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phorge-phorge/src/applications/diffusion/query/rawdiff/DiffusionMercurialRawDiffQuery.php
Bob Trahan 6bbdd2609a Allow diffusion to load initial commits in Mercurial repositories
Summary: no parents - no problem - just diff that ish against "null"

Test Plan: initial commits were viewable in my test repos

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T1689

Differential Revision: https://secure.phabricator.com/D3660
2012-10-08 16:35:34 -07:00

72 lines
2 KiB
PHP

<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class DiffusionMercurialRawDiffQuery extends DiffusionRawDiffQuery {
protected function executeQuery() {
$raw_diff = $this->executeRawDiffCommand();
// the only legitimate case here is if we are looking at the first commit
// in the repository. no parents means first commit.
if (!$raw_diff) {
$drequest = $this->getRequest();
$parent_query =
DiffusionCommitParentsQuery::newFromDiffusionRequest($drequest);
$parents = $parent_query->loadParents();
if ($parents === array()) {
// mercurial likes the string null here
$this->setAgainstCommit('null');
$raw_diff = $this->executeRawDiffCommand();
}
}
return $raw_diff;
}
protected function executeRawDiffCommand() {
$drequest = $this->getRequest();
$repository = $drequest->getRepository();
$commit = $drequest->getCommit();
// If there's no path, get the entire raw diff.
$path = nonempty($drequest->getPath(), '.');
$against = $this->getAgainstCommit();
if ($against === null) {
$against = $commit.'^';
}
$future = $repository->getLocalCommandFuture(
'diff -U %d --git --rev %s:%s -- %s',
$this->getLinesOfContext(),
$against,
$commit,
$path);
if ($this->getTimeout()) {
$future->setTimeout($this->getTimeout());
}
list($raw_diff) = $future->resolvex();
return $raw_diff;
}
}