git-apply.html - external/gitster/git-htmldocs - Git at Google

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 <title>git-apply(1)</title>
 </head>
 <body>
 <div id="header">
 <h1>
 git-apply(1) Manual Page
 </h1>
 <h2>NAME</h2>
 <div class="sectionbody">
 <p>git-apply -
  Apply a patch on a git index file and a working tree
 </p>
 </div>
 </div>
 <h2>SYNOPSIS</h2>
 <div class="sectionbody">
 <div class="verseblock">
 <div class="content"><em>git-apply</em> [--stat] [--numstat] [--summary] [--check] [--index]
  [--apply] [--no-add] [--build-fake-ancestor &lt;file&gt;] [-R | --reverse]
  [--allow-binary-replacement | --binary] [--reject] [-z]
  [-pNUM] [-CNUM] [--inaccurate-eof] [--cached]
  [--whitespace=&lt;nowarn|warn|fix|error|error-all&gt;]
  [--exclude=PATH] [--verbose] [&lt;patch&gt;&#8230;]</div></div>
 </div>
 <h2>DESCRIPTION</h2>
 <div class="sectionbody">
 <p>Reads supplied diff output and applies it on a git index file
 and a work tree.</p>
 </div>
 <h2>OPTIONS</h2>
 <div class="sectionbody">
 <dl>
 <dt>
 &lt;patch&gt;&#8230;
 </dt>
 <dd>
 <p>
  The files to read patch from. <em>-</em> can be used to read
  from the standard input.
 </p>
 </dd>
 <dt>
 --stat
 </dt>
 <dd>
 <p>
  Instead of applying the patch, output diffstat for the
  input. Turns off "apply".
 </p>
 </dd>
 <dt>
 --numstat
 </dt>
 <dd>
 <p>
  Similar to --stat, 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>. Turns off "apply".
 </p>
 </dd>
 <dt>
 --summary
 </dt>
 <dd>
 <p>
  Instead of applying the patch, output a condensed
  summary of information obtained from git diff extended
  headers, such as creations, renames and mode changes.
  Turns off "apply".
 </p>
 </dd>
 <dt>
 --check
 </dt>
 <dd>
 <p>
  Instead of applying the patch, see if the patch is
  applicable to the current work tree and/or the index
  file and detects errors. Turns off "apply".
 </p>
 </dd>
 <dt>
 --index
 </dt>
 <dd>
 <p>
  When --check is in effect, or when applying the patch
  (which is the default when none of the options that
  disables it is in effect), make sure the patch is
  applicable to what the current index file records. If
  the file to be patched in the work tree is not
  up-to-date, it is flagged as an error. This flag also
  causes the index file to be updated.
 </p>
 </dd>
 <dt>
 --cached
 </dt>
 <dd>
 <p>
  Apply a patch without touching the working tree. Instead, take the
  cached data, apply the patch, and store the result in the index,
  without using the working tree. This implies <em>--index</em>.
 </p>
 </dd>
 <dt>
 --build-fake-ancestor &lt;file&gt;
 </dt>
 <dd>
 <p>
  Newer git-diff output has embedded <em>index information</em>
  for each blob to help identify the original version that
  the patch applies to. When this flag is given, and if
  the original versions of the blobs is available locally,
  builds a temporary index containing those blobs.
 </p>
 <p>When a pure mode change is encountered (which has no index information),
 the information is read from the current index instead.</p>
 </dd>
 <dt>
 -R
 </dt>
 <dt>
 --reverse
 </dt>
 <dd>
 <p>
  Apply the patch in reverse.
 </p>
 </dd>
 <dt>
 --reject
 </dt>
 <dd>
 <p>
  For atomicity, <a href="git-apply.html">git-apply(1)</a> by default fails the whole patch and
  does not touch the working tree when some of the hunks
  do not apply. This option makes it apply
  the parts of the patch that are applicable, and leave the
  rejected hunks in corresponding *.rej files.
