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<title>git-diff-files(1)</title>
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<body>
<div id="header">
<h1>
git-diff-files(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-diff-files -
Compares files in the working tree and the index
</p>
</div>
</div>
<h2>SYNOPSIS</h2>
<div class="sectionbody">
<div class="para"><p><em>git diff-files</em> [-q] [-0|-1|-2|-3|-c|--cc] [<common diff options>] [<path>…]</p></div>
</div>
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="para"><p>Compares the files in the working tree and the index. When paths
are specified, compares only those named paths. Otherwise all
entries in the index are compared. The output format is the
same as for <em>git-diff-index</em> and <em>git-diff-tree</em>.</p></div>
</div>
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="vlist"><dl>
<dt>
-p
</dt>
<dt>
-u
</dt>
<dd>
<p>
Generate patch (see section on generating patches).
</p>
</dd>
<dt>
-U<n>
</dt>
<dt>
--unified=<n>
</dt>
<dd>
<p>
Generate diffs with <n> lines of context instead of
the usual three.
Implies <tt>-p</tt>.
</p>
</dd>
<dt>
--raw
</dt>
<dd>
<p>
Generate the raw format.
This is the default.
</p>
</dd>
<dt>
--patch-with-raw
</dt>
<dd>
<p>
Synonym for <tt>-p --raw</tt>.
</p>
</dd>
<dt>
--patience
</dt>
<dd>
<p>
Generate a diff using the "patience diff" algorithm.
</p>
</dd>
<dt>
--stat[=width[,name-width]]
</dt>
<dd>
<p>
Generate a diffstat. You can override the default
output width for 80-column terminal by <tt>--stat=width</tt>.
The width of the filename part can be controlled by
giving another width to it separated by a comma.
</p>
</dd>
<dt>
--numstat
</dt>
<dd>
<p>
Similar to <tt>--stat</tt>, but shows number of added and
deleted lines in decimal notation and pathname without
abbreviation, to make it more machine friendly. For
binary files, outputs two <tt>-</tt> instead of saying
<tt>0 0</tt>.
</p>
</dd>
<dt>
--shortstat
</dt>
<dd>
<p>
Output only the last line of the <tt>--stat</tt> format containing total
number of modified files, as well as number of added and deleted
lines.
</p>
</dd>
<dt>
--dirstat[=limit]
</dt>
<dd>
<p>
Output the distribution of relative amount of changes (number of lines added or
removed) for each sub-directory. Directories with changes below
a cut-off percent (3% by default) are not shown. The cut-off percent
can be set with <tt>--dirstat=limit</tt>. Changes in a child directory is not
counted for the parent directory, unless <tt>--cumulative</tt> is used.
</p>
</dd>
<dt>
--dirstat-by-file[=limit]
</dt>
<dd>
<p>
Same as <tt>--dirstat</tt>, but counts changed files instead of lines.
</p>
</dd>
<dt>
--summary
</dt>
<dd>
<p>
Output a condensed summary of extended header information
such as creations, renames and mode changes.
</p>
</dd>
<dt>
--patch-with-stat
</dt>
<dd>
<p>
Synonym for <tt>-p --stat</tt>.
</p>
</dd>
<dt>
-z
</dt>
<dd>
<p>
When <tt>--raw</tt> or <tt>--numstat</tt> has been given, do not munge
pathnames and use NULs as output field terminators.
</p>
<div class="para"><p>Without this option, each pathname output will have TAB, LF, double quotes,
and backslash characters replaced with <tt>\t</tt>, <tt>\n</tt>, <tt>\"</tt>, and <tt>\\</tt>,
respectively, and the pathname will be enclosed in double quotes if
any of those replacements occurred.</p></div>
</dd>
<dt>
--name-only
</dt>
<dd>
<p>
Show only names of changed files.
</p>
</dd>
<dt>
--name-status
</dt>
<dd>
<p>
Show only names and status of changed files. See the description
of the <tt>--diff-filter</tt> option on what the status letters mean.
