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Code Issues Releases Wiki Activity

Make corrections to the "arc amend" workflow in Mercurial repositories to be compatible with PHP 5+

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Summary:
Refs T13665

In the update to D21716 the `str_starts_with` function was added which is only available in PHP 8. This changes it to use `strncmp()` which is compatible back to PHP 4.

Additionally fixed running into an error when trying to run `arc amend` on a commit which already matches the content known in Phabricator. Mercurial throws an error when running `amend` without file changes and using the exact same commit message it already has.

Test Plan:
I created a commit and revision then used `hg amend -e` to modify the commit message locally.
I used `arc amend` to update the commit message back to the appropriate message from Phabricator.
I ran `arc amend` again to verify that the command did not fail even though the commit message is unchanged.

I ran `arc inspect --explore -- 'commit(674492bb460)'` and verified it matched the appropriate commit, to verify the substring matching works properly.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T13665

Differential Revision: https://secure.phabricator.com/D21723
This commit is contained in:
Christopher Speck 2021-09-16 14:50:01 -04:00
parent d246a06562
commit a028291f8e
2 changed files with 5 additions and 2 deletions
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2
src/ref/commit/ArcanistMercurialCommitSymbolCommitHardpointQuery.php
View file

@ -159,7 +159,7 @@ final class ArcanistMercurialCommitSymbolCommitHardpointQuery
// a spot which a marker might match.
foreach ($node_list as $node) {
foreach ($symbol_set as $symbol) {
if (str_starts_with($node, $symbol)) {
if (strncmp($node, $symbol, strlen($symbol)) === 0) {
if (!isset($hash_map[$symbol])) {
$hash_map[$symbol] = $node;
}

5
src/repository/api/ArcanistMercurialAPI.php
View file

@ -672,7 +672,10 @@ final class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
public function amendCommit($message = null) {
$path_statuses = $this->buildUncommittedStatus();
if ($message === null) {
$existing_message = $this->getCommitMessage(
$this->getWorkingCopyRevision());
if ($message === null || $message == $existing_message) {
if (empty($path_statuses)) {
// If there are no changes to the working directory and the message is
// not being changed then there's nothing to amend. Notably Mercurial