 </p>
 </dd>
 <dt>
 -z
 </dt>
 <dd>
 <p>
  When showing the index information, do not munge paths,
  but use NUL terminated machine readable format. Without
  this flag, the pathnames output will have TAB, LF, and
  backslash characters replaced with <tt>\t</tt>, <tt>\n</tt>, and <tt>\\</tt>,
  respectively.
 </p>
 </dd>
 <dt>
 -p&lt;n&gt;
 </dt>
 <dd>
 <p>
  Remove &lt;n&gt; leading slashes from traditional diff paths. The
  default is 1.
 </p>
 </dd>
 <dt>
 -C&lt;n&gt;
 </dt>
 <dd>
 <p>
  Ensure at least &lt;n&gt; lines of surrounding context match before
  and after each change. When fewer lines of surrounding
  context exist they all must match. By default no context is
  ever ignored.
 </p>
 </dd>
 <dt>
 --unidiff-zero
 </dt>
 <dd>
 <p>
  By default, <a href="git-apply.html">git-apply(1)</a> expects that the patch being
  applied is a unified diff with at least one line of context.
  This provides good safety measures, but breaks down when
  applying a diff generated with --unified=0. To bypass these
  checks use <em>--unidiff-zero</em>.
 </p>
 <p>Note, for the reasons stated above usage of context-free patches are
 discouraged.</p>
 </dd>
 <dt>
 --apply
 </dt>
 <dd>
 <p>
  If you use any of the options marked "Turns off
  <em>apply</em>" above, <a href="git-apply.html">git-apply(1)</a> reads and outputs the
  information you asked without actually applying the
  patch. Give this flag after those flags to also apply
  the patch.
 </p>
 </dd>
 <dt>
 --no-add
 </dt>
 <dd>
 <p>
  When applying a patch, ignore additions made by the
  patch. This can be used to extract the common part between
  two files by first running <tt>diff</tt> on them and applying
  the result with this option, which would apply the
  deletion part but not addition part.
 </p>
 </dd>
 <dt>
 --allow-binary-replacement
 </dt>
 <dt>
 --binary
 </dt>
 <dd>
 <p>
  Historically we did not allow binary patch applied
  without an explicit permission from the user, and this
  flag was the way to do so. Currently we always allow binary
  patch application, so this is a no-op.
 </p>
 </dd>
 <dt>
 --exclude=&lt;path-pattern&gt;
 </dt>
 <dd>
 <p>
  Don't apply changes to files matching the given path pattern. This can
  be useful when importing patchsets, where you want to exclude certain
  files or directories.
 </p>
 </dd>
 <dt>
 --whitespace=&lt;action&gt;
 </dt>
 <dd>
 <p>
  When applying a patch, detect a new or modified line that has
  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.
 </p>
 <p>By default, the command outputs warning messages but applies the patch.
 When <a href="git-apply.html">git-apply(1)</a> is used for statistics and not applying a
 patch, it defaults to <tt>nowarn</tt>.</p>
 <p>You can use different <tt>&lt;action&gt;</tt> to control this
 behavior:</p>
 <ul>
 <li>
 <p>
 <tt>nowarn</tt> turns off the trailing whitespace warning.
 </p>
 </li>
 <li>
 <p>
 <tt>warn</tt> outputs warnings for a few such errors, but applies the
  patch as-is (default).
 </p>
 </li>
 <li>
 <p>
 <tt>fix</tt> outputs warnings for a few such errors, and applies the
  patch after fixing them (<tt>strip</tt> is a synonym --- the tool
  used to consider only trailing whitespaces as errors, and the
  fix involved <em>stripping</em> them, but modern gits do more).
 </p>
 </li>
 <li>
 <p>
 <tt>error</tt> outputs warnings for a few such errors, and refuses
  to apply the patch.
 </p>
 </li>
 <li>
 <p>
 <tt>error-all</tt> is similar to <tt>error</tt> but shows all errors.
