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In arc diff, try to guess where a change should land

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Summary:
Ref T9952. Ref T3462. My primary goal is to improve prefilling of the "Onto Branch:" field in the "Land Revision" dialog.

When uploading a diff with `arc diff`, add a property with some information about which branch to target. In particular:

  - If the local branch tracks an upstream branch (or tracks something which tracks something which tracks the upstream), target that.
  - If not, but "arc.land.onto.default" is set, target that.

This doesn't try to guess in other cases, since they're more involved. I'll add some context about this in T3462.

I don't //love// using "diff properties" for this, but it doesn't make cleaning them up any harder since we already use it for other stuff which isn't going away (lint/unit excuses).

Test Plan:
  - Added some `var_dump()` and used `arc diff --only` to generate diffs.
  - Saw upstream tracking and config-based rules generate reasonable values and submit them.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T3462, T9952

Differential Revision: https://secure.phabricator.com/D14736
This commit is contained in:
epriestley 2015-12-10 14:33:33 -08:00
parent d0e73bb656
commit dae2f0073f
1 changed files with 49 additions and 0 deletions
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49
src/workflow/ArcanistDiffWorkflow.php
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@ -531,6 +531,7 @@ EOTEXT
$this->updateLintDiffProperty();
$this->updateUnitDiffProperty();
$this->updateLocalDiffProperty();
$this->updateOntoDiffProperty();
$this->resolveDiffPropertyUpdates();
$output_json = $this->getArgument('json');
@ -2406,6 +2407,54 @@ EOTEXT
$this->updateDiffProperty('local:commits', json_encode($local_info));
}
private function updateOntoDiffProperty() {
$onto = $this->getDiffOntoTargets();
if (!$onto) {
return;
}
$this->updateDiffProperty('arc:onto', json_encode($onto));
}
private function getDiffOntoTargets() {
$api = $this->getRepositoryAPI();
if (!($api instanceof ArcanistGitAPI)) {
return null;
}
// If we track an upstream branch either directly or indirectly, use that.
$branch = $api->getBranchName();
if (strlen($branch)) {
$upstream_path = $api->getPathToUpstream($branch);
$remote_branch = $upstream_path->getRemoteBranchName();
if (strlen($remote_branch)) {
return array(
array(
'type' => 'branch',
'name' => $remote_branch,
'kind' => 'upstream',
),
);
}
}
// If "arc.land.onto.default" is configured, use that.
$config_key = 'arc.land.onto.default';
$onto = $this->getConfigFromAnySource($config_key);
if (strlen($onto)) {
return array(
array(
'type' => 'branch',
'name' => $onto,
'kind' => 'arc.land.onto.default',
),
);
}
return null;
}
/**
* Update an arbitrary diff property.