create adhoc snapshot

Signed-off-by: Andy Miller <rhuk@mac.com>

bin/restore

@@ -43,16 +43,21 @@ Usage:
   bin/restore remove [<snapshot-id> ...] [--staging-root=/absolute/path]
       Deletes one or more snapshots (interactive selection when no id provided).
 
+  bin/restore snapshot [--label=\"optional description\"] [--staging-root=/absolute/path]
+      Creates a manual snapshot of the current Grav core files.
+
   bin/restore recovery [status|clear]
       Shows the recovery flag context or clears it.
 
 Options:
   --staging-root     Overrides the staging directory (defaults to configured value).
+  --label            Optional label to store with the manual snapshot.
 
 Examples:
   bin/restore list
   bin/restore apply stage-68eff31cc4104
   bin/restore apply stage-68eff31cc4104 --staging-root=/var/grav-backups
+  bin/restore snapshot --label=\"Before plugin install\"
   bin/restore recovery status
   bin/restore recovery clear
 USAGE;
@@ -274,6 +279,45 @@ function applySnapshot(string $snapshotId, array $options): void
     exit(0);
 }
 
+/**
+ * @param array $options
+ * @return void
+ */
+function createManualSnapshot(array $options): void
+{
+    $label = null;
+    if (isset($options['label']) && is_string($options['label'])) {
+        $label = trim($options['label']);
+        if ($label === '') {
+            $label = null;
+        }
+    }
+
+    try {
+        $service = createUpgradeService($options);
+        $manifest = $service->createSnapshot($label);
+    } catch (\Throwable $e) {
+        fwrite(STDERR, "Snapshot creation failed: " . $e->getMessage() . "\n");
+        exit(1);
+    }
+
+    $snapshotId = $manifest['id'] ?? null;
+    if (!$snapshotId) {
+        $snapshotId = 'unknown';
+    }
+    $version = $manifest['source_version'] ?? $manifest['target_version'] ?? 'unknown';
+
+    echo "Created snapshot {$snapshotId} (Grav {$version}).\n";
+    if ($label) {
+        echo "Label: {$label}\n";
+    }
+    if (!empty($manifest['backup_path'])) {
+        echo "Snapshot path: {$manifest['backup_path']}\n";
+    }
+
+    exit(0);
+}
+
 /**
  * @param list<array{id:string,source_version:?string,target_version:?string,created_at:int}> $snapshots
  * @return string|null
@@ -520,6 +564,10 @@ switch ($command) {
         applySnapshot($snapshotId, $options);
         break;
 
+    case 'snapshot':
+        createManualSnapshot($options);
+        break;
+
     case 'recovery':
         $action = strtolower($arguments[0] ?? 'status');
         $manager = new RecoveryManager(GRAV_ROOT);

system/src/Grav/Common/Upgrade/SafeUpgradeService.php

@@ -210,6 +210,51 @@ class SafeUpgradeService
         return $manifest;
     }
 
+    /**
+     * Create a manual snapshot of the current Grav installation.
+     *
+     * @param string|null $label
+     * @return array
+     */
+    public function createSnapshot(?string $label = null): array
+    {
+        $entries = $this->collectPackageEntries($this->rootPath);
+        if (!$entries) {
+            throw new RuntimeException('Unable to locate files to snapshot.');
+        }
+
+        $stageId = uniqid('snapshot-', false);
+        $backupPath = $this->stagingRoot . DIRECTORY_SEPARATOR . 'snapshot-' . $stageId;
+
+        $this->reportProgress('snapshot', 'Creating manual snapshot...', null, [
+            'operation' => 'snapshot',
+            'label' => $label,
+            'mode' => 'manual',
+        ]);
+
+        $this->createBackupSnapshot($entries, $backupPath);
+
+        $manifest = $this->buildManifest($stageId, GRAV_VERSION, $this->rootPath, $backupPath, $entries);
+        $manifest['package_path'] = null;
+        if ($label !== null && $label !== '') {
+            $manifest['label'] = $label;
+        }
+        $manifest['operation'] = 'snapshot';
+        $manifest['mode'] = 'manual';
+
+        $this->persistManifest($manifest);
+        $this->pruneOldSnapshots();
+
+        $this->reportProgress('complete', sprintf('Snapshot %s created.', $stageId), 100, [
+            'operation' => 'snapshot',
+            'snapshot' => $stageId,
+            'version' => $manifest['target_version'] ?? null,
+            'mode' => 'manual',
+        ]);
+
+        return $manifest;
+    }
+
     private function collectPackageEntries(string $packagePath): array
     {
         $entries = [];