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Code Issues Releases Wiki Activity

Arcanist: Apply symlink patches correctly

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Summary:
When an arcbundle includes a symlink, we fail to apply it correctly
when applying to a subversion working copy.

Test Plan:
created a diff which added a symlink, removed it locally, bundled
and applied the patch, got a good symlink out

Reviewed By: aran
Reviewers: aran
CC: epriestley, aran
Differential Revision: 63
This commit is contained in:
epriestley 2011-03-07 21:33:36 -08:00
parent 12aa487790
commit 692d2a8b6f
2 changed files with 40 additions and 0 deletions
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13
src/parser/diff/change/ArcanistDiffChange.php
View file

@ -225,5 +225,18 @@ class ArcanistDiffChange {
return implode("\n", $summary);
}
public function getSymlinkTarget() {
if ($this->getFileType() != ArcanistDiffChangeType::FILE_SYMLINK) {
throw new Exception("Not a symlink!");
}
$hunks = $this->getHunks();
$hunk = reset($hunks);
$corpus = $hunk->getCorpus();
$match = null;
if (!preg_match('/^\+(?:link )?(.*)$/m', $corpus, $match)) {
throw new Exception("Failed to extract link target!");
}
return trim($match[1]);
}
}

27
src/workflow/patch/ArcanistPatchWorkflow.php
View file

@ -177,11 +177,21 @@ EOTEXT
$patches = array();
$propset = array();
$adds = array();
$symlinks = array();
$changes = $bundle->getChanges();
foreach ($changes as $change) {
$type = $change->getType();
$should_patch = true;
$filetype = $change->getFileType();
switch ($filetype) {
case ArcanistDiffChangeType::FILE_SYMLINK:
$should_patch = false;
$symlinks[] = $change;
break;
}
switch ($type) {
case ArcanistDiffChangeType::TYPE_MOVE_AWAY:
case ArcanistDiffChangeType::TYPE_MULTICOPY:
@ -270,6 +280,23 @@ EOTEXT
$delete));
}
foreach ($symlinks as $symlink) {
$link_target = $symlink->getSymlinkTarget();
$link_path = $symlink->getCurrentPath();
switch ($symlink->getType()) {
case ArcanistDiffChangeType::TYPE_ADD:
case ArcanistDiffChangeType::TYPE_MODIFY:
case ArcanistDiffChangeType::TYPE_MOVE_HERE:
case ArcanistDiffChangeType::TYPE_COPY_HERE:
execx(
'(cd %s && ln -sf %s %s)',
$repository_api->getPath(),
$link_target,
$link_path);
break;
}
}
foreach ($patches as $path => $patch) {
$tmp = new TempFile();
Filesystem::writeFile($tmp, $patch);