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diff --git a/src/repository/api/ArcanistMercurialAPI.php b/src/repository/api/ArcanistMercurialAPI.php
index 359d61b2..78f1cf5a 100644
--- a/src/repository/api/ArcanistMercurialAPI.php
+++ b/src/repository/api/ArcanistMercurialAPI.php
@@ -1,951 +1,951 @@
<?php
/**
* Interfaces with the Mercurial working copies.
*
* @group workingcopy
*/
final class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
private $branch;
private $localCommitInfo;
private $rawDiffCache = array();
private $supportsRebase;
private $supportsPhases;
protected function buildLocalFuture(array $argv) {
// Mercurial has a "defaults" feature which basically breaks automation by
// allowing the user to add random flags to any command. This feature is
// "deprecated" and "a bad idea" that you should "forget ... existed"
// according to project lead Matt Mackall:
//
// http://markmail.org/message/hl3d6eprubmkkqh5
//
// There is an HGPLAIN environmental variable which enables "plain mode"
// and hopefully disables this stuff.
if (phutil_is_windows()) {
$argv[0] = 'set HGPLAIN=1 & hg '.$argv[0];
} else {
$argv[0] = 'HGPLAIN=1 hg '.$argv[0];
}
$future = newv('ExecFuture', $argv);
$future->setCWD($this->getPath());
return $future;
}
public function execPassthru($pattern /* , ... */) {
$args = func_get_args();
if (phutil_is_windows()) {
$args[0] = 'set HGPLAIN=1 & hg '.$args[0];
} else {
$args[0] = 'HGPLAIN=1 hg '.$args[0];
}
return call_user_func_array("phutil_passthru", $args);
}
public function getSourceControlSystemName() {
return 'hg';
}
public function getMetadataPath() {
return $this->getPath('.hg');
}
public function getSourceControlBaseRevision() {
return $this->getCanonicalRevisionName($this->getBaseCommit());
}
public function getCanonicalRevisionName($string) {
list($stdout) = $this->execxLocal(
'log -l 1 --template %s -r %s --',
'{node}',
$string);
return $stdout;
}
public function getSourceControlPath() {
return '/';
}
public function getBranchName() {
if (!$this->branch) {
list($stdout) = $this->execxLocal('branch');
$this->branch = trim($stdout);
}
return $this->branch;
}
public function didReloadCommitRange() {
$this->localCommitInfo = null;
}
protected function buildBaseCommit($symbolic_commit) {
if ($symbolic_commit !== null) {
try {
$commit = $this->getCanonicalRevisionName(
hgsprintf('ancestor(%s,.)', $symbolic_commit));
} catch (Exception $ex) {
throw new ArcanistUsageException(
"Commit '{$symbolic_commit}' is not a valid Mercurial commit ".
"identifier.");
}
$this->setBaseCommitExplanation("it is the greatest common ancestor of ".
"the working directory and the commit you specified explicitly.");
return $commit;
}
if ($this->getBaseCommitArgumentRules() ||
$this->getWorkingCopyIdentity()->getConfigFromAnySource('base')) {
$base = $this->resolveBaseCommit();
if (!$base) {
throw new ArcanistUsageException(
"None of the rules in your 'base' configuration matched a valid ".
"commit. Adjust rules or specify which commit you want to use ".
"explicitly.");
}
return $base;
}
// Mercurial 2.1 and up have phases which indicate if something is
// published or not. To find which revs are outgoing, it's much
// faster to check the phase instead of actually checking the server.
- if (!$this->supportsPhases()) {
+ if ($this->supportsPhases()) {
list($err, $stdout) = $this->execManualLocal(
'log --branch %s -r %s --style default',
$this->getBranchName(),
'draft()');
} else {
list($err, $stdout) = $this->execManualLocal(
'outgoing --branch %s --style default',
$this->getBranchName());
}
if (!$err) {
$logs = ArcanistMercurialParser::parseMercurialLog($stdout);
} else {
// Mercurial (in some versions?) raises an error when there's nothing
// outgoing.
$logs = array();
}
if (!$logs) {
$this->setBaseCommitExplanation(
"you have no outgoing commits, so arc assumes you intend to submit ".
"uncommitted changes in the working copy.");
return $this->getWorkingCopyRevision();
}
$outgoing_revs = ipull($logs, 'rev');
// This is essentially an implementation of a theoretical `hg merge-base`
// command.