 </p>
 </li>
 </ul>
 </dd>
 <dt>
 --inaccurate-eof
 </dt>
 <dd>
 <p>
  Under certain circumstances, some versions of diff do not correctly
  detect a missing new-line at the end of the file. As a result, patches
  created by such diff programs do not record incomplete lines
  correctly. This option adds support for applying such patches by
  working around this bug.
 </p>
 </dd>
 <dt>
 -v
 </dt>
 <dt>
 --verbose
 </dt>
 <dd>
 <p>
  Report progress to stderr. By default, only a message about the
  current patch being applied will be printed. This option will cause
  additional information to be reported.
 </p>
 </dd>
 </dl>
 </div>
 <h2>Configuration</h2>
 <div class="sectionbody">
 <dl>
 <dt>
 apply.whitespace
 </dt>
 <dd>
 <p>
  When no <tt>--whitespace</tt> flag is given from the command
  line, this configuration item is used as the default.
 </p>
 </dd>
 </dl>
 </div>
 <h2>Submodules</h2>
 <div class="sectionbody">
 <p>If the patch contains any changes to submodules then <a href="git-apply.html">git-apply(1)</a>
 treats these changes as follows.</p>
 <p>If --index is specified (explicitly or implicitly), then the submodule
 commits must match the index exactly for the patch to apply. If any
 of the submodules are checked-out, then these check-outs are completely
 ignored, i.e., they are not required to be up-to-date or clean and they
 are not updated.</p>
 <p>If --index is not specified, then the submodule commits in the patch
 are ignored and only the absence of presence of the corresponding
 subdirectory is checked and (if possible) updated.</p>
 </div>
 <h2>Author</h2>
 <div class="sectionbody">
 <p>Written by Linus Torvalds &lt;torvalds@osdl.org&gt;</p>
 </div>
 <h2>Documentation</h2>
 <div class="sectionbody">
 <p>Documentation by Junio C Hamano</p>
 </div>
 <h2>GIT</h2>
 <div class="sectionbody">
 <p>Part of the <a href="git.html">git(1)</a> suite</p>
 </div>
 <div id="footer">
 <div id="footer-text">
 Last updated 08-Jun-2008 22:46:18 UTC
 </div>
 </div>
 </body>
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	<title>git-apply(1)</title>
	</head>
	<body>
	<div id="header">
	<h1>
	git-apply(1) Manual Page
	</h1>
	<h2>NAME</h2>
	<div class="sectionbody">
	<p>git-apply -
	Apply a patch on a git index file and a working tree
	</p>
	</div>
	</div>
	<h2>SYNOPSIS</h2>
	<div class="sectionbody">
	<div class="verseblock">
	<div class="content"><em>git-apply</em> [--stat] [--numstat] [--summary] [--check] [--index]
	[--apply] [--no-add] [--build-fake-ancestor <file>] [-R \| --reverse]
	[--allow-binary-replacement \| --binary] [--reject] [-z]
	[-pNUM] [-CNUM] [--inaccurate-eof] [--cached]
	[--whitespace=<nowarn\|warn\|fix\|error\|error-all>]
	[--exclude=PATH] [--verbose] [<patch>…]</div></div>
	</div>
	<h2>DESCRIPTION</h2>
	<div class="sectionbody">
	<p>Reads supplied diff output and applies it on a git index file
	and a work tree.</p>
	</div>
	<h2>OPTIONS</h2>
	<div class="sectionbody">
	<dl>
	<dt>
	<patch>…
	</dt>
	<dd>
	<p>
	The files to read patch from. <em>-</em> can be used to read
	from the standard input.
	</p>
	</dd>
	<dt>
	--stat
	</dt>
	<dd>
	<p>
	Instead of applying the patch, output diffstat for the
	input. Turns off "apply".
	</p>
	</dd>
	<dt>
	--numstat
	</dt>
	<dd>
	<p>
	Similar to --stat, 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>. Turns off "apply".
	</p>
	</dd>
	<dt>
	--summary
	</dt>
	<dd>
	<p>
	Instead of applying the patch, output a condensed
	summary of information obtained from git diff extended
	headers, such as creations, renames and mode changes.
