Differential D21397 Diff 50933 src/land/engine/ArcanistMercurialLandEngine.php

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src/land/engine/ArcanistMercurialLandEngine.php

Show First 20 Lines • Show All 762 Lines • ▼ Show 20 Lines	final class ArcanistMercurialLandEngine

protected function executeMerge(ArcanistLandCommitSet $set, $into_commit) {		protected function executeMerge(ArcanistLandCommitSet $set, $into_commit) {
$api = $this->getRepositoryAPI();		$api = $this->getRepositoryAPI();

if ($this->getStrategy() !== 'squash') {		if ($this->getStrategy() !== 'squash') {
throw new Exception(pht('TODO: Support merge strategies'));		throw new Exception(pht('TODO: Support merge strategies'));
}		}

		// See PHI1808. When we "hg rebase ..." below, Mercurial will move
		// bookmarks which point at the old commit range to point at the rebased
		// commit. This is somewhat surprising and we don't want this to happen:
		// save the old bookmark state so we can put the bookmarks back before
		// we continue.

		$bookmark_refs = $api->newMarkerRefQuery()
		->withMarkerTypes(
		array(
		ArcanistMarkerRef::TYPE_BOOKMARK,
		))
		->execute();

// TODO: Add a Mercurial version check requiring 2.1.1 or newer.		// TODO: Add a Mercurial version check requiring 2.1.1 or newer.

$api->execxLocal(		$api->execxLocal(
'update --rev %s',		'update --rev %s',
hgsprintf('%s', $into_commit));		hgsprintf('%s', $into_commit));

$commits = $set->getCommits();		$commits = $set->getCommits();

Show All 33 Lines	try {
$future->resolvex();		$future->resolvex();

} catch (CommandException $ex) {		} catch (CommandException $ex) {
// TODO		// TODO
// $api->execManualLocal('rebase --abort');		// $api->execManualLocal('rebase --abort');
throw $ex;		throw $ex;
}		}

		// Find all the bookmarks which pointed at commits we just rebased, and
		// put them back the way they were before rebasing moved them. We aren't
		// deleting the old commits yet and don't want to move the bookmarks.

		$obsolete_map = array();
		foreach ($set->getCommits() as $commit) {
		$obsolete_map[$commit->getHash()] = true;
		}

		foreach ($bookmark_refs as $bookmark_ref) {
		$bookmark_hash = $bookmark_ref->getCommitHash();

		if (!isset($obsolete_map[$bookmark_hash])) {
		continue;
		}

		$api->execxLocal(
		'bookmark --force --rev %s -- %s',
		$bookmark_hash,
		$bookmark_ref->getName());
		}

list($stdout) = $api->execxLocal('log --rev tip --template %s', '{node}');		list($stdout) = $api->execxLocal('log --rev tip --template %s', '{node}');
$new_cursor = trim($stdout);		$new_cursor = trim($stdout);

return $new_cursor;		return $new_cursor;
}		}

protected function pushChange($into_commit) {		protected function pushChange($into_commit) {
$api = $this->getRepositoryAPI();		$api = $this->getRepositoryAPI();
▲ Show 20 Lines • Show All 170 Lines • ▼ Show 20 Lines	protected function pruneBranches(array $sets) {
$log = $this->getLogEngine();		$log = $this->getLogEngine();

// This has no effect when we're executing a merge strategy.		// This has no effect when we're executing a merge strategy.
if (!$this->isSquashStrategy()) {		if (!$this->isSquashStrategy()) {
return;		return;
}		}

$revs = array();		$revs = array();
		$obsolete_map = array();

// We've rebased all descendants already, so we can safely delete all		// We've rebased all descendants already, so we can safely delete all
// of these commits.		// of these commits.

$sets = array_reverse($sets);		$sets = array_reverse($sets);
foreach ($sets as $set) {		foreach ($sets as $set) {
$commits = $set->getCommits();		$commits = $set->getCommits();

$min_commit = head($commits)->getHash();		$min_commit = head($commits)->getHash();
$max_commit = last($commits)->getHash();		$max_commit = last($commits)->getHash();

$revs[] = hgsprintf('%s::%s', $min_commit, $max_commit);		$revs[] = hgsprintf('%s::%s', $min_commit, $max_commit);

		foreach ($commits as $commit) {
		$obsolete_map[$commit->getHash()] = true;
		}
}		}

$rev_set = '('.implode(') or (', $revs).')';		$rev_set = '('.implode(') or (', $revs).')';

// See PHI45. If we have "hg evolve", get rid of old commits using		// See PHI45. If we have "hg evolve", get rid of old commits using
// "hg prune" instead of "hg strip".		// "hg prune" instead of "hg strip".

// If we "hg strip" a commit which has an obsolete predecessor, it		// If we "hg strip" a commit which has an obsolete predecessor, it
// removes the obsolescence marker and revives the predecessor. This is		// removes the obsolescence marker and revives the predecessor. This is
// not desirable: we want to destroy all predecessors of these commits.		// not desirable: we want to destroy all predecessors of these commits.

		// See PHI1808. Both "hg strip" and "hg prune" move bookmarks backwards in
		// history rather than destroying them. Instead, we want to destroy any
		// bookmarks which point at these now-obsoleted commits.

		$bookmark_refs = $api->newMarkerRefQuery()
		->withMarkerTypes(
		array(
		ArcanistMarkerRef::TYPE_BOOKMARK,
		))
		->execute();
		foreach ($bookmark_refs as $bookmark_ref) {
		$bookmark_hash = $bookmark_ref->getCommitHash();
		$bookmark_name = $bookmark_ref->getName();

		if (!isset($obsolete_map[$bookmark_hash])) {
		continue;
		}

		$log->writeStatus(
		pht('CLEANUP'),
		pht('Deleting bookmark "%s".', $bookmark_name));

		$api->execxLocal(
		'bookmark --delete -- %s',
		$bookmark_name);
		}

if ($api->getMercurialFeature('evolve')) {		if ($api->getMercurialFeature('evolve')) {
$api->execxLocal(		$api->execxLocal(
'prune --rev %s',		'prune --rev %s',
$rev_set);		$rev_set);
} else {		} else {
$api->execxLocal(		$api->execxLocal(
'--config extensions.strip= strip --rev %s',		'--config extensions.strip= strip --rev %s',
$rev_set);		$rev_set);
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