$against = $this->getWorkingCopyRevision();
while (true) {
// NOTE: The "^" and "~" syntaxes were only added in hg 1.9, which is
// new as of July 2011, so do this in a compatible way. Also, "hg log"
// and "hg outgoing" don't necessarily show parents (even if given an
// explicit template consisting of just the parents token) so we need
// to separately execute "hg parents".
list($stdout) = $this->execxLocal(
'parents --style default --rev %s',
$against);
$parents_logs = ArcanistMercurialParser::parseMercurialLog($stdout);
list($p1, $p2) = array_merge($parents_logs, array(null, null));
if ($p1 && !in_array($p1['rev'], $outgoing_revs)) {
$against = $p1['rev'];
break;
} else if ($p2 && !in_array($p2['rev'], $outgoing_revs)) {
$against = $p2['rev'];
break;
} else if ($p1) {
$against = $p1['rev'];
} else {
// This is the case where you have a new repository and the entire
// thing is outgoing; Mercurial literally accepts "--rev null" as
// meaning "diff against the empty state".
$against = 'null';
break;
}
}
if ($against == 'null') {
$this->setBaseCommitExplanation(
"this is a new repository (all changes are outgoing).");
} else {
$this->setBaseCommitExplanation(
"it is the first commit reachable from the working copy state ".
"which is not outgoing.");
}
return $against;
}
public function getLocalCommitInformation() {
if ($this->localCommitInfo === null) {
$base_commit = $this->getBaseCommit();
list($info) = $this->execxLocal(
"log --template '%C' --rev %s --branch %s --",
"{node}\1{rev}\1{author|emailuser}\1{author|email}\1".
"{date|rfc822date}\1{branch}\1{tag}\1{parents}\1{desc}\2",
hgsprintf('(%s::. - %s)', $base_commit, $base_commit),
$this->getBranchName());
$logs = array_filter(explode("\2", $info));
$last_node = null;
$futures = array();
$commits = array();
foreach ($logs as $log) {
list($node, $rev, $author, $author_email, $date, $branch, $tag,
$parents, $desc) = explode("\1", $log, 9);
// NOTE: If a commit has only one parent, {parents} returns empty.
// If it has two parents, {parents} returns revs and short hashes, not
// full hashes. Try to avoid making calls to "hg parents" because it's
// relatively expensive.
$commit_parents = null;
if (!$parents) {
if ($last_node) {
$commit_parents = array($last_node);
}
}
if (!$commit_parents) {
// We didn't get a cheap hit on previous commit, so do the full-cost
// "hg parents" call. We can run these in parallel, at least.
$futures[$node] = $this->execFutureLocal(
"parents --template='{node}\\n' --rev %s",
$node);
}
$commits[$node] = array(
'author' => $author,
'time' => strtotime($date),
'branch' => $branch,
'tag' => $tag,
'commit' => $node,
'rev' => $node, // TODO: Remove eventually.
'local' => $rev,
'parents' => $commit_parents,
'summary' => head(explode("\n", $desc)),
'message' => $desc,
'authorEmail' => $author_email,
);
$last_node = $node;
}
foreach (Futures($futures)->limit(4) as $node => $future) {
list($parents) = $future->resolvex();
$parents = array_filter(explode("\n", $parents));
$commits[$node]['parents'] = $parents;
}
// Put commits in newest-first order, to be consistent with Git and the
// expected order of "hg log" and "git log" under normal circumstances.
// The order of ancestors() is oldest-first.
$commits = array_reverse($commits);
$this->localCommitInfo = $commits;
}
return $this->localCommitInfo;
}
public function getAllFiles() {
// TODO: Handle paths with newlines.
