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Fix PHP 8.1 "strlen(null)" exception when Diffusion repository has no tags

Summary:
`strlen()` was used in Phabricator to check if a generic value is a non-empty string.
This behavior is deprecated since PHP 8.1. Phorge adopts `phutil_nonempty_string()` as a replacement.

Note: this may highlight other absurd input values that might be worth correcting
instead of just ignoring. If phutil_nonempty_string() throws an exception in your
instance, report it to Phorge to evaluate and fix that specific corner case.

```
EXCEPTION: (RuntimeException) strlen(): Passing null to parameter #1 ($string) of type string is deprecated at [<arcanist>/src/error/PhutilErrorHandler.php:261]
arcanist(head=diffusionEmptyRepoPatternSearch, ref.master=97e163187418, ref.diffusionEmptyRepoPatternSearch=97e163187418), phorge(head=master, ref.master=108cbcd09bd3)
  #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/diffusion/controller/DiffusionTagListController.php:28]
```

Closes T15461

Test Plan: After applying this line, get the expected `CommandException: Command failed with error #128!` due to ` fatal: detected dubious ownership in repository at '/var/repo/1'` (plus a `RuntimeException: file_exists(): Passing null to parameter #1 ($filename) of type string is deprecated` as a bonus), instead of the previous RuntimeException about `strlen()`.

Reviewers: O1 Blessed Committers, speck

Reviewed By: O1 Blessed Committers, speck

Subscribers: speck, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Maniphest Tasks: T15461

Differential Revision: https://we.phorge.it/D25285
This commit is contained in:
Andre Klapper 2023-06-12 21:50:14 +02:00
parent 54ee51d7ab
commit 7bbd657c19

View file

@ -25,7 +25,7 @@ final class DiffusionTagListController extends DiffusionController {
'offset' => $pager->getOffset(),
);
if (strlen($drequest->getSymbolicCommit())) {
if (phutil_nonempty_string($drequest->getSymbolicCommit())) {
$is_commit = true;
$params['commit'] = $drequest->getSymbolicCommit();
} else {