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git-diff-tree.html
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git-diff-tree.html
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<body>
<div id="header">
<h1>
git-diff-tree(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-diff-tree -
Compares the content and mode of blobs found via two tree objects
</p>
</div>
</div>
<div id="content">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<div class="verseblock-content"><em>git diff-tree</em> [--stdin] [-m] [-s] [-v] [--no-commit-id] [--pretty]
[-t] [-r] [-c | --cc] [--root] [<common diff options>]
<tree-ish> [<tree-ish>] [<path>…]</div>
<div class="verseblock-attribution">
</div></div>
</div>
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Compares the content and mode of the blobs found via two tree objects.</p></div>
<div class="paragraph"><p>If there is only one <tree-ish> given, the commit is compared with its parents
(see --stdin below).</p></div>
<div class="paragraph"><p>Note that <em>git diff-tree</em> can use the tree encapsulated in a commit object.</p></div>
</div>
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-p
</dt>
<dt class="hdlist1">
-u
</dt>
<dt class="hdlist1">
--patch
</dt>
<dd>
<p>
Generate patch (see section on generating patches).
</p>
</dd>
<dt class="hdlist1">
-U<n>
</dt>
<dt class="hdlist1">
--unified=<n>
</dt>
<dd>
<p>
Generate diffs with <n> lines of context instead of
the usual three.
Implies <tt>-p</tt>.
</p>
</dd>
<dt class="hdlist1">
--raw
</dt>
<dd>
<p>
Generate the raw format.
This is the default.
</p>
</dd>
<dt class="hdlist1">
--patch-with-raw
</dt>
<dd>
<p>
Synonym for <tt>-p --raw</tt>.
</p>
</dd>
<dt class="hdlist1">
--minimal
</dt>
<dd>
<p>
Spend extra time to make sure the smallest possible
diff is produced.
</p>
</dd>
<dt class="hdlist1">
--patience
</dt>
<dd>
<p>
Generate a diff using the "patience diff" algorithm.
</p>
</dd>
<dt class="hdlist1">
--histogram
</dt>
<dd>
<p>
Generate a diff using the "histogram diff" algorithm.
</p>
</dd>
<dt class="hdlist1">
--stat[=<width>[,<name-width>[,<count>]]]
</dt>
<dd>
<p>
Generate a diffstat. By default, as much space as necessary
will be used for the filename part, and the rest for the graph
part. Maximum width defaults to terminal width, or 80 columns
if not connected to a terminal, and can be overriden by
<tt><width></tt>. The width of the filename part can be limited by
giving another width <tt><name-width></tt> after a comma. The width
of the graph part can be limited by using
<tt>--stat-graph-width=<width></tt> (affects all commands generating
a stat graph) or by setting <tt>diff.statGraphWidth=<width></tt>
(does not affect <tt>git format-patch</tt>).
By giving a third parameter <tt><count></tt>, you can limit the
output to the first <tt><count></tt> lines, followed by <tt>...</tt> if
there are more.
</p>
<div class="paragraph"><p>These parameters can also be set individually with <tt>--stat-width=<width></tt>,
<tt>--stat-name-width=<name-width></tt> and <tt>--stat-count=<count></tt>.</p></div>
</dd>
<dt class="hdlist1">
--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 class="hdlist1">
--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 class="hdlist1">
--dirstat[=<param1,param2,…>]
</dt>
<dd>
<p>
Output the distribution of relative amount of changes for each
sub-directory. The behavior of <tt>--dirstat</tt> can be customized by
passing it a comma separated list of parameters.
The defaults are controlled by the <tt>diff.dirstat</tt> configuration
variable (see <a href="git-config.html">git-config(1)</a>).
The following parameters are available:
</p>
<div class="dlist"><dl>
<dt class="hdlist1">
<tt>changes</tt>
</dt>
<dd>
<p>
Compute the dirstat numbers by counting the lines that have been
removed from the source, or added to the destination. This ignores
the amount of pure code movements within a file. In other words,
rearranging lines in a file is not counted as much as other changes.
This is the default behavior when no parameter is given.
</p>
</dd>
<dt class="hdlist1">
<tt>lines</tt>
</dt>
<dd>
<p>
Compute the dirstat numbers by doing the regular line-based diff
analysis, and summing the removed/added line counts. (For binary
files, count 64-byte chunks instead, since binary files have no
natural concept of lines). This is a more expensive <tt>--dirstat</tt>
behavior than the <tt>changes</tt> behavior, but it does count rearranged
lines within a file as much as other changes. The resulting output
is consistent with what you get from the other <tt>--*stat</tt> options.
</p>
</dd>
<dt class="hdlist1">
<tt>files</tt>
</dt>
<dd>
<p>
Compute the dirstat numbers by counting the number of files changed.
Each changed file counts equally in the dirstat analysis. This is
the computationally cheapest <tt>--dirstat</tt> behavior, since it does
not have to look at the file contents at all.
</p>
</dd>
<dt class="hdlist1">
<tt>cumulative</tt>
</dt>
<dd>
<p>
Count changes in a child directory for the parent directory as well.
Note that when using <tt>cumulative</tt>, the sum of the percentages
reported may exceed 100%. The default (non-cumulative) behavior can
be specified with the <tt>noncumulative</tt> parameter.