</p>
</dd>
<dt>
--submodule[=<format>]
</dt>
<dd>
<p>
Chose the output format for submodule differences. <format> can be one of
<em>short</em> and <em>log</em>. <em>short</em> just shows pairs of commit names, this format
is used when this option is not given. <em>log</em> is the default value for this
option and lists the commits in that commit range like the <em>summary</em>
option of <a href="git-submodule.html">git-submodule(1)</a> does.
</p>
</dd>
<dt>
--color
</dt>
<dd>
<p>
Show colored diff.
</p>
</dd>
<dt>
--no-color
</dt>
<dd>
<p>
Turn off colored diff, even when the configuration file
gives the default to color output.
</p>
</dd>
<dt>
--color-words[=<regex>]
</dt>
<dd>
<p>
Show colored word diff, i.e., color words which have changed.
By default, words are separated by whitespace.
</p>
<div class="para"><p>When a <regex> is specified, every non-overlapping match of the
<regex> is considered a word. Anything between these matches is
considered whitespace and ignored(!) for the purposes of finding
differences. You may want to append <tt>|[^[:space:]]</tt> to your regular
expression to make sure that it matches all non-whitespace characters.
A match that contains a newline is silently truncated(!) at the
newline.</p></div>
<div class="para"><p>The regex can also be set via a diff driver or configuration option, see
<a href="gitattributes.html">gitattributes(1)</a> or <a href="git-config.html">git-config(1)</a>. Giving it explicitly
overrides any diff driver or configuration setting. Diff drivers
override configuration settings.</p></div>
</dd>
<dt>
--no-renames
</dt>
<dd>
<p>
Turn off rename detection, even when the configuration
file gives the default to do so.
</p>
</dd>
<dt>
--check
</dt>
<dd>
<p>
Warn if changes introduce trailing whitespace
or an indent that uses a space before a tab. Exits with
non-zero status if problems are found. Not compatible with
--exit-code.
</p>
</dd>
<dt>
--full-index
</dt>
<dd>
<p>
Instead of the first handful of characters, show the full
pre- and post-image blob object names on the "index"
line when generating patch format output.
</p>
</dd>
<dt>
--binary
</dt>
<dd>
<p>
In addition to <tt>--full-index</tt>, output a binary diff that
can be applied with <tt>git-apply</tt>.
</p>
</dd>
<dt>
--abbrev[=<n>]
</dt>
<dd>
<p>
Instead of showing the full 40-byte hexadecimal object
name in diff-raw format output and diff-tree header
lines, show only a partial prefix. This is
independent of the <tt>--full-index</tt> option above, which controls
the diff-patch output format. Non default number of
digits can be specified with <tt>--abbrev=<n></tt>.
</p>
</dd>
<dt>
-B
</dt>
<dd>
<p>
Break complete rewrite changes into pairs of delete and create.
</p>
</dd>
<dt>
-M
</dt>
<dd>
<p>
Detect renames.
</p>
</dd>
<dt>
-C
</dt>
<dd>
<p>
Detect copies as well as renames. See also <tt>--find-copies-harder</tt>.
</p>
</dd>
<dt>
--diff-filter=[ACDMRTUXB*]
</dt>
<dd>
<p>
Select only files that are Added (<tt>A</tt>), Copied (<tt>C</tt>),
Deleted (<tt>D</tt>), Modified (<tt>M</tt>), Renamed (<tt>R</tt>), have their
type (i.e. regular file, symlink, submodule, …) changed (<tt>T</tt>),
are Unmerged (<tt>U</tt>), are
Unknown (<tt>X</tt>), or have had their pairing Broken (<tt>B</tt>).
Any combination of the filter characters may be used.
When <tt>*</tt> (All-or-none) is added to the combination, all
paths are selected if there is any file that matches
other criteria in the comparison; if there is no file
that matches other criteria, nothing is selected.
</p>
</dd>
<dt>
--find-copies-harder
</dt>
<dd>
<p>
For performance reasons, by default, <tt>-C</tt> option finds copies only
if the original file of the copy was modified in the same
changeset. This flag makes the command
inspect unmodified files as candidates for the source of
copy. This is a very expensive operation for large
projects, so use it with caution. Giving more than one
<tt>-C</tt> option has the same effect.
