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ArcanistCoverWorkflow.php
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ArcanistCoverWorkflow.php
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<?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.
*/
/**
* Covers your professional reputation by blaming changes to locate reviewers.
*
* @group workflow
*/
final class ArcanistCoverWorkflow extends ArcanistBaseWorkflow {
public function getCommandSynopses() {
return phutil_console_format(<<<EOTEXT
**cover** [--rev __revision__] [__path__ ...]
EOTEXT
);
}
public function getCommandHelp() {
return phutil_console_format(<<<EOTEXT
Supports: svn, git
Cover your... professional reputation. Show blame for the lines you
changed in your working copy (svn) or since some commit (hg, git).
This will take a minute because blame takes a minute, especially under
SVN.
EOTEXT
);
}
public function getArguments() {
return array(
'rev' => array(
'param' => 'revision',
'help' => 'Cover changes since a specific revision.',
'supports' => array(
'git',
'hg',
),
'nosupport' => array(
'svn' => "cover does not currently support --rev in svn.",
),
),
'*' => 'paths',
);
}
public function requiresWorkingCopy() {
return true;
}
public function requiresConduit() {
return false;
}
public function requiresAuthentication() {
return false;
}
public function requiresRepositoryAPI() {
return true;
}
public function run() {
$repository_api = $this->getRepositoryAPI();
$in_paths = $this->getArgument('paths');
$in_rev = $this->getArgument('rev');
if ($in_rev) {
// Although selectPathsForWorkflow() may set this, we want to set it
// explicitly so we blame against the correct relative commit.
$repository_api->parseRelativeLocalCommit(array($in_rev));
}
$paths = $this->selectPathsForWorkflow(
$in_paths,
$in_rev,
ArcanistRepositoryAPI::FLAG_UNTRACKED |
ArcanistRepositoryAPI::FLAG_ADDED);
if (!$paths) {
throw new ArcanistNoEffectException(
"You're covered, you didn't change anything.");
}
$covers = array();
foreach ($paths as $path) {
if (is_dir($repository_api->getPath($path))) {
continue;
}
$lines = $this->getChangedLines($path, 'cover');
if (!$lines) {
continue;
}
$blame = $repository_api->getBlame($path);
foreach ($lines as $line) {
list($author, $revision) = idx($blame, $line, array(null, null));
if (!$author) {
continue;
}
if (!isset($covers[$author])) {
$covers[$author] = array();
}
if (!isset($covers[$author][$path])) {
$covers[$author][$path] = array(
'lines' => array(),
'revisions' => array(),
);
}
$covers[$author][$path]['lines'][] = $line;
$covers[$author][$path]['revisions'][] = $revision;
}
}
if (count($covers)) {
foreach ($covers as $author => $files) {
echo phutil_console_format(
"**%s**\n",
$author);
foreach ($files as $file => $info) {
$line_noun = pht('line(s)', count($info['lines']));
$lines = $this->readableSequenceFromLineNumbers($info['lines']);
echo " {$file}: {$line_noun} {$lines}\n";
}
}
} else {
echo "You're covered, your changes didn't touch anyone else's code.\n";
}
return 0;
}
private function readableSequenceFromLineNumbers(array $array) {
$sequence = array();
$last = null;
$seq = null;
$array = array_unique(array_map('intval', $array));
sort($array);
foreach ($array as $element) {
if ($seq !== null && $element == ($seq + 1)) {
$seq++;
continue;
}
if ($seq === null) {
$last = $element;
$seq = $element;
continue;
}
if ($seq > $last) {
$sequence[] = $last.'-'.$seq;
} else {
$sequence[] = $last;
}
$last = $element;
$seq = $element;
}
if ($last !== null && $seq > $last) {
$sequence[] = $last.'-'.$seq;
} else if ($last !== null) {
$sequence[] = $element;
}
return implode(', ', $sequence);
}
}

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