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ArcanistSubversionWorkingCopy.php
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ArcanistSubversionWorkingCopy.php
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<?php
final class ArcanistSubversionWorkingCopy
extends ArcanistWorkingCopy {
public function getProjectConfigurationFilePath() {
// In Subversion, we allow ".arcconfig" to appear at any level of the
// filesystem between the working directory and the working copy root.
// We allow this because Subversion repositories are hierarchical and
// may have a "projects/xyz/" directory which is meaningfully an entirely
// different project from "projects/abc/".
// You can checkout "projects/" and have the ".svn/" directory appear
// there, then change into "abc/" and expect "arc" to operate within the
// context of the "abc/" project.
$paths = Filesystem::walkToRoot($this->getWorkingDirectory());
$root = $this->getPath();
foreach ($paths as $path) {
if (!Filesystem::isDescendant($path, $root)) {
break;
}
$candidate = $path.'/.arcconfig';
if (Filesystem::pathExists($candidate)) {
return $candidate;
}
}
return parent::getProjectConfigurationFilePath();
}
public function getMetadataDirectory() {
return $this->getPath('.svn');
}
protected function newWorkingCopyFromDirectories(
$working_directory,
$ancestor_directory) {
if (!Filesystem::pathExists($ancestor_directory.'/.svn')) {
return null;
}
return new self();
}
protected function selectFromNestedWorkingCopies(array $candidates) {
// To select the best working copy in Subversion, we first walk up the
// tree looking for a working copy with an ".arcconfig" file. If we find
// one, this anchors us.
foreach (array_reverse($candidates) as $candidate) {
$arcconfig = $candidate->getPath('.arcconfig');
if (Filesystem::pathExists($arcconfig)) {
return $candidate;
}
}
// If we didn't find one, we select the outermost working copy. This is
// because older versions of Subversion (prior to 1.7) put a ".svn" file
// in every directory, and all versions of Subversion allow you to check
// out any subdirectory of the project as a working copy.
// We could possibly refine this by testing if the working copy was made
// with a recent version of Subversion and picking the deepest working copy
// if it was, similar to Git and Mercurial.
return head($candidates);
}
protected function newRepositoryAPI() {
return new ArcanistSubversionAPI($this->getPath());
}
}

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Content licensed under Creative Commons Attribution-ShareAlike 4.0 (CC-BY-SA) unless otherwise noted; code licensed under Apache 2.0 or other open source licenses. · CC BY-SA 4.0 · Apache 2.0