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152 lines
4.1 KiB
Groff
152 lines
4.1 KiB
Groff
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.TH "BORG-EXPORT-TAR" 1 "2022-02-19" "" "borg backup tool"
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.SH NAME
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borg-export-tar \- Export archive contents as a tarball
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.SH SYNOPSIS
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.sp
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borg [common options] export\-tar [options] ARCHIVE FILE [PATH...]
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.SH DESCRIPTION
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.sp
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This command creates a tarball from an archive.
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.sp
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When giving \(aq\-\(aq as the output FILE, Borg will write a tar stream to standard output.
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.sp
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By default (\fB\-\-tar\-filter=auto\fP) Borg will detect whether the FILE should be compressed
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based on its file extension and pipe the tarball through an appropriate filter
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before writing it to FILE:
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.INDENT 0.0
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.IP \(bu 2
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\&.tar.gz or .tgz: gzip
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.IP \(bu 2
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\&.tar.bz2 or .tbz: bzip2
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.IP \(bu 2
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\&.tar.xz or .txz: xz
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.IP \(bu 2
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\&.tar.zstd: zstd
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.IP \(bu 2
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\&.tar.lz4: lz4
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.UNINDENT
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.sp
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Alternatively, a \fB\-\-tar\-filter\fP program may be explicitly specified. It should
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read the uncompressed tar stream from stdin and write a compressed/filtered
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tar stream to stdout.
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.sp
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The generated tarball uses the GNU tar format.
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.sp
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export\-tar is a lossy conversion:
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BSD flags, ACLs, extended attributes (xattrs), atime and ctime are not exported.
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Timestamp resolution is limited to whole seconds, not the nanosecond resolution
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otherwise supported by Borg.
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.sp
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A \fB\-\-sparse\fP option (as found in borg extract) is not supported.
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.sp
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By default the entire archive is extracted but a subset of files and directories
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can be selected by passing a list of \fBPATHs\fP as arguments.
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The file selection can further be restricted by using the \fB\-\-exclude\fP option.
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.sp
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For more help on include/exclude patterns, see the \fIborg_patterns\fP command output.
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.sp
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\fB\-\-progress\fP can be slower than no progress display, since it makes one additional
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pass over the archive metadata.
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.SH OPTIONS
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.sp
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See \fIborg\-common(1)\fP for common options of Borg commands.
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.SS arguments
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.INDENT 0.0
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.TP
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.B ARCHIVE
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archive to export
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.TP
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.B FILE
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output tar file. "\-" to write to stdout instead.
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.TP
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.B PATH
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paths to extract; patterns are supported
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.UNINDENT
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.SS optional arguments
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.INDENT 0.0
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.TP
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.B \-\-tar\-filter
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filter program to pipe data through
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.TP
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.B \-\-list
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output verbose list of items (files, dirs, ...)
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.UNINDENT
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.SS Exclusion options
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.INDENT 0.0
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.TP
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.BI \-e \ PATTERN\fR,\fB \ \-\-exclude \ PATTERN
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exclude paths matching PATTERN
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.TP
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.BI \-\-exclude\-from \ EXCLUDEFILE
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read exclude patterns from EXCLUDEFILE, one per line
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.TP
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.BI \-\-pattern \ PATTERN
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include/exclude paths matching PATTERN
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.TP
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.BI \-\-patterns\-from \ PATTERNFILE
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read include/exclude patterns from PATTERNFILE, one per line
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.TP
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.BI \-\-strip\-components \ NUMBER
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Remove the specified number of leading path elements. Paths with fewer elements will be silently skipped.
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.UNINDENT
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.SH EXAMPLES
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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# export as uncompressed tar
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$ borg export\-tar /path/to/repo::Monday Monday.tar
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# exclude some types, compress using gzip
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$ borg export\-tar /path/to/repo::Monday Monday.tar.gz \-\-exclude \(aq*.so\(aq
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# use higher compression level with gzip
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$ borg export\-tar \-\-tar\-filter="gzip \-9" testrepo::linux Monday.tar.gz
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# export a tar, but instead of storing it on disk,
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# upload it to a remote site using curl.
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$ borg export\-tar /path/to/repo::Monday \- | curl \-\-data\-binary @\- https://somewhere/to/POST
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# remote extraction via "tarpipe"
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$ borg export\-tar /path/to/repo::Monday \- | ssh somewhere "cd extracted; tar x"
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.SH SEE ALSO
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.sp
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\fIborg\-common(1)\fP
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.SH AUTHOR
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The Borg Collective
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.\" Generated by docutils manpage writer.
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