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| #!/usr/bin/env bash | |
| # Using gnu tar, make a tarball using pax format and drop unneeded metadata | |
| # Also sha256sum all files before creating the tarball and include a text file of checksums in the tarball. | |
| # Ref: https://www.gnu.org/software/tar/manual/html_chapter/Formats.html#Reproducibility | |
| # Note that we delete mtime instead of setting it as the docs suggest above | |
| # Note that gzip you may want --no-names; zstd has the same option, but it is enabled by default. | |
| # Note that BSD tar (including mac os flavor) does not accept some of these options. | |
| # | |
| # License: CC0 v1.0 universal: https://creativecommons.org/publicdomain/zero/1.0/legalcode.txt | |
| set -u | |
| if [ "$#" -lt 2 ]; then | |
| echo "At least two arguments are required. Output tar archive, followed by items to archive." | |
| return 1 | |
| fi | |
| BASENAME=$(basename -s ".tar" "$1") | |
| SHAFILE="$BASENAME.sha256sums.txt" | |
| for i in "${@:2}"; do | |
| # Checksum all files in all directories to be archived | |
| if [[ -d "$i" ]]; then | |
| find "$i" -type f -exec sha256sum {} \; >> "$SHAFILE" | |
| # Checksum all top-level files to be archive | |
| elif [[ -f "$i" ]]; then | |
| sha256sum "$i" >> "$SHAFILE" | |
| fi | |
| done | |
| LC_ALL=C tar --sort=name --format=posix \ | |
| --pax-option=exthdr.name=%d/PaxHeaders/%f \ | |
| --pax-option=delete=atime,delete=ctime,delete=mtime \ | |
| --numeric-owner --owner=0 --group=0 \ | |
| --mode=go+u,go-w \ | |
| -cvf "$1" "${@:2}" "$SHAFILE" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env bash | |
| # Using gnu tar, make a tarball using pax format and drop unneeded metadata | |
| # | |
| # Ref: https://www.gnu.org/software/tar/manual/html_chapter/Formats.html#Reproducibility | |
| # | |
| # Note that we delete mtime instead of setting it as the docs suggest above | |
| # Note that gzip you may want --no-names; zstd has the same option, but it is enabled by default. | |
| # Note that BSD tar (including mac os flavor) does not accept some of these options. | |
| # | |
| # License: CC0 v1.0 universal: https://creativecommons.org/publicdomain/zero/1.0/legalcode.txt | |
| set -eu | |
| if [ "$#" -lt 2 ]; then | |
| echo "At least two arguments are required. Output tar archive, followed by items to archive." | |
| return 1 | |
| fi | |
| LC_ALL=C tar --sort=name --format=posix \ | |
| --pax-option=exthdr.name=%d/PaxHeaders/%f \ | |
| --pax-option=delete=atime,delete=ctime,delete=mtime \ | |
| --numeric-owner --owner=0 --group=0 \ | |
| --mode=go+u,go-w \ | |
| -cvf "$1" "${@:2}" |
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