$future = $this->buildLocalFuture(array('manifest'));
return new LinesOfALargeExecFuture($future);
}
public function getChangedFiles($since_commit) {
list($stdout) = $this->execxLocal(
'status --rev %s',
$since_commit);
return ArcanistMercurialParser::parseMercurialStatus($stdout);
}
public function getBlame($path) {
list($stdout) = $this->execxLocal(
'annotate -u -v -c --rev %s -- %s',
$this->getBaseCommit(),
$path);
$blame = array();
foreach (explode("\n", trim($stdout)) as $line) {
if (!strlen($line)) {
continue;
}
$matches = null;
$ok = preg_match('/^\s*([^:]+?) [a-f0-9]{12}: (.*)$/', $line, $matches);
if (!$ok) {
throw new Exception("Unable to parse Mercurial blame line: {$line}");
}
$revision = $matches[2];
$author = trim($matches[1]);
$blame[] = array($author, $revision);
}
return $blame;
}
protected function buildUncommittedStatus() {
list($stdout) = $this->execxLocal('status');
$results = new PhutilArrayWithDefaultValue();
$working_status = ArcanistMercurialParser::parseMercurialStatus($stdout);
foreach ($working_status as $path => $mask) {
if (!($mask & ArcanistRepositoryAPI::FLAG_UNTRACKED)) {
// Mark tracked files as uncommitted.
$mask |= self::FLAG_UNCOMMITTED;
}
$results[$path] |= $mask;
}
return $results->toArray();
}
protected function buildCommitRangeStatus() {
// TODO: Possibly we should use "hg status --rev X --rev ." for this
// instead, but we must run "hg diff" later anyway in most cases, so
// building and caching it shouldn't hurt us.
$diff = $this->getFullMercurialDiff();
if (!$diff) {
return array();
}
$parser = new ArcanistDiffParser();
$changes = $parser->parseDiff($diff);
$status_map = array();
foreach ($changes as $change) {
$flags = 0;
switch ($change->getType()) {
case ArcanistDiffChangeType::TYPE_ADD:
case ArcanistDiffChangeType::TYPE_MOVE_HERE:
case ArcanistDiffChangeType::TYPE_COPY_HERE:
$flags |= self::FLAG_ADDED;
break;
case ArcanistDiffChangeType::TYPE_CHANGE:
case ArcanistDiffChangeType::TYPE_COPY_AWAY: // Check for changes?
$flags |= self::FLAG_MODIFIED;
break;
case ArcanistDiffChangeType::TYPE_DELETE:
case ArcanistDiffChangeType::TYPE_MOVE_AWAY:
case ArcanistDiffChangeType::TYPE_MULTICOPY:
$flags |= self::FLAG_DELETED;
break;
}
$status_map[$change->getCurrentPath()] = $flags;
}
return $status_map;
}
protected function didReloadWorkingCopy() {
// Diffs are against ".", so we need to drop the cache if we change the
// working copy.
$this->rawDiffCache = array();
$this->branch = null;
}
private function getDiffOptions() {
$options = array(
'--git',
'-U'.$this->getDiffLinesOfContext(),
);
return implode(' ', $options);
}
public function getRawDiffText($path) {
$options = $this->getDiffOptions();
$range = $this->getBaseCommit();
$raw_diff_cache_key = $options.' '.$range.' '.$path;
if (idx($this->rawDiffCache, $raw_diff_cache_key)) {
return idx($this->rawDiffCache, $raw_diff_cache_key);
}
list($stdout) = $this->execxLocal(
'diff %C --rev %s -- %s',
$options,
$range,
$path);
$this->rawDiffCache[$raw_diff_cache_key] = $stdout;
return $stdout;
}
public function getFullMercurialDiff() {
return $this->getRawDiffText('');
}
public function getOriginalFileData($path) {
return $this->getFileDataAtRevision($path, $this->getBaseCommit());
}
public function getCurrentFileData($path) {
return $this->getFileDataAtRevision(
$path,
$this->getWorkingCopyRevision());
}
public function getBulkOriginalFileData($paths) {
return $this->getBulkFileDataAtRevision($paths, $this->getBaseCommit());
}
public function getBulkCurrentFileData($paths) {
return $this->getBulkFileDataAtRevision(
$paths,
$this->getWorkingCopyRevision());
}
private function getBulkFileDataAtRevision($paths, $revision) {
// Calling 'hg cat' on each file individually is slow (1 second per file
// on a large repo) because mercurial has to decompress and parse the
// entire manifest every time. Do it in one large batch instead.