	Turns off "apply".
	</p>
	</dd>
	<dt>
	--check
	</dt>
	<dd>
	<p>
	Instead of applying the patch, see if the patch is
	applicable to the current work tree and/or the index
	file and detects errors. Turns off "apply".
	</p>
	</dd>
	<dt>
	--index
	</dt>
	<dd>
	<p>
	When --check is in effect, or when applying the patch
	(which is the default when none of the options that
	disables it is in effect), make sure the patch is
	applicable to what the current index file records. If
	the file to be patched in the work tree is not
	up-to-date, it is flagged as an error. This flag also
	causes the index file to be updated.
	</p>
	</dd>
	<dt>
	--cached
	</dt>
	<dd>
	<p>
	Apply a patch without touching the working tree. Instead, take the
	cached data, apply the patch, and store the result in the index,
	without using the working tree. This implies <em>--index</em>.
	</p>
	</dd>
	<dt>
	--build-fake-ancestor <file>
	</dt>
	<dd>
	<p>
	Newer git-diff output has embedded <em>index information</em>
	for each blob to help identify the original version that
	the patch applies to. When this flag is given, and if
	the original versions of the blobs is available locally,
	builds a temporary index containing those blobs.
	</p>
	<p>When a pure mode change is encountered (which has no index information),
	the information is read from the current index instead.</p>
	</dd>
	<dt>
	-R
	</dt>
	<dt>
	--reverse
	</dt>
	<dd>
	<p>
	Apply the patch in reverse.
	</p>
	</dd>
	<dt>
	--reject
	</dt>
	<dd>
	<p>
	For atomicity, <a href="git-apply.html">git-apply(1)</a> by default fails the whole patch and
	does not touch the working tree when some of the hunks
	do not apply. This option makes it apply
	the parts of the patch that are applicable, and leave the
	rejected hunks in corresponding *.rej files.
	</p>
	</dd>
	<dt>
	-z
	</dt>
	<dd>
	<p>
	When showing the index information, do not munge paths,
	but use NUL terminated machine readable format. Without
	this flag, the pathnames output will have TAB, LF, and
	backslash characters replaced with <tt>\t</tt>, <tt>\n</tt>, and <tt>\\</tt>,
	respectively.
	</p>
	</dd>
	<dt>
	-p<n>
	</dt>
	<dd>
	<p>
	Remove <n> leading slashes from traditional diff paths. The
	default is 1.
	</p>
	</dd>
	<dt>
	-C<n>
	</dt>
	<dd>
	<p>
	Ensure at least <n> lines of surrounding context match before
	and after each change. When fewer lines of surrounding
	context exist they all must match. By default no context is
	ever ignored.
	</p>
	</dd>
	<dt>
	--unidiff-zero
	</dt>
	<dd>
	<p>
	By default, <a href="git-apply.html">git-apply(1)</a> expects that the patch being
	applied is a unified diff with at least one line of context.
	This provides good safety measures, but breaks down when
	applying a diff generated with --unified=0. To bypass these
	checks use <em>--unidiff-zero</em>.
	</p>
	<p>Note, for the reasons stated above usage of context-free patches are
	discouraged.</p>
	</dd>
	<dt>
	--apply
	</dt>
	<dd>
	<p>
	If you use any of the options marked "Turns off
	<em>apply</em>" above, <a href="git-apply.html">git-apply(1)</a> reads and outputs the
	information you asked without actually applying the
	patch. Give this flag after those flags to also apply
	the patch.
	</p>
	</dd>
	<dt>
	--no-add
	</dt>
	<dd>
	<p>
	When applying a patch, ignore additions made by the
	patch. This can be used to extract the common part between
	two files by first running <tt>diff</tt> on them and applying
	the result with this option, which would apply the
	deletion part but not addition part.
