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diff --git a/src/repository/api/git/ArcanistGitAPI.php b/src/repository/api/git/ArcanistGitAPI.php
index 890f17ab..89fc1fb8 100644
--- a/src/repository/api/git/ArcanistGitAPI.php
+++ b/src/repository/api/git/ArcanistGitAPI.php
@@ -1,680 +1,683 @@
<?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.
*/
/**
* Interfaces with Git working copies.
*
* @group workingcopy
*/
final class ArcanistGitAPI extends ArcanistRepositoryAPI {
private $status;
private $relativeCommit = null;
private $repositoryHasNoCommits = false;
const SEARCH_LENGTH_FOR_PARENT_REVISIONS = 16;
/**
* For the repository's initial commit, 'git diff HEAD^' and similar do
* not work. Using this instead does work.
*/
const GIT_MAGIC_ROOT_COMMIT = '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
public static function newHookAPI($root) {
return new ArcanistGitAPI($root);
}
public function getSourceControlSystemName() {
return 'git';
}
public function getHasCommits() {
return !$this->repositoryHasNoCommits;
}
public function setRelativeCommit($relative_commit) {
$this->relativeCommit = $relative_commit;
return $this;
}
public function getLocalCommitInformation() {
if ($this->repositoryHasNoCommits) {
// Zero commits.
throw new Exception(
"You can't get local commit information for a repository with no ".
"commits.");
} else if ($this->relativeCommit == self::GIT_MAGIC_ROOT_COMMIT) {
// One commit.
$against = 'HEAD';
} else {
// 2..N commits.
$against = $this->getRelativeCommit().'..HEAD';
}
list($info) = execx(
'(cd %s && git log %s --format=%s --)',
$this->getPath(),
$against,
'%H%x00%T%x00%P%x00%at%x00%an%x00%s');
$commits = array();
$info = trim($info);
$info = explode("\n", $info);
foreach ($info as $line) {
list($commit, $tree, $parents, $time, $author, $title)
= explode("\0", $line, 6);
$commits[] = array(
'commit' => $commit,
'tree' => $tree,
'parents' => array_filter(explode(' ', $parents)),
'time' => $time,
'author' => $author,
'summary' => $title,
);
}
return $commits;
}
public function getRelativeCommit() {
if ($this->relativeCommit === null) {
list($err) = exec_manual(
'(cd %s; git rev-parse --verify HEAD^)',
$this->getPath());
if ($err) {
list($err) = exec_manual(
'(cd %s; git rev-parse --verify HEAD)',
$this->getPath());
if ($err) {
$this->repositoryHasNoCommits = true;
}
$this->relativeCommit = self::GIT_MAGIC_ROOT_COMMIT;
} else {
$this->relativeCommit = 'HEAD^';
}
}
return $this->relativeCommit;
}
private function getDiffFullOptions() {
$options = array(
self::getDiffBaseOptions(),
'-M',
'-C',
'--no-color',
'--src-prefix=a/',
'--dst-prefix=b/',
'-U'.$this->getDiffLinesOfContext(),
);
return implode(' ', $options);
}
private function getDiffBaseOptions() {
$options = array(
// Disable external diff drivers, like graphical differs, since Arcanist
// needs to capture the diff text.
'--no-ext-diff',
// Disable textconv so we treat binary files as binary, even if they have
// an alternative textual representation. TODO: Ideally, Differential
// would ship up the binaries for 'arc patch' but display the textconv
// output in the visual diff.
'--no-textconv',
);
return implode(' ', $options);
}
public function getFullGitDiff() {
$options = $this->getDiffFullOptions();
list($stdout) = execx(
"(cd %s; git diff {$options} %s --)",
$this->getPath(),
$this->getRelativeCommit());
return $stdout;
}
public function getRawDiffText($path) {
$options = $this->getDiffFullOptions();
list($stdout) = execx(
"(cd %s; git diff {$options} %s -- %s)",
$this->getPath(),
$this->getRelativeCommit(),
$path);
return $stdout;
}
public function getBranchName() {
// TODO: consider:
//
// $ git rev-parse --abbrev-ref `git symbolic-ref HEAD`
//
// But that may fail if you're not on a branch.