// hg cat will write the file data to files in a temp directory
$tmpdir = Filesystem::createTemporaryDirectory();
// Mercurial doesn't create the directories for us :(
foreach ($paths as $path) {
$tmppath = $tmpdir.'/'.$path;
Filesystem::createDirectory(dirname($tmppath), 0755, true);
}
list($err, $stdout) = $this->execManualLocal(
'cat --rev %s --output %s -- %C',
$revision,
// %p is the formatter for the repo-relative filepath
$tmpdir.'/%p',
implode(' ', $paths));
$filedata = array();
foreach ($paths as $path) {
$tmppath = $tmpdir.'/'.$path;
if (Filesystem::pathExists($tmppath)) {
$filedata[$path] = Filesystem::readFile($tmppath);
}
}
Filesystem::remove($tmpdir);
return $filedata;
}
private function getFileDataAtRevision($path, $revision) {
list($err, $stdout) = $this->execManualLocal(
'cat --rev %s -- %s',
$revision,
$path);
if ($err) {
// Assume this is "no file at revision", i.e. a deleted or added file.
return null;
} else {
return $stdout;
}
}
public function getWorkingCopyRevision() {
return '.';
}
public function isHistoryDefaultImmutable() {
return true;
}
public function supportsAmend() {
list($err, $stdout) = $this->execManualLocal('help commit');
if ($err) {
return false;
} else {
return (strpos($stdout, "amend") !== false);
}
}
public function supportsRebase() {
if ($this->supportsRebase === null) {
list ($err) = $this->execManualLocal("help rebase");
$this->supportsRebase = $err === 0;
}
return $this->supportsRebase;
}
public function supportsPhases() {
if ($this->supportsPhases === null) {
list ($err) = $this->execManualLocal("help phase");
$this->supportsPhases = $err === 0;
}
return $this->supportsPhases;
}
public function supportsCommitRanges() {
return true;
}
public function supportsLocalCommits() {
return true;
}
public function getAllBranches() {
list($branch_info) = $this->execxLocal('bookmarks');
$matches = null;
preg_match_all(
'/^\s*(\*?)\s*(.+)\s(\S+)$/m',
$branch_info,
$matches,
PREG_SET_ORDER);
$return = array();
foreach ($matches as $match) {
list(, $current, $name) = $match;
$return[] = array(
'current' => (bool)$current,
'name' => rtrim($name),
);
}
return $return;
}
public function hasLocalCommit($commit) {
try {
$this->getCanonicalRevisionName($commit);
return true;
} catch (Exception $ex) {
return false;
}
}
public function getCommitMessage($commit) {
list($message) = $this->execxLocal(
'log --template={desc} --rev %s',
$commit);
return $message;
}
public function getAllLocalChanges() {
$diff = $this->getFullMercurialDiff();
if (!strlen(trim($diff))) {
return array();
}
$parser = new ArcanistDiffParser();
return $parser->parseDiff($diff);
}
public function supportsLocalBranchMerge() {
return true;
}
public function performLocalBranchMerge($branch, $message) {
if ($branch) {
$err = phutil_passthru(
'(cd %s && HGPLAIN=1 hg merge --rev %s && hg commit -m %s)',
$this->getPath(),
$branch,
$message);
} else {
$err = phutil_passthru(
'(cd %s && HGPLAIN=1 hg merge && hg commit -m %s)',
$this->getPath(),
$message);
}
if ($err) {
throw new ArcanistUsageException("Merge failed!");
}
}
public function getFinalizedRevisionMessage() {
return "You may now push this commit upstream, as appropriate (e.g. with ".
"'hg push' or by printing and faxing it).";
}
public function getCommitMessageLog() {
$base_commit = $this->getBaseCommit();
list($stdout) = $this->execxLocal(
"log --template '{node}\\2{desc}\\1' --rev %s --branch %s --",
hgsprintf('(%s::. - %s)', $base_commit, $base_commit),
$this->getBranchName());
$map = array();
$logs = explode("\1", trim($stdout));
foreach (array_filter($logs) as $log) {
list($node, $desc) = explode("\2", $log);
$map[$node] = $desc;
}
return array_reverse($map);
}
public function loadWorkingCopyDifferentialRevisions(
ConduitClient $conduit,
array $query) {
$messages = $this->getCommitMessageLog();
$parser = new ArcanistDiffParser();
// First, try to find revisions by explicit revision IDs in commit messages.
