diff options
| -rwxr-xr-x | scripts/brillo_update_payload | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/scripts/brillo_update_payload b/scripts/brillo_update_payload index 47e1f298..1649106f 100755 --- a/scripts/brillo_update_payload +++ b/scripts/brillo_update_payload @@ -219,6 +219,18 @@ read_option_uint() { echo "${default_value}" } +# truncate_file <file_path> <file_size> +# +# Truncate the given |file_path| to |file_size| using perl. +# The truncate binary might not be available. +truncate_file() { + local file_path="$1" + local file_size="$2" + perl -e "open(FILE, \"+<\", \$ARGV[0]); \ + truncate(FILE, ${file_size}); \ + close(FILE);" "${file_path}" +} + # Create a temporary file in the work_dir with an optional pattern name. # Prints the name of the newly created file. create_tempfile() { @@ -421,7 +433,7 @@ Disabling deltas for this source version." echo "Rounding UP partition ${part}.img to a multiple of 4 KiB." : $(( filesize = (filesize + 4095) & -4096 )) fi - truncate --size="${filesize}" "${part_file}" + truncate_file "${part_file}" "${filesize}" fi eval "${partitions_array}[\"${part}\"]=\"${part_file}\"" |