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Code Issues Releases Wiki Activity

Add an "--auto" flag to arc diff to activate heuristics

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Summary:
For some workflows (all Mercurial, all SVN, some git) I eventually want arc to
pick between "arc --create" and "arc --update" automatically.

"arc which" laid the groundwork for this. For now, implement it as an optional
flag because I think there are still some rough edges on this pathway (for
example, handling of commit messages when errors happen).

When 'arc diff --auto' is invoked, guess whether the user meant --create or
--update.

Test Plan: Created this revision with 'arc diff --auto'.

Reviewers: Makinde, btrahan

Reviewed By: btrahan

CC: aran, epriestley

Maniphest Tasks: T614

Differential Revision: https://secure.phabricator.com/D1648
This commit is contained in:
epriestley 2012-02-20 12:51:01 -08:00
parent 298ed9cda5
commit 506e795fda
1 changed files with 57 additions and 20 deletions
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77
src/workflow/diff/ArcanistDiffWorkflow.php
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@ -165,6 +165,13 @@ EOTEXT
'param' => 'revision_id',
'help' => "Always update a specific revision.",
),
'auto' => array(
'help' => "(Unstable!) Heuristically select --create or --update. ".
"This may become the default behvaior of arc.",
'conflicts' => array(
'raw',
),
),
'nounit' => array(
'help' =>
"Do not run unit tests.",
@ -277,26 +284,7 @@ EOTEXT
}
public function run() {
if ($this->requiresRepositoryAPI()) {
$repository_api = $this->getRepositoryAPI();
if ($this->getArgument('less-context')) {
$repository_api->setDiffLinesOfContext(3);
}
}
$output_json = $this->getArgument('json');
if ($output_json) {
// TODO: We should move this to a higher-level and put an indirection
// layer between echoing stuff and stdout.
ob_start();
}
$conduit = $this->getConduit();
if ($this->requiresWorkingCopy()) {
$this->requireCleanWorkingCopy();
}
$this->runDiffSetupBasics();
$paths = $this->generateAffectedPaths();
@ -319,6 +307,7 @@ EOTEXT
'unitStatus' => $this->getUnitStatus($unit_result),
) + $this->buildDiffSpecification();
$conduit = $this->getConduit();
$diff_info = $conduit->callMethodSynchronous(
'differential.creatediff',
$diff_spec);
@ -333,6 +322,8 @@ EOTEXT
$this->updateUnitDiffProperty();
$this->updateLocalDiffProperty();
$output_json = $this->getArgument('json');
if ($this->shouldOnlyCreateDiff()) {
if (!$output_json) {
echo phutil_console_format(
@ -475,6 +466,26 @@ EOTEXT
return 0;
}
private function runDiffSetupBasics() {
if ($this->requiresRepositoryAPI()) {
$repository_api = $this->getRepositoryAPI();
if ($this->getArgument('less-context')) {
$repository_api->setDiffLinesOfContext(3);
}
}
$output_json = $this->getArgument('json');
if ($output_json) {
// TODO: We should move this to a higher-level and put an indirection
// layer between echoing stuff and stdout.
ob_start();
}
if ($this->requiresWorkingCopy()) {
$this->requireCleanWorkingCopy();
}
}
protected function shouldOnlyCreateDiff() {
if ($this->getArgument('create')) {
@ -485,6 +496,10 @@ EOTEXT
return false;
}
if ($this->getArgument('auto')) {
return false;
}
if ($this->getArgument('use-commit-message')) {
return false;
}
@ -1096,6 +1111,7 @@ EOTEXT
private function buildCommitMessage() {
$is_create = $this->getArgument('create');
$is_update = $this->getArgument('update');
$is_auto = $this->getArgument('auto');
$is_raw = $this->isRawDiffSource();
$is_message = $this->getArgument('use-commit-message');
@ -1103,6 +1119,27 @@ EOTEXT
return $this->getCommitMessageFromCommit($is_message);
}
if ($is_auto) {
$repository_api = $this->getRepositoryAPI();
$revisions = $repository_api->loadWorkingCopyDifferentialRevisions(
$this->getConduit(),
array(
'authors' => array($this->getUserPHID()),
));
if (!$revisions) {
$is_create = true;
} else if (count($revisions) == 1) {
$revision = head($revisions);
$is_update = $revision['id'];
} else {
throw new ArcanistUsageException(
"There are several revisions in the specified commit range:\n\n".
$this->renderRevisionList($revisions)."\n".
"Use '--update' to choose one, or '--create' to create a new ".
"revision.");
}
}
$message = null;
if ($is_create) {
$message_file = $this->getArgument('message-file');