list($stdout) = execx(
'(cd %s; git branch)',
$this->getPath());
$matches = null;
if (preg_match('/^\* (.+)$/m', $stdout, $matches)) {
return $matches[1];
}
return null;
}
public function getSourceControlPath() {
// TODO: Try to get something useful here.
return null;
}
public function getGitCommitLog() {
$relative = $this->getRelativeCommit();
if ($this->repositoryHasNoCommits) {
// No commits yet.
return '';
} else if ($relative == self::GIT_MAGIC_ROOT_COMMIT) {
// First commit.
list($stdout) = execx(
'(cd %s; git log --format=medium HEAD)',
$this->getPath());
} else {
// 2..N commits.
list($stdout) = execx(
'(cd %s; git log --first-parent --format=medium %s..HEAD)',
$this->getPath(),
$this->getRelativeCommit());
}
return $stdout;
}
public function getGitHistoryLog() {
list($stdout) = execx(
'(cd %s; git log --format=medium -n%d %s)',
$this->getPath(),
self::SEARCH_LENGTH_FOR_PARENT_REVISIONS,
$this->getRelativeCommit());
return $stdout;
}
public function getSourceControlBaseRevision() {
list($stdout) = execx(
'(cd %s; git rev-parse %s)',
$this->getPath(),
$this->getRelativeCommit());
return rtrim($stdout, "\n");
}
/**
* Returns the sha1 of the HEAD revision
* @param boolean $short whether return the abbreviated or full hash.
*/
public function getGitHeadRevision($short=false) {
if ($short) {
$flags = '--short';
} else {
$flags = '';
}
list($stdout) = execx(
'(cd %s; git rev-parse %s HEAD)',
$this->getPath(),
$flags);
return rtrim($stdout, "\n");
}
public function getWorkingCopyStatus() {
if (!isset($this->status)) {
$options = $this->getDiffBaseOptions();
// -- parallelize these slow cpu bound git calls.
// Find committed changes.
$committed_future = new ExecFuture(
"(cd %s; git diff {$options} --raw %s --)",
$this->getPath(),
$this->getRelativeCommit());
// Find uncommitted changes.
$uncommitted_future = new ExecFuture(
"(cd %s; git diff {$options} --raw %s --)",
$this->getPath(),
$this->repositoryHasNoCommits
? self::GIT_MAGIC_ROOT_COMMIT
: 'HEAD');
// Untracked files
$untracked_future = new ExecFuture(
'(cd %s; git ls-files --others --exclude-standard)',
$this->getPath());
// TODO: This doesn't list unstaged adds. It's not clear how to get that
// list other than "git status --porcelain" and then parsing it. :/
// Unstaged changes
$unstaged_future = new ExecFuture(
'(cd %s; git ls-files -m)',
$this->getPath());
$futures = array(
$committed_future,
$uncommitted_future,
$untracked_future,
$unstaged_future
);
Futures($futures)->resolveAll();
// -- read back and process the results
list($stdout, $stderr) = $committed_future->resolvex();
$files = $this->parseGitStatus($stdout);
list($stdout, $stderr) = $uncommitted_future->resolvex();
$uncommitted_files = $this->parseGitStatus($stdout);
foreach ($uncommitted_files as $path => $mask) {
$mask |= self::FLAG_UNCOMMITTED;
if (!isset($files[$path])) {
$files[$path] = 0;
}
$files[$path] |= $mask;
}
list($stdout, $stderr) = $untracked_future->resolvex();
$stdout = rtrim($stdout, "\n");
if (strlen($stdout)) {
$stdout = explode("\n", $stdout);
foreach ($stdout as $file) {
$files[$file] = self::FLAG_UNTRACKED;
}
}
list($stdout, $stderr) = $unstaged_future->resolvex();
$stdout = rtrim($stdout, "\n");
if (strlen($stdout)) {
$stdout = explode("\n", $stdout);
foreach ($stdout as $file) {
$files[$file] = isset($files[$file])
? ($files[$file] | self::FLAG_UNSTAGED)
: self::FLAG_UNSTAGED;
}
}
$this->status = $files;
}
return $this->status;
}
public function amendGitHeadCommit($message) {
execx(
'(cd %s; git commit --amend --allow-empty --message %s)',
$this->getPath(),
$message);
}
public function getPreReceiveHookStatus($old_ref, $new_ref) {
$options = $this->getDiffBaseOptions();
list($stdout) = execx(
"(cd %s && git diff {$options} --raw %s %s --)",
$this->getPath(),
$old_ref,
$new_ref);
return $this->parseGitStatus($stdout, $full = true);
}
private function parseGitStatus($status, $full = false) {
static $flags = array(
'A' => self::FLAG_ADDED,
'M' => self::FLAG_MODIFIED,
'D' => self::FLAG_DELETED,
);
$status = trim($status);
$lines = array();
foreach (explode("\n", $status) as $line) {
if ($line) {
$lines[] = preg_split("/[ \t]/", $line);
}
}
$files = array();
foreach ($lines as $line) {
$mask = 0;
$flag = $line[4];
$file = $line[5];
foreach ($flags as $key => $bits) {
if ($flag == $key) {
$mask |= $bits;
}
}
if ($full) {
$files[$file] = array(
'mask' => $mask,
'ref' => rtrim($line[3], '.'),
);
} else {
$files[$file] = $mask;
}
}
return $files;
}
public function getBlame($path) {
// TODO: 'git blame' supports --porcelain and we should probably use it.
