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-rwxr-xr-xtools/releasetools/ota_from_target_files9
1 files changed, 1 insertions, 8 deletions
diff --git a/tools/releasetools/ota_from_target_files b/tools/releasetools/ota_from_target_files
index 0a27a19..1514ea7 100755
--- a/tools/releasetools/ota_from_target_files
+++ b/tools/releasetools/ota_from_target_files
@@ -336,13 +336,8 @@ def MakeRecoveryPatch(output_zip, recovery_img, boot_img):
boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
recovery_type, recovery_device = common.GetTypeAndDevice("/recovery", OPTIONS.info_dict)
- # Images with different content will have a different first page, so
- # we check to see if this recovery has already been installed by
- # testing just the first 2k.
- HEADER_SIZE = 2048
- header_sha1 = common.sha1(recovery_img.data[:HEADER_SIZE]).hexdigest()
sh = """#!/system/bin/sh
-if ! applypatch -c %(recovery_type)s:%(recovery_device)s:%(header_size)d:%(header_sha1)s; then
+if ! applypatch -c %(recovery_type)s:%(recovery_device)s:%(recovery_size)d:%(recovery_sha1)s; then
log -t recovery "Installing new recovery image"
applypatch %(boot_type)s:%(boot_device)s:%(boot_size)d:%(boot_sha1)s %(recovery_type)s:%(recovery_device)s %(recovery_sha1)s %(recovery_size)d %(boot_sha1)s:/system/recovery-from-boot.p
else
@@ -350,8 +345,6 @@ else
fi
""" % { 'boot_size': boot_img.size,
'boot_sha1': boot_img.sha1,
- 'header_size': HEADER_SIZE,
- 'header_sha1': header_sha1,
'recovery_size': recovery_img.size,
'recovery_sha1': recovery_img.sha1,
'boot_type': boot_type,