$reason_map = array();
$revision_ids = array();
foreach ($messages as $node_id => $message) {
$object = ArcanistDifferentialCommitMessage::newFromRawCorpus($message);
if ($object->getRevisionID()) {
$revision_ids[] = $object->getRevisionID();
$reason_map[$object->getRevisionID()] = $node_id;
}
}
if ($revision_ids) {
$results = $conduit->callMethodSynchronous(
'differential.query',
$query + array(
'ids' => $revision_ids,
));
foreach ($results as $key => $result) {
$hash = substr($reason_map[$result['id']], 0, 16);
$results[$key]['why'] =
"Commit message for '{$hash}' has explicit 'Differential Revision'.";
}
return $results;
}
// Try to find revisions by hash.
$hashes = array();
foreach ($this->getLocalCommitInformation() as $commit) {
$hashes[] = array('hgcm', $commit['commit']);
}
if ($hashes) {
// NOTE: In the case of "arc diff . --uncommitted" in a Mercurial working
// copy with dirty changes, there may be no local commits.
$results = $conduit->callMethodSynchronous(
'differential.query',
$query + array(
'commitHashes' => $hashes,
));
foreach ($results as $key => $hash) {
$results[$key]['why'] =
"A mercurial commit hash in the commit range is already attached ".
"to the Differential revision.";
}
return $results;
}
return array();
}
public function updateWorkingCopy() {
$this->execxLocal('up');
$this->reloadWorkingCopy();
}
private function getMercurialConfig($key, $default = null) {
list($stdout) = $this->execxLocal('showconfig %s', $key);
if ($stdout == '') {
return $default;
}
return rtrim($stdout);
}
public function getAuthor() {
return $this->getMercurialConfig('ui.username');
}
public function addToCommit(array $paths) {
$this->execxLocal(
'addremove -- %Ls',
$paths);
$this->reloadWorkingCopy();
}
public function doCommit($message) {
$tmp_file = new TempFile();
Filesystem::writeFile($tmp_file, $message);
$this->execxLocal(
'commit -l %s',
$tmp_file);
$this->reloadWorkingCopy();
}
public function amendCommit($message) {
$tmp_file = new TempFile();
Filesystem::writeFile($tmp_file, $message);
$this->execxLocal(
'commit --amend -l %s',
$tmp_file);
$this->reloadWorkingCopy();
}
public function getCommitSummary($commit) {
if ($commit == 'null') {
return '(The Empty Void)';
}
list($summary) = $this->execxLocal(
'log --template {desc} --limit 1 --rev %s',
$commit);
$summary = head(explode("\n", $summary));
return trim($summary);
}
public function resolveBaseCommitRule($rule, $source) {
list($type, $name) = explode(':', $rule, 2);
// NOTE: This function MUST return node hashes or symbolic commits (like
// branch names or the word "tip"), not revsets. This includes ".^" and
// similar, which a revset, not a symbolic commit identifier. If you return
// a revset it will be escaped later and looked up literally.
switch ($type) {
case 'hg':
$matches = null;
if (preg_match('/^gca\((.+)\)$/', $name, $matches)) {
list($err, $merge_base) = $this->execManualLocal(
'log --template={node} --rev %s',
sprintf('ancestor(., %s)', $matches[1]));
if (!$err) {
$this->setBaseCommitExplanation(
"it is the greatest common ancestor of '{$matches[1]}' and ., as".
"specified by '{$rule}' in your {$source} 'base' ".
"configuration.");
return trim($merge_base);
}
} else {
list($err) = $this->execManualLocal(
'id -r %s',
$name);
if (!$err) {
$this->setBaseCommitExplanation(
"it is specified by '{$rule}' in your {$source} 'base' ".
"configuration.");
return $name;
}
}
break;
case 'arc':
switch ($name) {
case 'empty':
$this->setBaseCommitExplanation(
"you specified '{$rule}' in your {$source} 'base' ".
"configuration.");
return 'null';
case 'outgoing':
list($err, $outgoing_base) = $this->execManualLocal(
'log --template={node} --rev %s',
'limit(reverse(ancestors(.) - outgoing()), 1)');
if (!$err) {
$this->setBaseCommitExplanation(
"it is the first ancestor of the working copy that is not ".
"outgoing, and it matched the rule {$rule} in your {$source} ".
"'base' configuration.");
return trim($outgoing_base);
}
case 'amended':
$text = $this->getCommitMessage('.');
$message = ArcanistDifferentialCommitMessage::newFromRawCorpus(
$text);
if ($message->getRevisionID()) {
$this->setBaseCommitExplanation(
"'.' has been amended with 'Differential Revision:', ".