list($stdout) = execx(
'(cd %s; git blame --date=iso -w -M %s -- %s)',
$this->getPath(),
$this->getRelativeCommit(),
$path);
$blame = array();
foreach (explode("\n", trim($stdout)) as $line) {
if (!strlen($line)) {
continue;
}
// lines predating a git repo's history are blamed to the oldest revision,
// with the commit hash prepended by a ^. we shouldn't count these lines
// as blaming to the oldest diff's unfortunate author
if ($line[0] == '^') {
continue;
}
$matches = null;
$ok = preg_match(
'/^([0-9a-f]+)[^(]+?[(](.*?) +\d\d\d\d-\d\d-\d\d/',
$line,
$matches);
if (!$ok) {
throw new Exception("Bad blame? `{$line}'");
}
$revision = $matches[1];
$author = $matches[2];
$blame[] = array($author, $revision);
}
return $blame;
}
public function getOriginalFileData($path) {
return $this->getFileDataAtRevision($path, $this->getRelativeCommit());
}
public function getCurrentFileData($path) {
return $this->getFileDataAtRevision($path, 'HEAD');
}
private function parseGitTree($stdout) {
$result = array();
$stdout = trim($stdout);
if (!strlen($stdout)) {
return $result;
}
$lines = explode("\n", $stdout);
foreach ($lines as $line) {
$matches = array();
$ok = preg_match(
'/^(\d{6}) (blob|tree) ([a-z0-9]{40})[\t](.*)$/',
$line,
$matches);
if (!$ok) {
throw new Exception("Failed to parse git ls-tree output!");
}
$result[$matches[4]] = array(
'mode' => $matches[1],
'type' => $matches[2],
'ref' => $matches[3],
);
}
return $result;
}
private function getFileDataAtRevision($path, $revision) {
// NOTE: We don't want to just "git show {$revision}:{$path}" since if the
// path was a directory at the given revision we'll get a list of its files
// and treat it as though it as a file containing a list of other files,
// which is silly.
list($stdout) = execx(
'(cd %s && git ls-tree %s -- %s)',
$this->getPath(),
$revision,
$path);
$info = $this->parseGitTree($stdout);
if (empty($info[$path])) {
// No such path, or the path is a directory and we executed 'ls-tree dir/'
// and got a list of its contents back.
return null;
}
if ($info[$path]['type'] != 'blob') {
// Path is or was a directory, not a file.
return null;
}
list($stdout) = execx(
'(cd %s && git cat-file blob %s)',
$this->getPath(),
$info[$path]['ref']);
return $stdout;
}
/**
* Returns names of all the branches in the current repository.
