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update/release: fix/simplify mtime handling 

i wasn't getting the very first line of tar --version,
so it wasn't doing the check properly.

further sort the files by name within the tar archive.
for reliability, don't bother using versiondate anymore:
set a *fixed* date, and fixed timezone, to ensure
that it works reliably for reproducible tarball creation.

Signed-off-by: Leah Rowe <leah@libreboot.org>
btrfsvols
Leah Rowe 2023-10-14 04:37:14 +01:00
parent ec0b38afb3
commit e0feda639b
1 changed files with 10 additions and 20 deletions
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30
script/update/project/release
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@ -8,7 +8,7 @@ set -u -e
. "include/err.sh"
eval "$(setvars "" vdir basename src_dirname srcdir _nogit _xm target romdir \
microcode_required CONFIG_HAVE_MRC CONFIG_HAVE_ME_BIN mode \
microcode_required CONFIG_HAVE_MRC CONFIG_HAVE_ME_BIN mode mtime \
CONFIG_KBC1126_FIRMWARE CONFIG_INCLUDE_SMSC_SCH5545_EC_FW)"
_f="coreboot u-boot seabios flashrom grub memtest86plus uefitool"
@ -230,27 +230,17 @@ insert_version_files()
mktarball()
{
# preserve timestamps for reproducible tarballs
touch_implementation="$(touch --version)"
tar_implementation="$(tar --version)"
eval "$(setvars "" mtime touch)"
[ "${tar_implementation% *}" = "tar (GNU tar)" ] && \
mtime="--mtime='@${versiondate}'"
[ "${touch_implementation% *}" = "touch (GNU coreutils)" ] || \
touch_implementation=""
(
x_ cd "${1}"
[ -z "${touch_implementation}" ] || \
find . -exec touch -h -a -m \
-d "$(date -Rd @${versiondate})" {} + || \
err "mktarball ${1}: can't set universal timestamps"
)
[ -z "${touch_implementation}" ] || \
touch -h -a -m -d "$(date -Rd @${versiondate})" "${1}" || \
err "mktarball ${1}: can't set timestamp on ${1}"
tar_implementation=$(tar --version | head -n1) || :
[ "${2%/*}" = "${2}" ] || x_ mkdir -p "${2%/*}"
x_ tar -c "${1}" ${mtime} | xz -T0 -9e > "${2}"
if [ "${tar_implementation% *}" = "tar (GNU tar)" ]; then
tar --sort=name --owner=root:0 --group=root:0 \
--mtime="UTC 2023-10-14" -c "${1}" | xz -T0 -9e > "${2}" || \
err "mktarball 1, ${1}"
else
# TODO: reproducible tarballs on non-GNU systems
tar -c "${1}" | xz -T0 -9e > "${2}" || err "mktarball 2, ${1}"
fi
(
[ "${2%/*}" != "${2}" ] && x_ cd "${2%/*}"
x_ sha512sum "${2##*/}" > "${2##*/}.sha512"