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fix(perf): going to stat remove lsattr macOS

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The command `lsattr` is not supported on macOS so I have remove it
switch to `stat` instead of `ls` for better performance and no subshell
use of parameter expansion with  `%` in place of `awk` for performance and no subshell
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meo 2024-12-14 12:03:23 +01:00
parent eaa969e1db
commit d4e70de6ab
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1 changed files with 21 additions and 20 deletions
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zfs-inplace-rebalancing.sh
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@ -137,37 +137,38 @@ function rebalance() {
# Linux
# file attributes
original_md5=$(lsattr "${file_path}" | awk '{print $1}')
# file permissions, owner, group
# shellcheck disable=SC2012
original_md5="${original_md5} $(ls -lha "${file_path}" | awk '{print $1 " " $3 " " $4}')"
original_md5=$(lsattr "${file_path}")
# remove anything after the last space
original_md5=${original_md5% *}
# file permissions, owner, group, size, modification time
original_md5="${original_md5} $(stat -c "%A %U %G %s %Y" "${file_path}")"
# file content
original_md5="${original_md5} $(md5sum -b "${file_path}" | awk '{print $1}')"
original_md5="${original_md5} $(md5sum -b "${file_path}")"
# file attributes
copy_md5=$(lsattr "${tmp_file_path}" | awk '{print $1}')
# file permissions, owner, group
# shellcheck disable=SC2012
copy_md5="${copy_md5} $(ls -lha "${tmp_file_path}" | awk '{print $1 " " $3 " " $4}')"
copy_md5=$(lsattr "${tmp_file_path}")
# remove anything after the last space
copy_md5=${copy_md5% *}
# file permissions, owner, group, size, modification time
copy_md5="${copy_md5} $(stat -c "%A %U %G %s %Y" "${tmp_file_path}")"
# file content
copy_md5="${copy_md5} $(md5sum -b "${tmp_file_path}" | awk '{print $1}')"
copy_md5="${copy_md5} $(md5sum -b "${tmp_file_path}")"
# remove the temporary extension
copy_md5=${copy_md5%"${tmp_extension}"}
elif [[ "${OSTYPE}" == "darwin"* ]] || [[ "${OSTYPE}" == "freebsd"* ]]; then
# Mac OS
# FreeBSD
# file attributes
original_md5=$(lsattr "${file_path}" | awk '{print $1}')
# file permissions, owner, group
# shellcheck disable=SC2012
original_md5="${original_md5} $(ls -lha "${file_path}" | awk '{print $1 " " $3 " " $4}')"
# note: no lsattr on Mac OS or FreeBSD
# file permissions, owner, group size, modification time
original_md5="${original_md5} $(stat -f "%Sp %Su %Sg %z %m" "${file_path}")"
# file content
original_md5="${original_md5} $(md5 -q "${file_path}")"
# file attributes
copy_md5=$(lsattr "${tmp_file_path}" | awk '{print $1}')
# file permissions, owner, group
# shellcheck disable=SC2012
copy_md5="${copy_md5} $(ls -lha "${tmp_file_path}" | awk '{print $1 " " $3 " " $4}')"
# file permissions, owner, group size, modification time
copy_md5="${copy_md5} $(stat -f "%Sp %Su %Sg %z %m" "${tmp_file_path}")"
# file content
copy_md5="${copy_md5} $(md5 -q "${tmp_file_path}")"
else