*
* @return array where each element is a triple ('name', 'sha1', 'current')
*/
public function getAllBranches() {
list($branch_info) = execx(
'cd %s && git branch --no-color', $this->getPath());
$lines = explode("\n", trim($branch_info));
$result = array();
foreach ($lines as $line) {
$match = array();
preg_match('/^(\*?)\s*(.*)$/', $line, $match);
$name = $match[2];
if ($name == '(no branch)') {
// Just ignore this, we could theoretically try to figure out the ref
// and treat it like a real branch but that's sort of ridiculous.
continue;
}
$result[] = array(
'current' => !empty($match[1]),
'name' => $name,
);
}
$all_names = ipull($result, 'name');
// Calling 'git branch' first and then 'git rev-parse' is way faster than
// 'git branch -v' for some reason.
list($sha1s_string) = execx(
"cd %s && git rev-parse %Ls",
$this->path,
$all_names);
$sha1_map = array_combine($all_names, explode("\n", trim($sha1s_string)));
foreach ($result as &$branch) {
$branch['sha1'] = $sha1_map[$branch['name']];
}
return $result;
}
/**
* Returns git commit messages for the given revisions,
* in the specified format (see git show --help for options).
*
* @param array $revs a list of commit hashes
* @param string $format the format to show messages in
*/
public function multigetCommitMessages($revs, $format) {
$delimiter = "%%x00";
$revs_list = implode(' ', $revs);
$show_command =
"git show -s --pretty=\"format:$format$delimiter\" $revs_list";
list($commits_string) = execx(
"cd %s && $show_command",
$this->getPath());
$commits_list = array_slice(explode("\0", $commits_string), 0, -1);
$commits_list = array_combine($revs, $commits_list);
return $commits_list;
}
public function getRepositoryOwner() {
list($owner) = execx(
'cd %s && git config --get user.name',
$this->getPath());
return trim($owner);
}
public function getWorkingCopyRevision() {
list($stdout) = execx(
'(cd %s; git rev-parse %s)',
$this->getPath(),
'HEAD');
return rtrim($stdout, "\n");
}
public function supportsRelativeLocalCommits() {
return true;
}
public function parseRelativeLocalCommit(array $argv) {
if (count($argv) == 0) {
return;
}
if (count($argv) != 1) {
throw new ArcanistUsageException("Specify only one commit.");
}
$base = reset($argv);
if ($base == ArcanistGitAPI::GIT_MAGIC_ROOT_COMMIT) {
$merge_base = $base;
} else {
list($err, $merge_base) = exec_manual(
'(cd %s; git merge-base %s HEAD)',
$this->getPath(),
$base);
if ($err) {
throw new ArcanistUsageException(
"Unable to find any git commit named '{$base}' in this repository.");
}
}
$this->setRelativeCommit(trim($merge_base));
}
public function getAllLocalChanges() {
$diff = $this->getFullGitDiff();
+ if (!strlen(trim($diff))) {
+ return array();
+ }
$parser = new ArcanistDiffParser();
return $parser->parseDiff($diff);
}
public function supportsLocalBranchMerge() {
return true;
}
public function performLocalBranchMerge($branch, $message) {
if (!$branch) {
throw new ArcanistUsageException(
"Under git, you must specify the branch you want to merge.");
}
$err = phutil_passthru(
'(cd %s && git merge --no-ff -m %s %s)',
$this->getPath(),
$message,
$branch);
if ($err) {
throw new ArcanistUsageException("Merge failed!");
}
}
public function getFinalizedRevisionMessage() {
return "You may now push this commit upstream, as appropriate (e.g. with ".
"'git push', or 'git svn dcommit', or by printing and faxing it).";
}
public function getCommitMessageForRevision($rev) {
list($message) = execx(
'(cd %s && git log -n1 %s)',
$this->getPath(),
$rev);
$parser = new ArcanistDiffParser();
return head($parser->parseDiff($message));
}
public function loadWorkingCopyDifferentialRevisions(
ConduitClient $conduit,
array $query) {
$messages = $this->getGitCommitLog();
if (!strlen($messages)) {
return array();
}
$parser = new ArcanistDiffParser();
$messages = $parser->parseDiff($messages);
// First, try to find revisions by explicit revision IDs in commit messages.
$revision_ids = array();
foreach ($messages as $message) {
$object = ArcanistDifferentialCommitMessage::newFromRawCorpus(
$message->getMetadata('message'));
if ($object->getRevisionID()) {
$revision_ids[] = $object->getRevisionID();
}
}
if ($revision_ids) {
$results = $conduit->callMethodSynchronous(
'differential.query',
$query + array(
'ids' => $revision_ids,
));
return $results;
}
// If we didn't succeed, try to find revisions by hash.
