src/repository/raw/ArcanistGitRawCommit.php

This file was added.

				<?php

				final class ArcanistGitRawCommit
				extends Phobject {

				private $treeHash;
				private $parents = array();
				private $rawAuthor;
				private $rawCommitter;
				private $message;

				const GIT_EMPTY_TREE_HASH = '4b825dc642cb6eb9a060e54bf8d69288fbee4904';

				public static function newEmptyCommit() {
				$raw = new self();
				$raw->setTreeHash(self::GIT_EMPTY_TREE_HASH);
				return $raw;
				}

				public static function newFromRawBlob($blob) {
				$lines = phutil_split_lines($blob);

				$seen = array();
				$raw = new self();

				$pattern = '(^(\w+) ([^\n]+)\n?\z)';
				foreach ($lines as $key => $line) {
				unset($lines[$key]);

				$is_divider = ($line === "\n");
				if ($is_divider) {
				break;
				}

				$matches = null;
				$ok = preg_match($pattern, $line, $matches);
				if (!$ok) {
				throw new Exception(
				pht(
				'Expected to match pattern "%s" against line "%s" in raw commit '.
				'blob: %s',
				$pattern,
				$line,
				$blob));
				}

				$label = $matches[1];
				$value = $matches[2];

				// Detect unexpected repeated lines.

				if (isset($seen[$label])) {
				switch ($label) {
				case 'parent':
				break;
				default:
				throw new Exception(
				pht(
				'Encountered two "%s" lines ("%s", "%s") while parsing raw '.
				'commit blob, expected at most one: %s',
				$label,
				$seen[$label],
				$line,
				$blob));
				}
				} else {
				$seen[$label] = $line;
				}

				switch ($label) {
				case 'tree':
				$raw->setTreeHash($value);
				break;
				case 'parent':
				$raw->addParent($value);
				break;
				case 'author':
				$raw->setRawAuthor($value);
				break;
				case 'committer':
				$raw->setRawCommitter($value);
				break;
				default:
				throw new Exception(
				pht(
				'Unknown attribute label "%s" in line "%s" while parsing raw '.
				'commit blob: %s',
				$label,
				$line,
				$blob));
				}
				}

				$message = implode('', $lines);
				$raw->setMessage($message);

				return $raw;
				}

				public function getRawBlob() {
				$out = array();

				$tree = $this->getTreeHash();
				if ($tree !== null) {
				$out[] = sprintf("tree %s\n", $tree);
				}

				$parents = $this->getParents();
				foreach ($parents as $parent) {
				$out[] = sprintf("parent %s\n", $parent);
				}

				$raw_author = $this->getRawAuthor();
				if ($raw_author !== null) {
				$out[] = sprintf("author %s\n", $raw_author);
				}

				$raw_committer = $this->getRawCommitter();
				if ($raw_committer !== null) {
				$out[] = sprintf("committer %s\n", $raw_committer);
				}

				$out[] = "\n";

				$message = $this->getMessage();
				if ($message !== null) {
				$out[] = $message;
				}

				return implode('', $out);
				}

				public function setTreeHash($tree_hash) {
				$this->treeHash = $tree_hash;
				return $this;
				}

				public function getTreeHash() {
				return $this->treeHash;
				}

				public function setRawAuthor($raw_author) {
				$this->rawAuthor = $raw_author;
				return $this;
				}

				public function getRawAuthor() {
				return $this->rawAuthor;
				}

				public function setRawCommitter($raw_committer) {
				$this->rawCommitter = $raw_committer;
				return $this;
				}

				public function getRawCommitter() {
				return $this->rawCommitter;
				}

				public function setParents(array $parents) {
				$this->parents = $parents;
				return $this;
				}

				public function getParents() {
				return $this->parents;
				}

				public function addParent($hash) {
				$this->parents[] = $hash;
				return $this;
				}

				public function setMessage($message) {
				$this->message = $message;
				return $this;
				}

				public function getMessage() {
				return $this->message;
				}

				}