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D21680.id51627.diff
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diff --git a/src/land/engine/ArcanistMercurialLandEngine.php b/src/land/engine/ArcanistMercurialLandEngine.php
--- a/src/land/engine/ArcanistMercurialLandEngine.php
+++ b/src/land/engine/ArcanistMercurialLandEngine.php
@@ -6,6 +6,8 @@
private $ontoBranchMarker;
private $ontoMarkers;
+ private $rebasedActiveCommit;
+
protected function getDefaultSymbols() {
$api = $this->getRepositoryAPI();
$log = $this->getLogEngine();
@@ -698,7 +700,7 @@
$commit_map = array();
foreach ($symbols as $symbol) {
$symbol_commit = $symbol->getCommit();
- $template = '{node}-{parents}-';
+ $template = '{node}-{parents % \'{node} \'}-{desc|firstline}\\n';
if ($into_commit === null) {
list($commits) = $api->execxLocal(
@@ -812,7 +814,7 @@
$argv[] = hgsprintf('%s', $into_commit);
$argv[] = '--rev';
- $argv[] = hgsprintf('%s..%s', $min_commit, $max_commit);
+ $argv[] = hgsprintf('%s..%s', $max_commit, $min_commit);
$argv[] = '--logfile';
$argv[] = '-';
@@ -825,7 +827,8 @@
$future->resolvex();
} catch (CommandException $ex) {
- // TODO
+ // Aborting the rebase should restore the same state prior to running the
+ // rebase command.
// $api->execManualLocal('rebase --abort');
throw $ex;
}
@@ -855,13 +858,21 @@
list($stdout) = $api->execxLocal('log --rev tip --template %s', '{node}');
$new_cursor = trim($stdout);
+ // If any of the commits that were rebased was the active commit before the
+ // workflow started, track the new commit so it can be used as the working
+ // directory after the land has succeeded.
+ if (isset($obsolete_map[$this->getLocalState()->getLocalCommit()])) {
+ $this->rebasedActiveCommit = $new_cursor;
+ }
+
return $new_cursor;
}
protected function pushChange($into_commit) {
$api = $this->getRepositoryAPI();
- list($head, $body, $tail) = $this->newPushCommands($into_commit);
+ list($head, $body, $tail_pass, $tail_fail) = $this->newPushCommands(
+ $into_commit);
foreach ($head as $command) {
$api->execxLocal('%Ls', $command);
@@ -876,10 +887,20 @@
'Push failed! Fix the error and run "arc land" again.'));
}
}
- } finally {
- foreach ($tail as $command) {
+
+ foreach ($tail_pass as $command) {
+ $api->execxLocal('%Ls', $command);
+ }
+ } catch (Exception $ex) {
+ foreach ($tail_fail as $command) {
$api->execxLocal('%Ls', $command);
}
+ throw $ex;
+ } catch (Throwable $ex) {
+ foreach ($tail_fail as $command) {
+ $api->execxLocal('%Ls', $command);
+ }
+ throw $ex;
}
}
@@ -888,7 +909,8 @@
$head_commands = array();
$body_commands = array();
- $tail_commands = array();
+ $tail_pass_commands = array();
+ $tail_fail_commands = array();
$bookmarks = array();
foreach ($this->ontoMarkers as $onto_marker) {
@@ -902,7 +924,8 @@
// to the merge commit. (There doesn't seem to be any way to specify
// "push commit X as bookmark Y" in Mercurial.)
- $restore = array();
+ $delete_bookmarks = array();
+ $restore_bookmarks = array();
if ($bookmarks) {
$markers = $api->newMarkerRefQuery()
->withNames(mpull($bookmarks, 'getName'))
@@ -917,6 +940,7 @@
$new_position = $into_commit;
if ($old_position === $new_position) {
+ $delete_bookmarks[] = $bookmark_name;
continue;
}
@@ -934,7 +958,7 @@
hgsprintf('%s', $new_position),
$bookmark_name);
- $restore[$bookmark_name] = $old_position;
+ $restore_bookmarks[$bookmark_name] = $old_position;
}
}
@@ -961,30 +985,58 @@
$body_commands[] = $argv;
- // Finally, restore the bookmarks.
+ // Finally, clean up the bookmarks.
+
+ // Delete all bookmarks in a single command rather than individually.
+ if ($delete_bookmarks) {
+ $tail = array(
+ 'bookmark',
+ '--delete',
+ '--',
+ );
+ foreach ($delete_bookmarks as $bookmark_name) {
+ $tail[] = $bookmark_name;
+ }
- foreach ($restore as $bookmark_name => $old_position) {
- $tail = array();
- $tail[] = 'bookmark';
+ // Do this regardless of success or failure.