"as specified by '{$rule}' in your {$source} 'base' ".
"configuration.");
// NOTE: This should be safe because Mercurial doesn't support
// amend until 2.2.
return $this->getCanonicalRevisionName('.^');
}
break;
case 'bookmark':
$revset =
'limit('.
' sort('.
' (ancestors(.) and bookmark() - .) or'.
' (ancestors(.) - outgoing()), '.
' -rev),'.
'1)';
list($err, $bookmark_base) = $this->execManualLocal(
'log --template={node} --rev %s',
$revset);
if (!$err) {
$this->setBaseCommitExplanation(
"it is the first ancestor of . that either has a bookmark, or ".
"is already in the remote and it matched the rule {$rule} in ".
"your {$source} 'base' configuration");
return trim($bookmark_base);
}
break;
case 'this':
$this->setBaseCommitExplanation(
"you specified '{$rule}' in your {$source} 'base' ".
"configuration.");
return $this->getCanonicalRevisionName('.^');
}
break;
default:
return null;
}
return null;
}
public function isHgSubversionRepo() {
return file_exists($this->getPath('.hg/svn'));
}
public function getSubversionInfo() {
$info = array();
$base_path = null;
$revision = null;
list($err, $raw_info) = $this->execManualLocal('svn info');
if (!$err) {
foreach (explode("\n", trim($raw_info)) as $line) {
list($key, $value) = explode(': ', $line, 2);
switch ($key) {
case 'URL':
$info['base_path'] = $value;
$base_path = $value;
break;
case 'Repository UUID':
$info['uuid'] = $value;
break;
case 'Revision':
$revision = $value;
break;
default:
break;
}
}
if ($base_path && $revision) {
$info['base_revision'] = $base_path.'@'.$revision;
}
}
return $info;
}
public function getActiveBookmark() {
$bookmarks = $this->getBookmarks();
foreach ($bookmarks as $bookmark) {
if ($bookmark['is_active']) {
return $bookmark['name'];
}
}
return null;
}
public function isBookmark($name) {
$bookmarks = $this->getBookmarks();
foreach ($bookmarks as $bookmark) {
if ($bookmark['name'] === $name) {
return true;
}
}
return false;
}
public function isBranch($name) {
$branches = $this->getBranches();
foreach ($branches as $branch) {
if ($branch['name'] === $name) {
return true;
}
}
return false;
}
public function getBranches() {
$branches = array();
list($raw_output) = $this->execxLocal('branches');
$raw_output = trim($raw_output);
foreach (explode("\n", $raw_output) as $line) {
// example line: default 0:a5ead76cdf85 (inactive)
list($name, $rev_line) = $this->splitBranchOrBookmarkLine($line);
// strip off the '(inactive)' bit if it exists
$rev_parts = explode(' ', $rev_line);
$revision = $rev_parts[0];
$branches[] = array(
'name' => $name,
'revision' => $revision);
}
return $branches;
}
public function getBookmarks() {
$bookmarks = array();
list($raw_output) = $this->execxLocal('bookmarks');
$raw_output = trim($raw_output);
if ($raw_output !== 'no bookmarks set') {
foreach (explode("\n", $raw_output) as $line) {
// example line: * mybook 2:6b274d49be97
list($name, $revision) = $this->splitBranchOrBookmarkLine($line);
$is_active = false;
if ('*' === $name[0]) {
$is_active = true;
$name = substr($name, 2);
}
$bookmarks[] = array(
'is_active' => $is_active,
'name' => $name,
'revision' => $revision);
}
}
return $bookmarks;
}
private function splitBranchOrBookmarkLine($line) {
// branches and bookmarks are printed in the format:
// default 0:a5ead76cdf85 (inactive)
// * mybook 2:6b274d49be97
// this code divides the name half from the revision half
// it does not parse the * and (inactive) bits
$colon_index = strrpos($line, ':');
$before_colon = substr($line, 0, $colon_index);
$start_rev_index = strrpos($before_colon, ' ');
$name = substr($line, 0, $start_rev_index);
$rev = substr($line, $start_rev_index);
return array(trim($name), trim($rev));
}
}

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