$hashes = array();
foreach ($this->getLocalCommitInformation() as $commit) {
$hashes[] = array('gtcm', $commit['commit']);
$hashes[] = array('gttr', $commit['tree']);
}
$results = $conduit->callMethodSynchronous(
'differential.query',
$query + array(
'commitHashes' => $hashes,
));
if ($results) {
return $results;
}
// If we still didn't succeed, try to find revisions by branch name.
$results = $conduit->callMethodSynchronous(
'differential.query',
$query + array(
'branches' => array($this->getBranchName()),
));
return $results;
}
}
diff --git a/src/repository/api/mercurial/ArcanistMercurialAPI.php b/src/repository/api/mercurial/ArcanistMercurialAPI.php
index 4c4cb316..7bbeb465 100644
--- a/src/repository/api/mercurial/ArcanistMercurialAPI.php
+++ b/src/repository/api/mercurial/ArcanistMercurialAPI.php
@@ -1,433 +1,436 @@
<?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.
*/
/**
* Interfaces with the Mercurial working copies.
*
* @group workingcopy
*/
final class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
private $status;
private $base;
private $relativeCommit;
private $workingCopyRevision;
private $localCommitInfo;
public function execxLocal($pattern /*, ... */) {
$args = func_get_args();
return $this->buildLocalFuture($args)->resolvex();
}
public function execManualLocal($pattern /*, ... */) {
$args = func_get_args();
return $this->buildLocalFuture($args)->resolve();
}
private function buildLocalFuture(array $argv) {
// Mercurial has a "defaults" feature which basically breaks automation by
// allowing the user to add random flags to any command. This feature is
// "deprecated" and "a bad idea" that you should "forget ... existed"
// according to project lead Matt Mackall:
//
// http://markmail.org/message/hl3d6eprubmkkqh5
//
// There is an HGPLAIN environmental variable which enables "plain mode"
// and hopefully disables this stuff.
$argv[0] = 'HGPLAIN=1 hg '.$argv[0];
$future = newv('ExecFuture', $argv);
$future->setCWD($this->getPath());
return $future;
}
public function getSourceControlSystemName() {
return 'hg';
}
public function getSourceControlBaseRevision() {
list($stdout) = $this->execxLocal(
'log -l 1 --template %s -r %s',
'{node}\\n',
$this->getRelativeCommit());
return rtrim($stdout, "\n");
}
public function getSourceControlPath() {
return '/';
}
public function getBranchName() {
// TODO: I have nearly no idea how hg branches work.
list($stdout) = $this->execxLocal('branch');
return trim($stdout);
}
public function setRelativeCommit($commit) {
list($err) = $this->execManualLocal('id -ir %s', $commit);
if ($err) {
throw new ArcanistUsageException(
"Commit '{$commit}' is not a valid Mercurial commit identifier.");
}
$this->relativeCommit = $commit;
return $this;
}
public function getRelativeCommit() {
if (empty($this->relativeCommit)) {
list($stdout) = $this->execxLocal(
'outgoing --branch `hg branch` --style default');
$logs = ArcanistMercurialParser::parseMercurialLog($stdout);
if (!count($logs)) {
throw new ArcanistUsageException("You have no outgoing changes!");
}
$outgoing_revs = ipull($logs, 'rev');
// This is essentially an implementation of a theoretical `hg merge-base`
// command.
$against = 'tip';
while (true) {
// NOTE: The "^" and "~" syntaxes were only added in hg 1.9, which is
// new as of July 2011, so do this in a compatible way. Also, "hg log"
// and "hg outgoing" don't necessarily show parents (even if given an
// explicit template consisting of just the parents token) so we need
// to separately execute "hg parents".
list($stdout) = $this->execxLocal(
'parents --style default --rev %s',
$against);
$parents_logs = ArcanistMercurialParser::parseMercurialLog($stdout);
list($p1, $p2) = array_merge($parents_logs, array(null, null));
if ($p1 && !in_array($p1['rev'], $outgoing_revs)) {
$against = $p1['rev'];
break;
} else if ($p2 && !in_array($p2['rev'], $outgoing_revs)) {
$against = $p2['rev'];
break;
} else if ($p1) {
$against = $p1['rev'];
} else {
// This is the case where you have a new repository and the entire
// thing is outgoing; Mercurial literally accepts "--rev null" as
// meaning "diff against the empty state".