	</p>
	</dd>
	<dt>
	--allow-binary-replacement
	</dt>
	<dt>
	--binary
	</dt>
	<dd>
	<p>
	Historically we did not allow binary patch applied
	without an explicit permission from the user, and this
	flag was the way to do so. Currently we always allow binary
	patch application, so this is a no-op.
	</p>
	</dd>
	<dt>
	--exclude=<path-pattern>
	</dt>
	<dd>
	<p>
	Don't apply changes to files matching the given path pattern. This can
	be useful when importing patchsets, where you want to exclude certain
	files or directories.
	</p>
	</dd>
	<dt>
	--whitespace=<action>
	</dt>
	<dd>
	<p>
	When applying a patch, detect a new or modified line that has
	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.
	</p>
	<p>By default, the command outputs warning messages but applies the patch.
	When <a href="git-apply.html">git-apply(1)</a> is used for statistics and not applying a
	patch, it defaults to <tt>nowarn</tt>.</p>
	<p>You can use different <tt><action></tt> to control this
	behavior:</p>
	<ul>
	<li>
	<p>
	<tt>nowarn</tt> turns off the trailing whitespace warning.
	</p>
	</li>
	<li>
	<p>
	<tt>warn</tt> outputs warnings for a few such errors, but applies the
	patch as-is (default).
	</p>
	</li>
	<li>
	<p>
	<tt>fix</tt> outputs warnings for a few such errors, and applies the
	patch after fixing them (<tt>strip</tt> is a synonym --- the tool
	used to consider only trailing whitespaces as errors, and the
	fix involved <em>stripping</em> them, but modern gits do more).
	</p>
	</li>
	<li>
	<p>
	<tt>error</tt> outputs warnings for a few such errors, and refuses
	to apply the patch.
	</p>
	</li>
	<li>
	<p>
	<tt>error-all</tt> is similar to <tt>error</tt> but shows all errors.
	</p>
	</li>
	</ul>
	</dd>
	<dt>
	--inaccurate-eof
	</dt>
	<dd>
	<p>
	Under certain circumstances, some versions of diff do not correctly
	detect a missing new-line at the end of the file. As a result, patches
	created by such diff programs do not record incomplete lines
	correctly. This option adds support for applying such patches by
	working around this bug.
	</p>
	</dd>
	<dt>
	-v
	</dt>
	<dt>
	--verbose
	</dt>
	<dd>
	<p>
	Report progress to stderr. By default, only a message about the
	current patch being applied will be printed. This option will cause
	additional information to be reported.
	</p>
	</dd>
	</dl>
	</div>
	<h2>Configuration</h2>
	<div class="sectionbody">
	<dl>
	<dt>
	apply.whitespace
	</dt>
	<dd>
	<p>
	When no <tt>--whitespace</tt> flag is given from the command
	line, this configuration item is used as the default.
	</p>
	</dd>
	</dl>
	</div>
	<h2>Submodules</h2>
	<div class="sectionbody">
	<p>If the patch contains any changes to submodules then <a href="git-apply.html">git-apply(1)</a>
	treats these changes as follows.</p>
	<p>If --index is specified (explicitly or implicitly), then the submodule
	commits must match the index exactly for the patch to apply. If any
	of the submodules are checked-out, then these check-outs are completely
	ignored, i.e., they are not required to be up-to-date or clean and they
	are not updated.</p>
	<p>If --index is not specified, then the submodule commits in the patch
	are ignored and only the absence of presence of the corresponding
	subdirectory is checked and (if possible) updated.</p>
	</div>
	<h2>Author</h2>
	<div class="sectionbody">
	<p>Written by Linus Torvalds <torvalds@osdl.org></p>
	</div>
	<h2>Documentation</h2>
	<div class="sectionbody">
	<p>Documentation by Junio C Hamano</p>
	</div>
	<h2>GIT</h2>
	<div class="sectionbody">
	<p>Part of the <a href="git.html">git(1)</a> suite</p>
	</div>
	<div id="footer">
	<div id="footer-text">
	Last updated 08-Jun-2008 22:46:18 UTC
	</div>
	</div>
	</body>
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