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When doing partial subdirectory parses in Subversion, stub out foreign commit

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Summary:
See T325. We tentatively support doing partial subdirectory parses in
Phabricator for Subversion, so you can elect to import only "trunk/local/" or
similar. We do this by importing only some of the commits (those commits which
affected that directory).

In Subversion, you can also "svn cp
svn+ssh://example.com/svnroot/trunk/foreign/example.c@13 local.c". This means
that commits which reference "trunk/local/" may themselves reference foreign
commits.

Currently, we break in this case and can't find the commit reference. Instead,
generate a foreign commit stub so we can at least point at some reasonable
object.

Test Plan: Successfully imported trunk/a/ of the test repo in T325 without
errors. Verified commit 3 in that repo is imported as a foreign stub.

Reviewers: jungejason, nh, tuomaspelkonen, aran

Reviewed By: jungejason

CC: aran, jungejason, epriestley

Differential Revision: 892
This commit is contained in:
epriestley 2011-09-04 10:34:53 -07:00
parent ed508247ba
commit ae045a9cf2
2 changed files with 48 additions and 1 deletions
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48
src/applications/repository/worker/commitchangeparser/svn/PhabricatorRepositorySvnCommitChangeParserWorker.php
View file

@ -502,7 +502,53 @@ class PhabricatorRepositorySvnCommitChangeParserWorker
$repository->getID(),
$commits);
return ipull($commit_data, 'id', 'commitIdentifier');
$commit_map = ipull($commit_data, 'id', 'commitIdentifier');
$need = array();
foreach ($commits as $commit) {
if (empty($commit_map[$commit])) {
$need[] = $commit;
}
}
// If we are parsing a Subversion repository and have been configured to
// import only some subdirectory of it, we may find commits which reference
// other foreign commits outside of the directory (for instance, because of
// a move or copy). Rather than trying to execute full parses on them, just
// create stub commits and identify the stubs as foreign commits.
if ($need) {
$subpath = $repository->getDetail('svn-subpath');
if (!$subpath) {
$commits = implode(', ', $need);
throw new Exception(
"Missing commits ({$need}) in a SVN repository which is not ".
"configured for subdirectory-only parsing!");
}
foreach ($need as $foreign_commit) {
$commit = new PhabricatorRepositoryCommit();
$commit->setRepositoryID($repository->getID());
$commit->setCommitIdentifier($foreign_commit);
$commit->setEpoch(0);
$commit->save();
$data = new PhabricatorRepositoryCommitData();
$data->setCommitID($commit->getID());
$data->setAuthorName('');
$data->setCommitMessage('');
$data->setCommitDetails(
array(
'foreign-svn-stub' => true,
// Denormalize this to make it easier to debug cases where someone
// did half a parse and then changed the subdirectory or something
// like that.
'svn-subpath' => $subpath,
));
$data->save();
$commit_map[$foreign_commit] = $commit->getID();
}
}
return $commit_map;
}
private function lookupPathFileType(

1
src/applications/repository/worker/commitchangeparser/svn/__init__.php
View file

@ -8,6 +8,7 @@
phutil_require_module('phabricator', 'applications/differential/constants/changetype');
phutil_require_module('phabricator', 'applications/repository/storage/commit');
phutil_require_module('phabricator', 'applications/repository/storage/commitdata');
phutil_require_module('phabricator', 'applications/repository/storage/repository');
phutil_require_module('phabricator', 'applications/repository/worker/commitchangeparser/base');
phutil_require_module('phabricator', 'storage/qsprintf');