59 lines
2.2 KiB
Plaintext
59 lines
2.2 KiB
Plaintext
#
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# Creates archive files
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#
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local archive_name dir_to_archive _gzip_bin _bzip2_bin
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if (( $# != 2 )); then
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cat >&2 <<EOF
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usage: $0 [archive_name.zip] [/path/to/include/into/archive]
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Where 'archive.zip' uses any of the following extensions:
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.tar.gz, .tar.bz2, .tar.xz, .tar.lzma, .tar, .zip, .rar, .7z
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There is no '-v' switch; all operations are verbose.
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EOF
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return 1
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fi
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# we are quitting (above) if there are not exactly 2 vars,
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# so we don't need any argc check here.
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# strip the path, just in case one is provided for some reason
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archive_name="${1:t}"
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# use absolute paths, and follow symlinks
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dir_to_archive="${2}"
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# if the directory doesn't exist, quit. Nothing to archive
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if [[ ! -e "${dir_to_archive}" ]]; then
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print "$0: file or directory not valid: ${dir_to_archive}" >&2
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return 1
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fi
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# here, we check for dropin/multi-threaded replacements
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if (( $+commands[pigz] )); then
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_gzip_bin='pigz'
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else
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_gzip_bin='gzip'
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fi
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if (( $+commands[pbzip2] )); then
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_bzip2_bin='pbzip2'
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else
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_bzip2_bin='bzip2'
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fi
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case "${archive_name}" in
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(*.tar.gz|*.tgz) tar -cvf "${archive_name}" --use-compress-program="${_gzip_bin}" "${dir_to_archive}" ;;
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(*.tar.bz2|*.tbz|*.tbz2) tar -cvf "${archive_name}" --use-compress-program="${_bzip2_bin}" "${dir_to_archive}" ;;
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(*.tar.xz|*.txz) tar --xz --help &> /dev/null && tar -cvJf "${archive_name}" "${dir_to_archive}" ;;
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(*.tar.lzma|*.tlz) tar --lzma --help &> /dev/null && tar -cvf "${archive_name}" --lzma "${dir_to_archive}" ;;
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(*.tar) tar -cvf "${archive_name}" "${dir_to_archive}" ;;
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(*.zip) zip -r "${archive_name}" "${dir_to_archive}" ;;
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(*.rar) rar a "${archive_name}" "${dir_to_archive}" ;;
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(*.7z) 7za a "${archive_name}" "${dir_to_archive}" ;;
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(*.gz) print "${0}: .gz is only useful for single files, and does not capture permissions. Use .tar.gz" ;;
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(*.bz2) print "${0}: .bzip2 is only useful for single files, and does not capture permissions. Use .tar.bz2" ;;
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(*.xz) print "${0}: .xz is only useful for single files, and does not capture permissions. Use .tar.xz" ;;
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(*.lzma) print "${0}: .lzma is only useful for single files, and does not capture permissions. Use .tar.lzma" ;;
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(*) print "${0}: unknown archive type: ${archive_name}" ;;
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esac
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