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PhabricatorConfigVersionController.php
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Sat, Jan 4, 11:17

PhabricatorConfigVersionController.php
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<?php
final class PhabricatorConfigVersionController
extends PhabricatorConfigController {
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$title = pht('Version Information');
$versions = $this->renderModuleStatus($viewer);
$nav = $this->buildSideNavView();
$nav->selectFilter('version/');
$header = $this->buildHeaderView($title);
$view = $this->buildConfigBoxView(
pht('Installed Versions'),
$versions);
$crumbs = $this->buildApplicationCrumbs()
->addTextCrumb($title)
->setBorder(true);
$content = id(new PHUITwoColumnView())
->setHeader($header)
->setNavigation($nav)
->setFixed(true)
->setMainColumn($view);
return $this->newPage()
->setTitle($title)
->setCrumbs($crumbs)
->appendChild($content);
}
public function renderModuleStatus($viewer) {
$versions = $this->loadVersions($viewer);
$version_property_list = id(new PHUIPropertyListView());
foreach ($versions as $name => $info) {
$version = $info['version'];
if ($info['branchpoint']) {
$display = pht(
'%s (branched from %s on %s)',
$version,
$info['branchpoint'],
$info['upstream']);
} else {
$display = $version;
}
$version_property_list->addProperty($name, $display);
}
$phabricator_root = dirname(phutil_get_library_root('phabricator'));
$version_path = $phabricator_root.'/conf/local/VERSION';
if (Filesystem::pathExists($version_path)) {
$version_from_file = Filesystem::readFile($version_path);
$version_property_list->addProperty(
pht('Local Version'),
$version_from_file);
}
$binaries = PhutilBinaryAnalyzer::getAllBinaries();
foreach ($binaries as $binary) {
if (!$binary->isBinaryAvailable()) {
$binary_info = pht('Not Available');
} else {
$version = $binary->getBinaryVersion();
$path = $binary->getBinaryPath();
if ($path === null && $version === null) {
$binary_info = pht('-');
} else if ($path === null) {
$binary_info = $version;
} else if ($version === null) {
$binary_info = pht('- at %s', $path);
} else {
$binary_info = pht('%s at %s', $version, $path);
}
}
$version_property_list->addProperty(
$binary->getBinaryName(),
$binary_info);
}
return $version_property_list;
}
private function loadVersions(PhabricatorUser $viewer) {
$specs = array(
'phabricator',
'arcanist',
'phutil',
);
$all_libraries = PhutilBootloader::getInstance()->getAllLibraries();
// This puts the core libraries at the top:
$other_libraries = array_diff($all_libraries, $specs);
$specs = array_merge($specs, $other_libraries);
$log_futures = array();
$remote_futures = array();
foreach ($specs as $lib) {
$root = dirname(phutil_get_library_root($lib));
$log_command = csprintf(
'git log --format=%s -n 1 --',
'%H %ct');
$remote_command = csprintf(
'git remote -v');
$log_futures[$lib] = id(new ExecFuture('%C', $log_command))
->setCWD($root);
$remote_futures[$lib] = id(new ExecFuture('%C', $remote_command))
->setCWD($root);
}
$all_futures = array_merge($log_futures, $remote_futures);
id(new FutureIterator($all_futures))
->resolveAll();
// A repository may have a bunch of remotes, but we're only going to look
// for remotes we host to try to figure out where this repository branched.
$upstream_pattern = '(github\.com/phacility/|secure\.phabricator\.com/)';
$upstream_futures = array();
$lib_upstreams = array();
foreach ($specs as $lib) {
$remote_future = $remote_futures[$lib];
list($err, $stdout) = $remote_future->resolve();
if ($err) {
// If this fails for whatever reason, just move on.
continue;
}
// These look like this, with a tab separating the first two fields:
// remote-name http://remote.uri/ (push)
$upstreams = array();
$remotes = phutil_split_lines($stdout, false);
foreach ($remotes as $remote) {
$remote_pattern = '/^([^\t]+)\t([^ ]+) \(([^)]+)\)\z/';
$matches = null;
if (!preg_match($remote_pattern, $remote, $matches)) {
continue;
}
// Remote URIs are either "push" or "fetch": we only care about "fetch"
// URIs.
$type = $matches[3];
if ($type != 'fetch') {
continue;
}
$uri = $matches[2];
$is_upstream = preg_match($upstream_pattern, $uri);
if (!$is_upstream) {
continue;
}
$name = $matches[1];
$upstreams[$name] = $name;
}
// If we have several suitable upstreams, try to pick the one named
// "origin", if it exists. Otherwise, just pick the first one.
if (isset($upstreams['origin'])) {
$upstream = $upstreams['origin'];
} else if ($upstreams) {
$upstream = head($upstreams);
} else {
$upstream = null;
}
if (!$upstream) {
continue;
}
$lib_upstreams[$lib] = $upstream;
$merge_base_command = csprintf(
'git merge-base HEAD %s/master --',
$upstream);
$root = dirname(phutil_get_library_root($lib));
$upstream_futures[$lib] = id(new ExecFuture('%C', $merge_base_command))
->setCWD($root);
}
if ($upstream_futures) {
id(new FutureIterator($upstream_futures))
->resolveAll();
}
$results = array();
foreach ($log_futures as $lib => $future) {
list($err, $stdout) = $future->resolve();
if (!$err) {
list($hash, $epoch) = explode(' ', $stdout);
$version = pht('%s (%s)', $hash, phabricator_date($epoch, $viewer));
} else {
$version = pht('Unknown');
}
$result = array(
'version' => $version,
'upstream' => null,
'branchpoint' => null,
);
$upstream_future = idx($upstream_futures, $lib);
if ($upstream_future) {
list($err, $stdout) = $upstream_future->resolve();
if (!$err) {
$branchpoint = trim($stdout);
if (strlen($branchpoint)) {
// We only list a branchpoint if it differs from HEAD.
if ($branchpoint != $hash) {
$result['upstream'] = $lib_upstreams[$lib];
$result['branchpoint'] = trim($stdout);
}
}
}
}
$results[$lib] = $result;
}
return $results;
}
}

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