Support wiping userdata for A/B OTA packages.
update_engine now accepts POWERWASH=1 to schedule a factory reset in
the post-install phase. Hook up with the --wipe_user_data flag in the
OTA script.
Bug: 28700985
Change-Id: Ie73876a61db90d124d2af588d674757376e9aabc
(cherry picked from commit 38ca0be399df26514f0412c7b7fca8050d36e9e2)
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index 546c251..a13bed8 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -1271,6 +1271,11 @@
p1.communicate()
assert p1.returncode == 0, "brillo_update_payload properties failed"
+ if OPTIONS.wipe_user_data:
+ with open(properties_file, "a") as f:
+ f.write("POWERWASH=1\n")
+ metadata["ota-wipe"] = "yes"
+
# Add the signed payload file and properties into the zip.
common.ZipWrite(output_zip, properties_file, arcname="payload_properties.txt")
common.ZipWrite(output_zip, signed_payload_file, arcname="payload.bin",