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-rwxr-xr-xscripts/image_signing/sign_official_build.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/image_signing/sign_official_build.sh b/scripts/image_signing/sign_official_build.sh
index 668989ea..f3def18a 100755
--- a/scripts/image_signing/sign_official_build.sh
+++ b/scripts/image_signing/sign_official_build.sh
@@ -691,7 +691,7 @@ sign_image_file() {
local kernB_keyblock="$7"
local kernB_privkey="$8"
echo "Preparing ${image_type} image..."
- cp "${input}" "${output}"
+ cp --sparse=always "${input}" "${output}"
resign_firmware_payload "${output}"
# We do NOT strip /boot for factory installer, since some devices need it to
# boot EFI. crbug.com/260512 would obsolete this requirement.