</p>
</dd>
<dt>
-l<num>
</dt>
<dd>
<p>
The <tt>-M</tt> and <tt>-C</tt> options require O(n^2) processing time where n
is the number of potential rename/copy targets. This
option prevents rename/copy detection from running if
the number of rename/copy targets exceeds the specified
number.
</p>
</dd>
<dt>
-S<string>
</dt>
<dd>
<p>
Look for differences that introduce or remove an instance of
<string>. Note that this is different than the string simply
appearing in diff output; see the <em>pickaxe</em> entry in
<a href="gitdiffcore.html">gitdiffcore(7)</a> for more details.
</p>
</dd>
<dt>
--pickaxe-all
</dt>
<dd>
<p>
When <tt>-S</tt> finds a change, show all the changes in that
changeset, not just the files that contain the change
in <string>.
</p>
</dd>
<dt>
--pickaxe-regex
</dt>
<dd>
<p>
Make the <string> not a plain string but an extended POSIX
regex to match.
</p>
</dd>
<dt>
-O<orderfile>
</dt>
<dd>
<p>
Output the patch in the order specified in the
<orderfile>, which has one shell glob pattern per line.
</p>
</dd>
<dt>
-R
</dt>
<dd>
<p>
Swap two inputs; that is, show differences from index or
on-disk file to tree contents.
</p>
</dd>
<dt>
--relative[=<path>]
</dt>
<dd>
<p>
When run from a subdirectory of the project, it can be
told to exclude changes outside the directory and show
pathnames relative to it with this option. When you are
not in a subdirectory (e.g. in a bare repository), you
can name which subdirectory to make the output relative
to by giving a <path> as an argument.
</p>
</dd>
<dt>
-a
</dt>
<dt>
--text
</dt>
<dd>
<p>
Treat all files as text.
</p>
</dd>
<dt>
--ignore-space-at-eol
</dt>
<dd>
<p>
Ignore changes in whitespace at EOL.
</p>
</dd>
<dt>
-b
</dt>
<dt>
--ignore-space-change
</dt>
<dd>
<p>
Ignore changes in amount of whitespace. This ignores whitespace
at line end, and considers all other sequences of one or
more whitespace characters to be equivalent.
</p>
</dd>
<dt>
-w
</dt>
<dt>
--ignore-all-space
</dt>
<dd>
<p>
Ignore whitespace when comparing lines. This ignores
differences even if one line has whitespace where the other
line has none.
</p>
</dd>
<dt>
--inter-hunk-context=<lines>
</dt>
<dd>
<p>
Show the context between diff hunks, up to the specified number
of lines, thereby fusing hunks that are close to each other.
</p>
</dd>
<dt>
--exit-code
</dt>
<dd>
<p>
Make the program exit with codes similar to diff(1).
That is, it exits with 1 if there were differences and
0 means no differences.
</p>
</dd>
<dt>
--quiet
</dt>
<dd>
<p>
Disable all output of the program. Implies <tt>--exit-code</tt>.
</p>
</dd>
<dt>
--ext-diff
</dt>
<dd>
<p>
Allow an external diff helper to be executed. If you set an
external diff driver with <a href="gitattributes.html">gitattributes(5)</a>, you need
to use this option with <a href="git-log.html">git-log(1)</a> and friends.
</p>
</dd>
<dt>
--no-ext-diff
</dt>
<dd>
<p>
Disallow external diff drivers.
</p>
</dd>
<dt>
--ignore-submodules
</dt>
<dd>
<p>
Ignore changes to submodules in the diff generation.
</p>
</dd>
<dt>
--src-prefix=<prefix>
</dt>
<dd>
<p>
Show the given source prefix instead of "a/".
</p>
</dd>
<dt>
--dst-prefix=<prefix>
</dt>
<dd>
<p>
Show the given destination prefix instead of "b/".
