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diff --git a/src/repository/parser/ArcanistMercurialParser.php b/src/repository/parser/ArcanistMercurialParser.php
index 814a95b7..884e37bb 100644
--- a/src/repository/parser/ArcanistMercurialParser.php
+++ b/src/repository/parser/ArcanistMercurialParser.php
@@ -1,214 +1,220 @@
<?php
/**
* Parses output from various "hg" commands into structured data. This class
* provides low-level APIs for reading "hg" output.
*
* @task parse Parsing "hg" Output
* @group workingcopy
*/
final class ArcanistMercurialParser {
/* -( Parsing "hg" Output )------------------------------------------------ */
/**
* Parse the output of "hg status". This provides detailed information, you
* can get less detailed information with @{method:parseMercurialStatus}. In
* particular, this will parse copy sources as per "hg status -C".
*
* @param string The stdout from running an "hg status" command.
* @return dict Map of paths to status dictionaries.
* @task parse
*/
public static function parseMercurialStatusDetails($stdout) {
$result = array();
$stdout = trim($stdout);
if (!strlen($stdout)) {
return $result;
}
$last_path = null;
$lines = explode("\n", $stdout);
foreach ($lines as $line) {
$flags = 0;
if ($line[1] !== ' ') {
throw new Exception("Unparsable Mercurial status line '{$line}'.");
}
$code = $line[0];
$path = substr($line, 2);
switch ($code) {
case 'A':
$flags |= ArcanistRepositoryAPI::FLAG_ADDED;
break;
case 'R':
$flags |= ArcanistRepositoryAPI::FLAG_DELETED;
break;
case 'M':
$flags |= ArcanistRepositoryAPI::FLAG_MODIFIED;
break;
case 'C':
// This is "clean" and included only for completeness, these files
// have not been changed.
break;
case '!':
$flags |= ArcanistRepositoryAPI::FLAG_MISSING;
break;
case '?':
$flags |= ArcanistRepositoryAPI::FLAG_UNTRACKED;
break;
case 'I':
// This is "ignored" and included only for completeness.
break;
case ' ':
// This shows the source of a file move, so update the last file we
// parsed to set its source.
if ($last_path === null) {
throw new Exception(
"Unexpected copy source in hg status, '{$line}'.");
}
$result[$last_path]['from'] = $path;
continue 2;
default:
throw new Exception("Unknown Mercurial status '{$code}'.");
}
$result[$path] = array(
'flags' => $flags,
'from' => null,
);
$last_path = $path;
}
return $result;
}
/**
* Parse the output of "hg status". This provides only basic information, you
* can get more detailed information by invoking
* @{method:parseMercurialStatusDetails}.
*
* @param string The stdout from running an "hg status" command.
* @return dict Map of paths to ArcanistRepositoryAPI status flags.
* @task parse
*/
public static function parseMercurialStatus($stdout) {
$result = self::parseMercurialStatusDetails($stdout);
return ipull($result, 'flags');
}
/**
* Parse the output of "hg log". This also parses "hg outgoing", "hg parents",
* and other similar commands. This assumes "--style default".
*
* @param string The stdout from running an "hg log" command.
* @return list List of dictionaries with commit information.
* @task parse
*/
public static function parseMercurialLog($stdout) {
$result = array();
$stdout = trim($stdout);
if (!strlen($stdout)) {
return $result;
}
$chunks = explode("\n\n", $stdout);
foreach ($chunks as $chunk) {
$commit = array();
$lines = explode("\n", $chunk);
foreach ($lines as $line) {
if (preg_match('/^(comparing with|searching for changes)/', $line)) {
// These are sent to stdout when you run "hg outgoing" although the
// format is otherwise identical to "hg log".
continue;
}
+
+ if (preg_match('/^remote:/', $line)) {
+ // This indicates remote error in "hg outgoing".
+ continue;
+ }
+
list($name, $value) = explode(':', $line, 2);
$value = trim($value);
switch ($name) {
case 'user':
$commit['user'] = $value;
break;
case 'date':
$commit['date'] = strtotime($value);
break;
case 'summary':
$commit['summary'] = $value;
break;
case 'changeset':
list($local, $rev) = explode(':', $value, 2);
$commit['local'] = $local;
$commit['rev'] = $rev;
break;
case 'parent':
if (empty($commit['parents'])) {
$commit['parents'] = array();
}
list($local, $rev) = explode(':', $value, 2);
$commit['parents'][] = array(
'local' => $local,
'rev' => $rev,
);
break;
case 'branch':
$commit['branch'] = $value;
break;
case 'tag':
$commit['tag'] = $value;
break;
case 'bookmark':
$commit['bookmark'] = $value;
break;
default:
throw new Exception("Unknown Mercurial log field '{$name}'!");
}
}
$result[] = $commit;
}
return $result;
}
/**
* Parse the output of "hg branches".
*
* @param string The stdout from running an "hg branches" command.
* @return list A list of dictionaries with branch information.
* @task parse
*/
public static function parseMercurialBranches($stdout) {
$lines = explode("\n", trim($stdout));
$branches = array();
foreach ($lines as $line) {
$matches = null;
// Output of "hg branches" normally looks like:
//
// default 15101:a21ccf4412d5
//
// ...but may also have human-readable cues like:
//
// stable 15095:ec222a29bdf0 (inactive)
//
// See the unit tests for more examples.
$regexp = '/^(\S+(?:\s+\S+)*)\s+(\d+):([a-f0-9]+)(\s+\\(inactive\\))?$/';
if (!preg_match($regexp, $line, $matches)) {
throw new Exception("Failed to parse 'hg branches' output: {$line}");
}
$branches[$matches[1]] = array(
'local' => $matches[2],
'rev' => $matches[3],
);
}
return $branches;
}
}

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