borg/docs/man/borg-diff.1

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.TH "BORG-DIFF" "1" "2025-05-22" "" "borg backup tool"
.SH NAME
borg-diff \- Diff contents of two archives
.SH SYNOPSIS
.sp
borg [common options] diff [options] ARCHIVE1 ARCHIVE2 [PATH...]
.SH DESCRIPTION
.sp
This command finds differences (file contents, metadata) between ARCHIVE1 and ARCHIVE2.
.sp
For more help on include/exclude patterns, see the \fIborg_patterns\fP command output.
.SH OPTIONS
.sp
See \fIborg\-common(1)\fP for common options of Borg commands.
.SS arguments
.INDENT 0.0
.TP
.B ARCHIVE1
ARCHIVE1 name
.TP
.B ARCHIVE2
ARCHIVE2 name
.TP
.B PATH
paths of items inside the archives to compare; patterns are supported
.UNINDENT
.SS options
.INDENT 0.0
.TP
.B  \-\-numeric\-ids
only consider numeric user and group identifiers
.TP
.B  \-\-same\-chunker\-params
Override check of chunker parameters.
.TP
.B  \-\-sort
Sort the output lines by file path.
.TP
.BI \-\-format \ FORMAT
specify format for differences between archives (default: \(dq{change} {path}{NL}\(dq)
.TP
.B  \-\-json\-lines
Format output as JSON Lines.
.TP
.B  \-\-content\-only
Only compare differences in content (exclude metadata differences)
.UNINDENT
.SS Include/Exclude options
.INDENT 0.0
.TP
.BI \-e \ PATTERN\fR,\fB \ \-\-exclude \ PATTERN
exclude paths matching PATTERN
.TP
.BI \-\-exclude\-from \ EXCLUDEFILE
read exclude patterns from EXCLUDEFILE, one per line
.TP
.BI \-\-pattern \ PATTERN
include/exclude paths matching PATTERN
.TP
.BI \-\-patterns\-from \ PATTERNFILE
read include/exclude patterns from PATTERNFILE, one per line
.UNINDENT
.SH EXAMPLES
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.INDENT 3.5
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.EX
$ borg diff archive1 archive2
    +17 B      \-5 B [\-rw\-r\-\-r\-\- \-> \-rwxr\-xr\-x] file1
   +135 B    \-252 B file2
added           0 B file4
removed         0 B file3

$ borg diff archive1 archive2
{\(dqpath\(dq: \(dqfile1\(dq, \(dqchanges\(dq: [{\(dqtype\(dq: \(dqmodified\(dq, \(dqadded\(dq: 17, \(dqremoved\(dq: 5}, {\(dqtype\(dq: \(dqmode\(dq, \(dqold_mode\(dq: \(dq\-rw\-r\-\-r\-\-\(dq, \(dqnew_mode\(dq: \(dq\-rwxr\-xr\-x\(dq}]}
{\(dqpath\(dq: \(dqfile2\(dq, \(dqchanges\(dq: [{\(dqtype\(dq: \(dqmodified\(dq, \(dqadded\(dq: 135, \(dqremoved\(dq: 252}]}
{\(dqpath\(dq: \(dqfile4\(dq, \(dqchanges\(dq: [{\(dqtype\(dq: \(dqadded\(dq, \(dqsize\(dq: 0}]}
{\(dqpath\(dq: \(dqfile3\(dq, \(dqchanges\(dq: [{\(dqtype\(dq: \(dqremoved\(dq, \(dqsize\(dq: 0}]}
.EE
.UNINDENT
.UNINDENT
.SH NOTES
.SS The FORMAT specifier syntax
.sp
The \fB\-\-format\fP option uses python\(aqs format string syntax <https://docs.python.org/3.9/library/string.html#formatstrings>
\&.
.sp
Examples:
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.INDENT 3.5
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.EX
$ borg diff \-\-format \(aq{content:30} {path}{NL}\(aq ArchiveFoo ArchiveBar
modified:  +4.1 kB  \-1.0 kB    file\-diff
\&...

# {VAR:<NUMBER} \- pad to NUMBER columns left\-aligned.
# {VAR:>NUMBER} \- pad to NUMBER columns right\-aligned.
$ borg diff \-\-format \(aq{content:>30} {path}{NL}\(aq ArchiveFoo ArchiveBar
   modified:  +4.1 kB  \-1.0 kB file\-diff
\&...
.EE
.UNINDENT
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.sp
The following keys are always available:
.INDENT 0.0
.IP \(bu 2
NEWLINE: OS dependent line separator
.IP \(bu 2
NL: alias of NEWLINE
.IP \(bu 2
NUL: NUL character for creating print0 / xargs \-0 like output
.IP \(bu 2
SPACE: space character
.IP \(bu 2
TAB: tab character
.IP \(bu 2
CR: carriage return character
.IP \(bu 2
LF: line feed character
.UNINDENT
.sp
Keys available only when showing differences between archives:
.INDENT 0.0
.IP \(bu 2
path: archived file path
.IP \(bu 2
change: all available changes
.IP \(bu 2
content: file content change
.IP \(bu 2
mode: file mode change
.IP \(bu 2
type: file type change
.IP \(bu 2
owner: file owner (user/group) change
.IP \(bu 2
group: file group change
.IP \(bu 2
user: file user change
.IP \(bu 2
link: file link change
.IP \(bu 2
directory: file directory change
.IP \(bu 2
blkdev: file block device change
.IP \(bu 2
chrdev: file character device change
.IP \(bu 2
fifo: file fifo change
.IP \(bu 2
mtime: file modification time change
.IP \(bu 2
ctime: file change time change
.IP \(bu 2
isomtime: file modification time change (ISO 8601)
.IP \(bu 2
isoctime: file creation time change (ISO 8601)
.UNINDENT
.SH SEE ALSO
.sp
\fIborg\-common(1)\fP
.SH AUTHOR
The Borg Collective
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