$against = 'null';
break;
}
}
$this->relativeCommit = $against;
}
return $this->relativeCommit;
}
public function getLocalCommitInformation() {
if ($this->localCommitInfo === null) {
list($info) = $this->execxLocal(
'log --style default --rev %s..%s --',
$this->getRelativeCommit(),
$this->getWorkingCopyRevision());
$logs = ArcanistMercurialParser::parseMercurialLog($info);
// Get rid of the first log, it's not actually part of the diff. "hg log"
// is inclusive, while "hg diff" is exclusive.
array_shift($logs);
// Expand short hashes (12 characters) to full hashes (40 characters) by
// issuing a big "hg log" command. Possibly we should do this with parents
// too, but nothing uses them directly at the moment.
if ($logs) {
$cmd = array();
foreach (ipull($logs, 'rev') as $rev) {
$cmd[] = csprintf('--rev %s', $rev);
}
list($full) = $this->execxLocal(
'log --template %s %C --',
'{node}\\n',
implode(' ', $cmd));
$full = explode("\n", trim($full));
foreach ($logs as $key => $dict) {
$logs[$key]['rev'] = array_pop($full);
}
}
$this->localCommitInfo = $logs;
}
return $this->localCommitInfo;
}
public function getBlame($path) {
list($stdout) = $this->execxLocal(
'annotate -u -v -c --rev %s -- %s',
$this->getRelativeCommit(),
$path);
$blame = array();
foreach (explode("\n", trim($stdout)) as $line) {
if (!strlen($line)) {
continue;
}
$matches = null;
$ok = preg_match('/^\s*([^:]+?) [a-f0-9]{12}: (.*)$/', $line, $matches);
if (!$ok) {
throw new Exception("Unable to parse Mercurial blame line: {$line}");
}
$revision = $matches[2];
$author = trim($matches[1]);
$blame[] = array($author, $revision);
}
return $blame;
}
public function getWorkingCopyStatus() {
if (!isset($this->status)) {
// A reviewable revision spans multiple local commits in Mercurial, but
// there is no way to get file change status across multiple commits, so
// just take the entire diff and parse it to figure out what's changed.
$diff = $this->getFullMercurialDiff();
$parser = new ArcanistDiffParser();
$changes = $parser->parseDiff($diff);
$status_map = array();
foreach ($changes as $change) {
$flags = 0;
switch ($change->getType()) {
case ArcanistDiffChangeType::TYPE_ADD:
case ArcanistDiffChangeType::TYPE_MOVE_HERE:
case ArcanistDiffChangeType::TYPE_COPY_HERE:
$flags |= self::FLAG_ADDED;
break;
case ArcanistDiffChangeType::TYPE_CHANGE:
case ArcanistDiffChangeType::TYPE_COPY_AWAY: // Check for changes?
$flags |= self::FLAG_MODIFIED;
break;
case ArcanistDiffChangeType::TYPE_DELETE:
case ArcanistDiffChangeType::TYPE_MOVE_AWAY:
case ArcanistDiffChangeType::TYPE_MULTICOPY:
$flags |= self::FLAG_DELETED;
break;
}
$status_map[$change->getCurrentPath()] = $flags;
}
list($stdout) = $this->execxLocal('status');
$working_status = ArcanistMercurialParser::parseMercurialStatus($stdout);
foreach ($working_status as $path => $status) {
if ($status & ArcanistRepositoryAPI::FLAG_UNTRACKED) {
// If the file is untracked, don't mark it uncommitted.
continue;
}
$status |= self::FLAG_UNCOMMITTED;
if (!empty($status_map[$path])) {
$status_map[$path] |= $status;
} else {
$status_map[$path] = $status;
}
}
$this->status = $status_map;
}
return $this->status;
}
private function getDiffOptions() {
$options = array(
'--git',
// NOTE: We can't use "--color never" because that flag is provided
// by the color extension, which may or may not be enabled. Instead,
// set the color mode configuration so that color is disabled regardless
// of whether the extension is present or not.
