Make Git commit author configurable

src/Configuration/LifterConfig.php

@@ -20,6 +20,9 @@ final class LifterConfig
 
     private bool $commitResults = true;
 
+    private ?string $commitAuthor = null;
+    private ?string $commitEMail = null;
+
     public function __construct(public readonly ?string $configurationFile)
     {
         $this->workingDirectory = \Safe\getcwd();
@@ -49,6 +52,21 @@ public function getCommitMessagePrefix(): string
         return $this->commitMessagePrefix;
     }
 
+    public function withCommitAuthor(string $name, string $email): void
+    {
+        $this->commitAuthor = $name;
+        $this->commitEMail = $email;
+    }
+
+    public function getCommitAuthor(): ?string
+    {
+        if ($this->commitAuthor === null || $this->commitEMail === null) {
+            return null;
+        }
+
+        return sprintf('%s <%s>', $this->commitAuthor, $this->commitEMail);
+    }
+
     /**
      * @var list<UpgradeStep>
      */

src/Upgrade/GitService.php

@@ -22,16 +22,23 @@ public function doGitCommitForStep(UpgradeStep $step): void
         if ($this->config->getCommitMessagePrefix() !== '') {
             $commitMessage = sprintf('%s %s', $this->config->getCommitMessagePrefix(), $commitMessage);
         }
+        $authorParams = [];
+        $commitAuthor = $this->config->getCommitAuthor();
+        if ($commitAuthor !== null) {
+            $authorParams[] = '--author';
+            $authorParams[] = $commitAuthor;
+        }
 
-        $process = $this->processFactory->createProcess(
+        $process = $this->processFactory->createProcess(...[
             '/usr/bin/env',
             'git',
             'commit',
+            ...$authorParams,
             '-a',
             '--allow-empty',
             '-m',
-            $commitMessage
-        );
+            $commitMessage,
+        ]);
         $process->run();
 
         if ($process->getExitCode() > 0) {