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Fix an issue where text intradiff bodies may not render

Summary:
Ref T13523. In the caching layer, there's a tricky clause about filetypes that skips some body rendering behavior.

Provide file type information which at least has a better chance of representing all changes (e.g., an image file may be replaced with a text file, but this can not be represented by a single file type).

Formalize "hasSourceTextBody()", to mean the changeset parser should engage the change as source text.

Test Plan: Intradiffed text changes, saw the body render properly.

Maniphest Tasks: T13523

Differential Revision: https://secure.phabricator.com/D21210
This commit is contained in:
epriestley 2020-05-04 07:35:21 -07:00
parent dade977307
commit 17426a60f0
2 changed files with 62 additions and 15 deletions

View file

@ -592,6 +592,17 @@ final class DifferentialChangesetParser extends Phobject {
}
private function tryCacheStuff() {
$changeset = $this->getChangeset();
if (!$changeset->hasSourceTextBody()) {
// TODO: This isn't really correct (the change is not "generated"), the
// intent is just to not render a text body for Subversion directory
// changes, etc.
$this->markGenerated();
return;
}
$viewstate = $this->getViewState();
$skip_cache = false;
@ -610,19 +621,10 @@ final class DifferentialChangesetParser extends Phobject {
$skip_cache = true;
}
$changeset = $this->changeset;
if ($changeset->getFileType() != DifferentialChangeType::FILE_TEXT &&
$changeset->getFileType() != DifferentialChangeType::FILE_SYMLINK) {
$this->markGenerated();
} else {
if ($skip_cache || !$this->loadCache()) {
$this->process();
if (!$skip_cache) {
$this->saveCache();
}
if ($skip_cache || !$this->loadCache()) {
$this->process();
if (!$skip_cache) {
$this->saveCache();
}
}
}

View file

@ -32,6 +32,8 @@ final class DifferentialChangeset
private $hasNewState;
private $oldStateMetadata;
private $newStateMetadata;
private $oldFileType;
private $newFileType;
const TABLE_CACHE = 'differential_changeset_parse_cache';
@ -550,17 +552,20 @@ final class DifferentialChangeset
$left_metadata = $left->getNewStateMetadata();
$left_state = $left->hasNewState();
$shared_metadata = $left->getMetadata();
$left_type = $left->getNewFileType();
if ($right) {
$right_data = $right->makeNewFile();
$right_properties = $right->getNewProperties();
$right_metadata = $right->getNewStateMetadata();
$right_state = $right->hasNewState();
$shared_metadata = $right->getMetadata();
$right_type = $right->getNewFileType();
} else {
$right_data = $left->makeOldFile();
$right_properties = $left->getOldProperties();
$right_metadata = $left->getOldStateMetadata();
$right_state = $left->hasOldState();
$right_type = $left->getOldFileType();
}
$engine = new PhabricatorDifferenceEngine();
@ -576,7 +581,6 @@ final class DifferentialChangeset
->setFilename($right->getFilename());
// TODO: Change type?
// TODO: File type?
// TODO: Away paths?
// TODO: View state key?
@ -589,7 +593,9 @@ final class DifferentialChangeset
->setOldStateMetadata($left_metadata)
->setNewStateMetadata($right_metadata)
->setHasOldState($left_state)
->setHasNewState($right_state);
->setHasNewState($right_state)
->setOldFileType($left_type)
->setNewFileType($right_type);
// NOTE: Some metadata is not stored statefully, like the "generated"
// flag. For now, use the rightmost "new state" metadata to fill in these
@ -602,6 +608,45 @@ final class DifferentialChangeset
return $comparison;
}
public function setNewFileType($new_file_type) {
$this->newFileType = $new_file_type;
return $this;
}
public function getNewFileType() {
if ($this->newFileType !== null) {
return $this->newFileType;
}
return $this->getFiletype();
}
public function setOldFileType($old_file_type) {
$this->oldFileType = $old_file_type;
return $this;
}
public function getOldFileType() {
if ($this->oldFileType !== null) {
return $this->oldFileType;
}
return $this->getFileType();
}
public function hasSourceTextBody() {
$type_map = array(
DifferentialChangeType::FILE_TEXT => true,
DifferentialChangeType::FILE_SYMLINK => true,
);
$old_body = isset($type_map[$this->getOldFileType()]);
$new_body = isset($type_map[$this->getNewFileType()]);
return ($old_body || $new_body);
}
public function getNewStateMetadata() {
return $this->getMetadataWithPrefix('new:');
}