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Code Issues Releases Wiki Activity

Add a "--raw" flag to "arc diff"

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Summary:
Some Mercurial users at Dropbox have very specific diff preparation
needs. Allow "arc" to read an arbitrary diff off stdin. This disables most
features.

Test Plan:
Ran "git diff HEAD | arc diff --raw", "git show | arc diff --raw",
"hg diff --rev 8 | arc diff --raw".

Reviewers: btrahan, jungejason, Makinde

Reviewed By: btrahan

CC: aran, btrahan

Maniphest Tasks: T617

Differential Revision: https://secure.phabricator.com/D1323
This commit is contained in:
epriestley 2012-01-05 13:36:24 -08:00
parent 560b339ad3
commit c49e9863d4
1 changed files with 155 additions and 53 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

208
src/workflow/diff/ArcanistDiffWorkflow.php
View file

@ -53,7 +53,7 @@ EOTEXT
);
}
public function requiresWorkingCopy() {
return true;
return !$this->isRawDiffSource();
}
public function requiresConduit() {
@ -65,7 +65,7 @@ EOTEXT
}
public function requiresRepositoryAPI() {
return true;
return !$this->isRawDiffSource();
}
public function getDiffID() {
@ -105,6 +105,39 @@ EOTEXT
"When updating a revision under git, edit revision information ".
"before updating.",
),
'raw' => array(
'help' =>
"Read diff from stdin, not from the working copy. This disables ".
"many Arcanist/Phabricator features which depend on having access ".
"to the working copy.",
'conflicts' => array(
'less-context' => null,
'apply-patches' => '--raw disables lint.',
'never-apply-patches' => '--raw disables lint.',
'advice' => '--raw disables lint.',
'lintall' => '--raw disables lint.',
'create' => '--raw and --create both need stdin. '.
'Use --raw-command.',
'edit' => '--raw and --edit both need stdin. '.
'Use --raw-command.',
'raw-command' => null,
),
),
'raw-command' => array(
'param' => 'command',
'help' =>
"Generate diff by executing a specified command, not from the ".
"working copy. This disables many Arcanist/Phabricator features ".
"which depend on having access to the working copy.",
'conflicts' => array(
'less-context' => null,
'apply-patches' => '--raw-command disables lint.',
'never-apply-patches' => '--raw-command disables lint.',
'advice' => '--raw-command disables lint.',
'lintall' => '--raw-command disables lint.',
),
),
'create' => array(
'help' => "(EXPERIMENTAL) Create a new revision.",
'conflicts' => array(
@ -130,7 +163,7 @@ EOTEXT
'only' => array(
'help' =>
"Only generate a diff, without running lint, unit tests, or other ".
"auxiliary steps.",
"auxiliary steps. See also --preview.",
'conflicts' => array(
'preview' => null,
'message' => '--only does not affect revisions.',
@ -217,11 +250,17 @@ EOTEXT
);
}
public function run() {
$repository_api = $this->getRepositoryAPI();
public function isRawDiffSource() {
return $this->getArgument('raw') || $this->getArgument('raw-command');
}
if ($this->getArgument('less-context')) {
$repository_api->setDiffLinesOfContext(3);
public function run() {
if ($this->requiresRepositoryAPI()) {
$repository_api = $this->getRepositoryAPI();
if ($this->getArgument('less-context')) {
$repository_api->setDiffLinesOfContext(3);
}
}
$output_json = $this->getArgument('json');
@ -232,7 +271,10 @@ EOTEXT
}
$conduit = $this->getConduit();
$this->requireCleanWorkingCopy();
if ($this->requiresWorkingCopy()) {