+ $tail_pass_commands[] = $tail;
+ $tail_fail_commands[] = $tail;
+ }
- if ($old_position === null) {
- $tail[] = '--delete';
- } else {
- $tail[] = '--force';
- $tail[] = '--rev';
- $tail[] = hgsprintf('%s', $api->getDisplayHash($old_position));
+ // Mercurial allows pulling multiple bookmarks in a single command which
+ // will be faster if we're landing onto multiple bookmarks.
+ if ($restore_bookmarks) {
+ $tail = array(
+ 'pull',
+ );
+
+ foreach ($restore_bookmarks as $bookmark_name => $old_position) {
+ // Instead of restoring the previous state, assume landing onto
+ // bookmarks is supposed to be synced with the remote. Pull the latest
+ // state of these bookmarks.
+ $tail[] = '--bookmark';
+ $tail[] = $bookmark_name;
+
+ // Unable to move multiple bookmarks in a single command, so add
+ // separate commands for each individual bookmark.
+ $tail_fail_commands[] = array(
+ 'bookmark',
+ '--force',
+ '--rev',
+ hgsprintf('%s', $api->getDisplayHash($old_position)),
+ );
}
- $tail[] = '--';
- $tail[] = $bookmark_name;
-
- $tail_commands[] = $tail;
+ if ($tail) {
+ $tail_pass_commands[] = $tail;
+ }
}
return array(
$head_commands,
$body_commands,
- $tail_commands,
+ $tail_pass_commands,
+ $tail_fail_commands,
);
}
@@ -1020,7 +1072,9 @@
$child_hash,
$new_commit);
} catch (CommandException $ex) {
- // TODO: Recover state.
+ // Aborting the rebase should restore the same state prior to running
+ // the rebase command.
+ // $api->execManualLocal('rebase --abort');
throw $ex;
}
}
@@ -1108,7 +1162,58 @@
$into_commit,
ArcanistRepositoryLocalState $state) {
- // TODO: For now, just leave users wherever they ended up.
+ $api = $this->getRepositoryAPI();
+
+ // If the starting working state was not part of land process just update
+ // to that original working state.
+ if (!$this->rebasedActiveCommit) {
+ $update_marker = $this->getLocalState()->getLocalCommit();
+ if ($this->getLocalState()->getLocalBookmark() !== null) {
+ $update_marker = $this->getLocalState()->getLocalBookmark();
+ }
+
+ $api->execxLocal(
+ 'update -- %s',
+ $update_marker);
+
+ $state->discardLocalState();
+ return;
+ }
+
+ // If the working state was landed into multiple destinations then the
+ // resulting working state is ambiguous.
+ if (count($this->ontoMarkers) != 1) {
+ $state->discardLocalState();
+ return;
+ }
+
+ // Get the current state of bookmarks
+ $bookmark_refs = $api->newMarkerRefQuery()
+ ->withMarkerTypes(
+ array(
+ ArcanistMarkerRef::TYPE_BOOKMARK,
+ ))
+ ->execute();
+
+ $onto_marker = $this->ontoMarkers[0]->getName();
+ $update_marker = $this->rebasedActiveCommit;
+
+ // Find any bookmarks which exist on the commit which is the result of the
+ // starting working directory's rebase. If any of those bookmarks are also
+ // the destination marker then we use that bookmark as the update in order
+ // for it to become active.
+ $onto_markers = mpull($this->ontoMarkers, null, 'getName');
+ foreach ($bookmark_refs as $bookmark_ref) {
+ if ($bookmark_ref->getCommitHash() == $this->rebasedActiveCommit &&
+ $bookmark_ref->getName() == $onto_marker) {
+ $update_marker = $onto_marker;
+ break;
+ }
+ }
+
+ $api->execxLocal(
+ 'update -- %s',
+ $update_marker);
$state->discardLocalState();
}
@@ -1120,8 +1225,9 @@
$message = pht(
'Holding changes locally, they have not been pushed.');
- list($head, $body, $tail) = $this->newPushCommands($into_commit);
- $commands = array_merge($head, $body, $tail);
+ list($head, $body, $tail_pass, $tail_fail) = $this->newPushCommands(
+ $into_commit);
+ $commands = array_merge($head, $body, $tail_pass);
echo tsprintf(
"\n%!\n%s\n\n",
diff --git a/src/repository/state/ArcanistMercurialLocalState.php b/src/repository/state/ArcanistMercurialLocalState.php
--- a/src/repository/state/ArcanistMercurialLocalState.php
+++ b/src/repository/state/ArcanistMercurialLocalState.php
@@ -7,6 +7,14 @@
private $localBranch;
private $localBookmark;
+ public function getLocalCommit() {
+ return $this->localCommit;
+ }
+
+ public function getLocalBookmark() {
+ return $this->localBookmark;
+ }
+
protected function executeSaveLocalState() {
$api = $this->getRepositoryAPI();
$log = $this->getWorkflow()->getLogEngine();
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D21680.id51627.diff (9 KB)
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D21680: An assortment of fixes and updates to using arc-land with mercurial
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