'--config color.mode=off',
'-U'.$this->getDiffLinesOfContext(),
);
return implode(' ', $options);
}
public function getRawDiffText($path) {
$options = $this->getDiffOptions();
list($stdout) = $this->execxLocal(
'diff %C --rev %s --rev %s -- %s',
$options,
$this->getRelativeCommit(),
$this->getWorkingCopyRevision(),
$path);
return $stdout;
}
public function getFullMercurialDiff() {
$options = $this->getDiffOptions();
list($stdout) = $this->execxLocal(
'diff %C --rev %s --rev %s --',
$options,
$this->getRelativeCommit(),
$this->getWorkingCopyRevision());
return $stdout;
}
public function getOriginalFileData($path) {
return $this->getFileDataAtRevision($path, $this->getRelativeCommit());
}
public function getCurrentFileData($path) {
return $this->getFileDataAtRevision(
$path,
$this->getWorkingCopyRevision());
}
private function getFileDataAtRevision($path, $revision) {
list($err, $stdout) = $this->execManualLocal(
'cat --rev %s -- %s',
$revision,
$path);
if ($err) {
// Assume this is "no file at revision", i.e. a deleted or added file.
return null;
} else {
return $stdout;
}
}
public function getWorkingCopyRevision() {
if ($this->workingCopyRevision === null) {
// In Mercurial, "tip" means the tip of the current branch, not what's in
// the working copy. The tip may be ahead of the working copy. We need to
// use "hg summary" to figure out what is actually in the working copy.
// For instance, "hg up 4 && arc diff" should not show commits 5 and
// above.
// Without arguments, "hg id" shows the current working directory's
// commit, and "--debug" expands it to a 40-character hash.
list($stdout) = $this->execxLocal('--debug id --id');
// Even with "--id", "hg id" will print a trailing "+" after the hash
// if the working copy is dirty (has uncommitted changes). We'll
// explicitly detect this later by calling getWorkingCopyStatus(); ignore
// it for now.
$stdout = trim($stdout);
$this->workingCopyRevision = rtrim($stdout, '+');
}
return $this->workingCopyRevision;
}
public function supportsRelativeLocalCommits() {
return true;
}
public function parseRelativeLocalCommit(array $argv) {
if (count($argv) == 0) {
return;
}
if (count($argv) != 1) {
throw new ArcanistUsageException("Specify only one commit.");
}
// This does the "hg id" call we need to normalize/validate the revision
// identifier.
$this->setRelativeCommit(reset($argv));
}
public function getAllLocalChanges() {
$diff = $this->getFullMercurialDiff();
+ if (!strlen(trim($diff))) {
+ return array();
+ }
$parser = new ArcanistDiffParser();
return $parser->parseDiff($diff);
}
public function supportsLocalBranchMerge() {
return true;
}
public function performLocalBranchMerge($branch, $message) {
if ($branch) {
$err = phutil_passthru(
'(cd %s && HGPLAIN=1 hg merge --rev %s && hg commit -m %s)',
$this->getPath(),
$branch,
$message);
} else {
$err = phutil_passthru(
'(cd %s && HGPLAIN=1 hg merge && hg commit -m %s)',
$this->getPath(),
$message);
}
if ($err) {
throw new ArcanistUsageException("Merge failed!");
}
}
public function getFinalizedRevisionMessage() {
return "You may now push this commit upstream, as appropriate (e.g. with ".
"'hg push' or by printing and faxing it).";
}
public function getCommitMessageLog() {
list($stdout) = $this->execxLocal(
"log --template '{node}\\1{desc}\\0' --rev %s..%s --",
$this->getRelativeCommit(),
$this->getWorkingCopyRevision());
$map = array();
$logs = explode("\0", trim($stdout));
foreach (array_filter($logs) as $log) {
list($node, $desc) = explode("\1", $log);
$map[$node] = $desc;
}
return array_reverse($map);
}
public function loadWorkingCopyDifferentialRevisions(
ConduitClient $conduit,
array $query) {
// Try to find revisions by hash.
$hashes = array();
foreach ($this->getLocalCommitInformation() as $commit) {
$hashes[] = array('hgcm', $commit['rev']);
}
$results = $conduit->callMethodSynchronous(
'differential.query',
$query + array(
'commitHashes' => $hashes,
));
return $results;
}
}

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