</p>
</dd>
<dt>
--no-prefix
</dt>
<dd>
<p>
Do not show any source or destination prefix.
</p>
</dd>
</dl></div>
<div class="para"><p>For more detailed explanation on these common options, see also
<a href="gitdiffcore.html">gitdiffcore(7)</a>.</p></div>
<div class="vlist"><dl>
<dt>
-1 --base
</dt>
<dt>
-2 --ours
</dt>
<dt>
-3 --theirs
</dt>
<dt>
-0
</dt>
<dd>
<p>
Diff against the "base" version, "our branch" or "their
branch" respectively. With these options, diffs for
merged entries are not shown.
</p>
<div class="para"><p>The default is to diff against our branch (-2) and the
cleanly resolved paths. The option -0 can be given to
omit diff output for unmerged entries and just show "Unmerged".</p></div>
</dd>
<dt>
-c
</dt>
<dt>
--cc
</dt>
<dd>
<p>
This compares stage 2 (our branch), stage 3 (their
branch) and the working tree file and outputs a combined
diff, similar to the way <em>diff-tree</em> shows a merge
commit with these flags.
</p>
</dd>
<dt>
-q
</dt>
<dd>
<p>
Remain silent even on nonexistent files
</p>
</dd>
</dl></div>
</div>
<h2 id="_raw_output_format">Raw output format</h2>
<div class="sectionbody">
<div class="para"><p>The raw output format from "git-diff-index", "git-diff-tree",
"git-diff-files" and "git diff --raw" are very similar.</p></div>
<div class="para"><p>These commands all compare two sets of things; what is
compared differs:</p></div>
<div class="vlist"><dl>
<dt>
git-diff-index <tree-ish>
</dt>
<dd>
<p>
compares the <tree-ish> and the files on the filesystem.
</p>
</dd>
<dt>
git-diff-index --cached <tree-ish>
</dt>
<dd>
<p>
compares the <tree-ish> and the index.
</p>
</dd>
<dt>
git-diff-tree [-r] <tree-ish-1> <tree-ish-2> [<pattern>…]
</dt>
<dd>
<p>
compares the trees named by the two arguments.
</p>
</dd>
<dt>
git-diff-files [<pattern>…]
</dt>
<dd>
<p>
compares the index and the files on the filesystem.
</p>
</dd>
</dl></div>
<div class="para"><p>The "git-diff-tree" command begins its ouput by printing the hash of
what is being compared. After that, all the commands print one output
line per changed file.</p></div>
<div class="para"><p>An output line is formatted this way:</p></div>
<div class="listingblock">
<div class="content">
<pre><tt>in-place edit :100644 100644 bcd1234... 0123456... M file0
copy-edit :100644 100644 abcd123... 1234567... C68 file1 file2
rename-edit :100644 100644 abcd123... 1234567... R86 file1 file3
create :000000 100644 0000000... 1234567... A file4
delete :100644 000000 1234567... 0000000... D file5
unmerged :000000 000000 0000000... 0000000... U file6</tt></pre>
</div></div>
<div class="para"><p>That is, from the left to the right:</p></div>
<div class="olist"><ol>
<li>
<p>
a colon.
</p>
</li>
<li>
<p>
mode for "src"; 000000 if creation or unmerged.
</p>
</li>
<li>
<p>
a space.
</p>
</li>
<li>
<p>
mode for "dst"; 000000 if deletion or unmerged.
</p>
</li>
<li>
<p>
a space.
</p>
</li>
<li>
<p>
sha1 for "src"; 0{40} if creation or unmerged.
</p>
</li>
<li>
<p>
a space.
</p>
</li>
<li>
<p>
sha1 for "dst"; 0{40} if creation, unmerged or "look at work tree".
</p>
</li>
<li>
<p>
a space.
</p>
</li>
<li>
<p>
status, followed by optional "score" number.
</p>
</li>
<li>
<p>
a tab or a NUL when <em>-z</em> option is used.
</p>
</li>
<li>
<p>
path for "src"
</p>
</li>