</p>
</dd>
<dt class="hdlist1">
<limit>
</dt>
<dd>
<p>
An integer parameter specifies a cut-off percent (3% by default).
Directories contributing less than this percentage of the changes
are not shown in the output.
</p>
</dd>
</dl></div>
<div class="paragraph"><p>Example: The following will count changed files, while ignoring
directories with less than 10% of the total amount of changed files,
and accumulating child directory counts in the parent directories:
<tt>--dirstat=files,10,cumulative</tt>.</p></div>
</dd>
<dt class="hdlist1">
--summary
</dt>
<dd>
<p>
Output a condensed summary of extended header information
such as creations, renames and mode changes.
</p>
</dd>
<dt class="hdlist1">
--patch-with-stat
</dt>
<dd>
<p>
Synonym for <tt>-p --stat</tt>.
</p>
</dd>
<dt class="hdlist1">
-z
</dt>
<dd>
<p>
When <tt>--raw</tt>, <tt>--numstat</tt>, <tt>--name-only</tt> or <tt>--name-status</tt> has been
given, do not munge pathnames and use NULs as output field terminators.
</p>
<div class="paragraph"><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 class="hdlist1">
--name-only
</dt>
<dd>
<p>
Show only names of changed files.
</p>
</dd>
<dt class="hdlist1">
--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 class="hdlist1">
--submodule[=<format>]
</dt>
<dd>
<p>
Specify how differences in submodules are shown. When <tt>--submodule</tt>
or <tt>--submodule=log</tt> is given, the <em>log</em> format is used. This format lists
the commits in the range like <a href="git-submodule.html">git-submodule(1)</a> <tt>summary</tt> does.
Omitting the <tt>--submodule</tt> option or specifying <tt>--submodule=short</tt>,
uses the <em>short</em> format. This format just shows the names of the commits
at the beginning and end of the range.
</p>
</dd>
<dt class="hdlist1">
--color[=<when>]
</dt>
<dd>
<p>
Show colored diff.
The value must be <tt>always</tt> (the default for <tt><when></tt>), <tt>never</tt>, or <tt>auto</tt>.
The default value is <tt>never</tt>.
</p>
</dd>
<dt class="hdlist1">
--no-color
</dt>
<dd>
<p>
Turn off colored diff.
It is the same as <tt>--color=never</tt>.
</p>
</dd>
<dt class="hdlist1">
--word-diff[=<mode>]
</dt>
<dd>
<p>
Show a word diff, using the <mode> to delimit changed words.
By default, words are delimited by whitespace; see
<tt>--word-diff-regex</tt> below. The <mode> defaults to <em>plain</em>, and
must be one of:
</p>
<div class="dlist"><dl>
<dt class="hdlist1">
color
</dt>
<dd>
<p>
Highlight changed words using only colors. Implies <tt>--color</tt>.
</p>
</dd>
<dt class="hdlist1">
plain
</dt>
<dd>
<p>
Show words as <tt>[-removed-]</tt> and <tt>{+added+}</tt>. Makes no
attempts to escape the delimiters if they appear in the input,
so the output may be ambiguous.
</p>
</dd>
<dt class="hdlist1">
porcelain
</dt>
<dd>
<p>
Use a special line-based format intended for script
consumption. Added/removed/unchanged runs are printed in the
usual unified diff format, starting with a <tt>+</tt>/<tt>-</tt>/` `
character at the beginning of the line and extending to the
end of the line. Newlines in the input are represented by a
tilde <tt>~</tt> on a line of its own.
</p>
</dd>
<dt class="hdlist1">
none
</dt>
<dd>
<p>
Disable word diff again.
</p>
</dd>
</dl></div>
<div class="paragraph"><p>Note that despite the name of the first mode, color is used to
highlight the changed parts in all modes if enabled.</p></div>
</dd>
<dt class="hdlist1">
--word-diff-regex=<regex>
</dt>
<dd>
<p>
Use <regex> to decide what a word is, instead of considering
runs of non-whitespace to be a word. Also implies
<tt>--word-diff</tt> unless it was already enabled.
</p>
<div class="paragraph"><p>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="paragraph"><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 class="hdlist1">
--color-words[=<regex>]
</dt>
<dd>
<p>
Equivalent to <tt>--word-diff=color</tt> plus (if a regex was
specified) <tt>--word-diff-regex=<regex></tt>.
</p>
</dd>
<dt class="hdlist1">
--no-renames
</dt>
<dd>
<p>
Turn off rename detection, even when the configuration
file gives the default to do so.
</p>
</dd>
<dt class="hdlist1">
--check
</dt>
<dd>
<p>
Warn if changes introduce whitespace errors. What are
considered whitespace errors is controlled by <tt>core.whitespace</tt>
configuration. By default, trailing whitespaces (including
lines that solely consist of whitespaces) and a space character
that is immediately followed by a tab character inside the
initial indent of the line are considered whitespace errors.
Exits with non-zero status if problems are found. Not compatible
with --exit-code.
</p>
</dd>
<dt class="hdlist1">
--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 class="hdlist1">
--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 class="hdlist1">
--abbrev[=<n>]