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DifferentialRevisionIDCommitMessageField.php
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Sat, Feb 1, 19:50

DifferentialRevisionIDCommitMessageField.php
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<?php
final class DifferentialRevisionIDCommitMessageField
extends DifferentialCommitMessageField {
const FIELDKEY = 'revisionID';
public function getFieldName() {
return pht('Differential Revision');
}
public function getFieldOrder() {
return 200000;
}
public function isTemplateField() {
return false;
}
public function parseFieldValue($value) {
// If the complete commit message we are parsing has unrecognized custom
// fields at the end, they can end up parsed into the field value for this
// field. For example, if the message looks like this:
// Differential Revision: xyz
// Some-Other-Field: abc
// ...we will receive "xyz\nSome-Other-Field: abc" as the field value for
// this field. Ideally, the install would define these fields so they can
// parse formally, but we can reasonably assume that only the first line
// of any value we encounter actually contains a revision identifier, so
// start by throwing away any other lines.
$value = trim($value);
$value = phutil_split_lines($value, false);
$value = head($value);
$value = trim($value);
// If the value is just "D123" or similar, parse the ID from it directly.
$matches = null;
if (preg_match('/^[dD]([1-9]\d*)\z/', $value, $matches)) {
return (int)$matches[1];
}
// Otherwise, try to extract a URI value.
return self::parseRevisionIDFromURI($value);
}
private static function parseRevisionIDFromURI($uri_string) {
$uri = new PhutilURI($uri_string);
$path = $uri->getPath();
$matches = null;
if (preg_match('#^/D(\d+)$#', $path, $matches)) {
$id = (int)$matches[1];
$prod_uri = new PhutilURI(PhabricatorEnv::getProductionURI('/D'.$id));
// Make sure the URI is the same as our URI. Basically, we want to ignore
// commits from other Phabricator installs.
if ($uri->getDomain() == $prod_uri->getDomain()) {
return $id;
}
$allowed_uris = PhabricatorEnv::getAllowedURIs('/D'.$id);
foreach ($allowed_uris as $allowed_uri) {
if ($uri_string == $allowed_uri) {
return $id;
}
}
}
return null;
}
public function readFieldValueFromObject(DifferentialRevision $revision) {
return $revision->getID();
}
public function readFieldValueFromConduit($value) {
if (is_int($value)) {
$value = (string)$value;
}
return $this->readStringFieldValueFromConduit($value);
}
public function renderFieldValue($value) {
if (!strlen($value)) {
return null;
}
return PhabricatorEnv::getProductionURI('/D'.$value);
}
public function getFieldTransactions($value) {
return array();
}
}

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