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authorDavid Anderson <dvander@google.com>2019-11-15 05:27:59 +0100
committerGerrit Code Review <noreply-gerritcodereview@google.com>2019-11-15 05:27:59 +0100
commit8444dec7ac22f6876651110b2ec831032ed875fd (patch)
tree5290b76f3706c975c366899419907f885c2f7075 /install/snapshot_utils.cpp
parentMerge "Consolidate the vendor space misc usage for Pixels" (diff)
parentForce merges to complete before wiping data or metadata. (diff)
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Diffstat (limited to '')
-rw-r--r--install/snapshot_utils.cpp49
1 files changed, 49 insertions, 0 deletions
diff --git a/install/snapshot_utils.cpp b/install/snapshot_utils.cpp
new file mode 100644
index 000000000..69da5eea0
--- /dev/null
+++ b/install/snapshot_utils.cpp
@@ -0,0 +1,49 @@
+
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/properties.h>
+#include <libsnapshot/snapshot.h>
+
+#include "recovery_ui/device.h"
+#include "recovery_ui/ui.h"
+#include "recovery_utils/roots.h"
+
+using android::snapshot::SnapshotManager;
+
+bool FinishPendingSnapshotMerges(Device* device) {
+ if (!android::base::GetBoolProperty("ro.virtual_ab.enabled", false)) {
+ return true;
+ }
+
+ RecoveryUI* ui = device->GetUI();
+ auto sm = SnapshotManager::NewForFirstStageMount();
+ if (!sm) {
+ ui->Print("Could not create SnapshotManager.\n");
+ return false;
+ }
+
+ auto callback = [&]() -> void {
+ double progress;
+ sm->GetUpdateState(&progress);
+ ui->Print("Waiting for merge to complete: %.2f\n", progress);
+ };
+ if (!sm->HandleImminentDataWipe(callback)) {
+ ui->Print("Unable to check merge status and/or complete update merge.\n");
+ return false;
+ }
+ return true;
+}