$this->requireCleanWorkingCopy();
}
$paths = $this->generateAffectedPaths();
@ -249,13 +291,8 @@ EOTEXT
"There are no changes to generate a diff from!");
}
$change_list = array();
foreach ($changes as $change) {
$change_list[] = $change->toDictionary();
}
$diff_spec = array(
'changes' => $change_list,
'changes' => mpull($changes, 'toDictionary'),
'lintStatus' => $this->getLintStatus($lint_result),
'unitStatus' => $this->getUnitStatus($unit_result),
) + $this->buildDiffSpecification();
@ -386,8 +423,14 @@ EOTEXT
'revision_id' => $result['revisionid'],
));
echo "Updating commit message...\n";
$repository_api->amendGitHeadCommit($revised_message);
if ($this->requiresRepositoryAPI()) {
$repository_api = $this->getRepositoryAPI();
if (($repository_api instanceof ArcanistGitAPI) &&
!$this->isHistoryImmutable()) {
echo "Updating commit message...\n";
$repository_api->amendGitHeadCommit($revised_message);
}
}
echo "Created a new Differential revision:\n";
}
@ -403,8 +446,6 @@ EOTEXT
echo ' '.$change->renderTextSummary()."\n";
}
$this->diffID = $diff_info['diffid'];
if ($output_json) {
ob_get_clean();
}
@ -418,6 +459,10 @@ EOTEXT
return false;
}
if ($this->isRawDiffSource()) {
return true;
}
$repository_api = $this->getRepositoryAPI();
if ($repository_api instanceof ArcanistSubversionAPI) {
return true;
@ -436,6 +481,10 @@ EOTEXT
}
private function generateAffectedPaths() {
if ($this->isRawDiffSource()) {
return array();
}
$repository_api = $this->getRepositoryAPI();
if ($repository_api instanceof ArcanistSubversionAPI) {
$file_list = new FileList($this->getArgument('paths', array()));
@ -495,9 +544,32 @@ EOTEXT
protected function generateChanges() {
$parser = new ArcanistDiffParser();
$is_raw = $this->isRawDiffSource();
if ($is_raw) {
if ($this->getArgument('raw')) {
file_put_contents('php://stderr', "Reading diff from stdin...\n");
$raw_diff = file_get_contents('php://stdin');
} else if ($this->getArgument('raw-command')) {
list($raw_diff) = execx($this->getArgument('raw-command'));
} else {
throw new Exception("Unknown raw diff source.");
}
$changes = $parser->parseDiff($raw_diff);
foreach ($changes as $key => $change) {
// Remove "message" changes, e.g. from "git show".
if ($change->getType() == ArcanistDiffChangeType::TYPE_MESSAGE) {
unset($changes[$key]);
}
}
return $changes;
}
$repository_api = $this->getRepositoryAPI();
$parser = new ArcanistDiffParser();
if ($repository_api instanceof ArcanistSubversionAPI) {
$paths = $this->generateAffectedPaths();
$this->primeSubversionWorkingCopyData($paths);
@ -864,7 +936,8 @@ EOTEXT
*/
private function runLint($paths) {
if ($this->getArgument('nolint') ||
$this->getArgument('only')) {
$this->getArgument('only') ||
$this->isRawDiffSource()) {
return ArcanistLintWorkflow::RESULT_SKIP;
}
@ -928,7 +1001,8 @@ EOTEXT
*/
private function runUnit($paths) {
if ($this->getArgument('nounit') ||
$this->getArgument('only')) {
$this->getArgument('only') ||
$this->isRawDiffSource()) {
return ArcanistUnitWorkflow::RESULT_SKIP;
}
@ -987,6 +1061,7 @@ EOTEXT
*/
private function buildCommitMessage() {
$is_create = $this->getArgument('create');
$is_raw = $this->isRawDiffSource();
$message = null;
if ($is_create) {
@ -996,7 +1071,13 @@ EOTEXT
} else {
return $this->getCommitMessageFromUser();
}
} else if (!$this->shouldOnlyCreateDiff()) {
}
if ($is_raw) {
return null;
}
