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ReleephCommitFinder.php
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Tue, Jan 7, 09:50

ReleephCommitFinder.php
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<?php
final class ReleephCommitFinder {
private $releephProject;
public function setReleephProject(ReleephProject $rp) {
$this->releephProject = $rp;
return $this;
}
public function fromPartial($partial_string) {
// Look for diffs
$matches = array();
if (preg_match('/^D([1-9]\d*)$/', $partial_string, $matches)) {
$diff_id = $matches[1];
$diff_rev = id(new DifferentialRevision())->load($diff_id);
if (!$diff_rev) {
throw new ReleephCommitFinderException(
"{$partial_string} does not refer to an existing diff.");
}
$commit_phids = $diff_rev->loadCommitPHIDs();
if (!$commit_phids) {
throw new ReleephCommitFinderException(
"{$partial_string} has no commits associated with it yet.");
}
$commits = id(new PhabricatorRepositoryCommit())->loadAllWhere(
'phid IN (%Ls) ORDER BY epoch ASC',
$commit_phids);
return head($commits);
}
// Look for a raw commit number, or r<callsign><commit-number>.
$repository = $this->releephProject->loadPhabricatorRepository();
$dr_data = null;
$matches = array();
if (preg_match('/^r(?P<callsign>[A-Z]+)(?P<commit>\w+)$/',
$partial_string, $matches)) {
$callsign = $matches['callsign'];
if ($callsign != $repository->getCallsign()) {
throw new ReleephCommitFinderException(sprintf(
"%s is in a different repository to this Releeph project (%s).",
$partial_string,
$repository->getCallsign()));
} else {
$dr_data = $matches;
}
} else {
$dr_data = array(
'callsign' => $repository->getCallsign(),
'commit' => $partial_string
);
}
try {
$dr = DiffusionRequest::newFromDictionary($dr_data);
} catch (Exception $ex) {
$message = "No commit matches {$partial_string}: ".$ex->getMessage();
throw new ReleephCommitFinderException($message);
}
$phabricator_repository_commit = $dr->loadCommit();
if (!$phabricator_repository_commit) {
throw new ReleephCommitFinderException(
"The commit {$partial_string} doesn't exist in this repository.");
}
return $phabricator_repository_commit;
}
}

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