Support for recovery snapshot.
Bug: 171231437
Test: source build/envsetup.sh
Test: ALLOW_MISSING_DEPENDENCIES=true m -j nothing
Change-Id: I0277a3a7225ebb87246c0117fdd51ebbf41adcc6
diff --git a/core/tasks/recovery_snapshot.mk b/core/tasks/recovery_snapshot.mk
new file mode 100644
index 0000000..fea0bb9
--- /dev/null
+++ b/core/tasks/recovery_snapshot.mk
@@ -0,0 +1,34 @@
+# Copyright (C) 2020 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.
+
+current_makefile := $(lastword $(MAKEFILE_LIST))
+
+# BOARD_VNDK_VERSION must be set to 'current' in order to generate a recovery snapshot.
+ifeq ($(BOARD_VNDK_VERSION),current)
+
+.PHONY: recovery-snapshot
+recovery-snapshot: $(SOONG_RECOVERY_SNAPSHOT_ZIP)
+
+$(call dist-for-goals, recovery-snapshot, $(SOONG_RECOVERY_SNAPSHOT_ZIP))
+
+else # BOARD_VNDK_VERSION is NOT set to 'current'
+
+.PHONY: recovery-snapshot
+recovery-snapshot: PRIVATE_MAKEFILE := $(current_makefile)
+recovery-snapshot:
+ $(call echo-error,$(PRIVATE_MAKEFILE),\
+ "CANNOT generate Recovery snapshot. BOARD_VNDK_VERSION must be set to 'current'.")
+ exit 1
+
+endif # BOARD_VNDK_VERSION