if (!$this->shouldOnlyCreateDiff()) {
return $this->getGitCommitMessage();
}
@ -1098,9 +1179,11 @@ EOTEXT
// $ arc diff
//
// ...you shouldn't have to retype the update message.
$repository_api = $this->getRepositoryAPI();
if ($repository_api instanceof ArcanistGitAPI) {
$comments = $this->getGitUpdateMessage();
if ($this->requiresRepositoryAPI()) {
$repository_api = $this->getRepositoryAPI();
if ($repository_api instanceof ArcanistGitAPI) {
$comments = $this->getGitUpdateMessage();
}
}
$template =
@ -1275,47 +1358,62 @@ EOTEXT
*/
private function buildDiffSpecification() {
$repository_api = $this->getRepositoryAPI();
$working_copy = $this->getWorkingCopy();
$base_revision = $repository_api->getSourceControlBaseRevision();
$base_path = $repository_api->getSourceControlPath();
$vcs = $repository_api->getSourceControlSystemName();
$base_revision = null;
$base_path = null;
$vcs = null;
$repo_uuid = null;
$parent = null;
if ($repository_api instanceof ArcanistGitAPI) {
$info = $this->getGitParentLogInfo();
if ($info['parent']) {
$parent = $info['parent'];
$source_path = null;
$branch = null;
if ($this->requiresRepositoryAPI()) {
$repository_api = $this->getRepositoryAPI();
$base_revision = $repository_api->getSourceControlBaseRevision();
$base_path = $repository_api->getSourceControlPath();
$vcs = $repository_api->getSourceControlSystemName();
$source_path = $repository_api->getPath();
$branch = $repository_api->getBranchName();
if ($repository_api instanceof ArcanistGitAPI) {
$info = $this->getGitParentLogInfo();
if ($info['parent']) {
$parent = $info['parent'];
}
if ($info['base_revision']) {
$base_revision = $info['base_revision'];
}
if ($info['base_path']) {
$base_path = $info['base_path'];
}
if ($info['uuid']) {
$repo_uuid = $info['uuid'];
}
} else if ($repository_api instanceof ArcanistSubversionAPI) {
$repo_uuid = $repository_api->getRepositorySVNUUID();
} else if ($repository_api instanceof ArcanistMercurialAPI) {
// TODO: Provide this information.
} else {
throw new Exception("Unsupported repository API!");
}
if ($info['base_revision']) {
$base_revision = $info['base_revision'];
}
if ($info['base_path']) {
$base_path = $info['base_path'];
}
if ($info['uuid']) {
$repo_uuid = $info['uuid'];
}
} else if ($repository_api instanceof ArcanistSubversionAPI) {
$repo_uuid = $repository_api->getRepositorySVNUUID();
} else if ($repository_api instanceof ArcanistMercurialAPI) {
// TODO: Provide this information.
} else {
throw new Exception("Unsupported repository API!");
}
$project_id = null;
if ($this->requiresWorkingCopy()) {
$project_id = $this->getWorkingCopy()->getProjectID();
}
return array(
'sourceMachine' => php_uname('n'),
'sourcePath' => $repository_api->getPath(),
'branch' => $repository_api->getBranchName(),
'sourcePath' => $source_path,
'branch' => $branch,
'sourceControlSystem' => $vcs,
'sourceControlPath' => $base_path,
'sourceControlBaseRevision' => $base_revision,
'parentRevisionID' => $parent,
'repositoryUUID' => $repo_uuid,
'creationMethod' => 'arc',
'arcanistProject' => $working_copy->getProjectID(),
'arcanistProject' => $project_id,
'authorPHID' => $this->getUserPHID(),
);
}
@ -1384,6 +1482,10 @@ EOTEXT
* @task diffprop
*/
private function updateLocalDiffProperty() {
if ($this->isRawDiffSource()) {
return;
}
$local_info = $this->getRepositoryAPI()->getLocalCommitInformation();
if (!$local_info) {
return;