Merge "Greater-than zero is more idiomatic."
diff --git a/core/Makefile b/core/Makefile
index b9103ab..9314b94 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -5170,6 +5170,11 @@
     echo "virtual_ab=true" >> $(1))
   $(if $(filter true,$(PRODUCT_VIRTUAL_AB_COMPRESSION)), \
     echo "virtual_ab_compression=true" >> $(1))
+# This value controls the compression algorithm used for VABC
+# valid options are defined in system/core/fs_mgr/libsnapshot/cow_writer.cpp
+# e.g. "none", "gz", "brotli"
+  $(if $(PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD), \
+    echo "virtual_ab_compression_method=$(PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD)" >> $(1))
   $(if $(filter true,$(PRODUCT_VIRTUAL_AB_OTA_RETROFIT)), \
     echo "virtual_ab_retrofit=true" >> $(1))
 endef
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 415334f..5807ebe 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -264,6 +264,7 @@
 LOCAL_RESOURCE_DIR:=
 LOCAL_RLIB_LIBRARIES:=
 LOCAL_RMTYPEDEFS:=
+LOCAL_ROTATION_MIN_SDK_VERSION:=
 LOCAL_RRO_THEME:=
 LOCAL_RTTI_FLAG:=
 LOCAL_SANITIZE:=
diff --git a/envsetup.sh b/envsetup.sh
index a23bbad..87e6e0a 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -625,7 +625,7 @@
         return
     fi
 
-    echo "Lunch menu... pick a combo:"
+    echo "Lunch menu .. Here are the common combinations:"
 
     local i=1
     local choice
@@ -647,12 +647,16 @@
         return 1
     fi
 
+    local used_lunch_menu=0
+
     if [ "$1" ]; then
         answer=$1
     else
         print_lunch_menu
-        echo -n "Which would you like? [aosp_arm-eng] "
+        echo "Which would you like? [aosp_arm-eng]"
+        echo -n "Pick from common choices above (e.g. 13) or specify your own (e.g. aosp_barbet-eng): "
         read answer
+        used_lunch_menu=1
     fi
 
     local selection=
@@ -717,6 +721,11 @@
     fi
     export TARGET_BUILD_TYPE=release
 
+    if [ $used_lunch_menu -eq 1 ]; then
+      echo
+      echo "Hint: next time you can simply run 'lunch $selection'"
+    fi
+
     [[ -n "${ANDROID_QUIET_BUILD:-}" ]] || echo
 
     set_stuff_for_environment
diff --git a/target/product/virtual_ab_ota/compression.mk b/target/product/virtual_ab_ota/compression.mk
index 88c58b8..d5bd2a5 100644
--- a/target/product/virtual_ab_ota/compression.mk
+++ b/target/product/virtual_ab_ota/compression.mk
@@ -18,6 +18,7 @@
 
 PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.enabled=true
 PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.userspace.snapshots.enabled=true
+PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.io_uring.enabled=true
 PRODUCT_VIRTUAL_AB_COMPRESSION := true
 PRODUCT_PACKAGES += \
     snapuserd.vendor_ramdisk \
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
index 9a9fba1..7143775 100644
--- a/tools/releasetools/add_img_to_target_files.py
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -170,16 +170,16 @@
     return img.name
 
   def output_sink(fn, data):
-    ofile = open(os.path.join(OPTIONS.input_tmp, "VENDOR", fn), "w")
-    ofile.write(data)
-    ofile.close()
+    output_file = os.path.join(OPTIONS.input_tmp, "VENDOR", fn)
+    with open(output_file, "wb") as ofile:
+      ofile.write(data)
 
     if output_zip:
       arc_name = "VENDOR/" + fn
       if arc_name in output_zip.namelist():
         OPTIONS.replace_updated_files_list.append(arc_name)
       else:
-        common.ZipWrite(output_zip, ofile.name, arc_name)
+        common.ZipWrite(output_zip, output_file, arc_name)
 
   board_uses_vendorimage = OPTIONS.info_dict.get(
       "board_uses_vendorimage") == "true"
diff --git a/tools/releasetools/non_ab_ota.py b/tools/releasetools/non_ab_ota.py
index 471ef25..9732cda 100644
--- a/tools/releasetools/non_ab_ota.py
+++ b/tools/releasetools/non_ab_ota.py
@@ -74,7 +74,7 @@
 
   block_diff_dict = collections.OrderedDict()
   partition_names = ["system", "vendor", "product", "odm", "system_ext",
-                     "vendor_dlkm", "odm_dlkm"]
+                     "vendor_dlkm", "odm_dlkm", "system_dlkm"]
   for partition in partition_names:
     if not HasPartition(target_zip, partition):
       continue
diff --git a/tools/releasetools/verity_utils.py b/tools/releasetools/verity_utils.py
index a08ddbe..d55ad88 100644
--- a/tools/releasetools/verity_utils.py
+++ b/tools/releasetools/verity_utils.py
@@ -379,6 +379,11 @@
     self.avbtool = avbtool
     self.algorithm = algorithm
     self.key_path = key_path
+    if key_path and not os.path.exists(key_path) and OPTIONS.search_path:
+      new_key_path = os.path.join(OPTIONS.search_path, key_path)
+      if os.path.exists(new_key_path):
+        self.key_path = new_key_path
+
     self.salt = salt
     self.signing_args = signing_args
     self.image_size = None