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add comment about cpio creation

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Tobias Powalowski 2024-07-17 07:04:22 +02:00
parent a92633a10c
commit 17ed4ea2a0
1 changed files with 2 additions and 1 deletions
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3
usr/lib/archboot/cpio/cpio.sh
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@ -253,6 +253,8 @@ _create_cpio() {
# cpio, pax, tar are slower than bsdtar! # cpio, pax, tar are slower than bsdtar!
# LC_ALL=C.UTF-8 bsdtar --null -cnf - -T - | # LC_ALL=C.UTF-8 bsdtar --null -cnf - -T - |
# LC_ALL=C.UTF-8 bsdtar --null -cf - --format=newc @- # LC_ALL=C.UTF-8 bsdtar --null -cf - --format=newc @-
# Compression:
# use zstd only it has best compression and decompression
# Result: # Result:
# Multi CPIO archive, extractable with 3cpio # Multi CPIO archive, extractable with 3cpio
pushd "${_ROOTFS}" >"${_NO_LOG}" || return pushd "${_ROOTFS}" >"${_NO_LOG}" || return
@ -270,7 +272,6 @@ _create_cpio() {
fd . -u -e 'bz2' -e 'gz' -e 'xz' -e 'zst' --min-depth 1 -X rm fd . -u -e 'bz2' -e 'gz' -e 'xz' -e 'zst' --min-depth 1 -X rm
fd . -u --min-depth 1 -X touch -hcd "@0" fd . -u --min-depth 1 -X touch -hcd "@0"
echo "Appending zstd compressed image..." echo "Appending zstd compressed image..."
# use zstd only it has best compression and decompression
fd . -t f -t l -u --min-depth 1 -0 | sort -z | fd . -t f -t l -u --min-depth 1 -0 | sort -z |
LC_ALL=C.UTF-8 bsdtar --null -cnf - -T - | LC_ALL=C.UTF-8 bsdtar --null -cnf - -T - |
LC_ALL=C.UTF-8 bsdtar --null -cf - --format=newc @- | LC_ALL=C.UTF-8 bsdtar --null -cf - --format=newc @- |