git-checkout-index.html

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 442 <div id="header">
 443 <h1>git-checkout-index(1) Manual Page</h1>
 444 <h2 id="_name">NAME</h2>
 445 <div class="sectionbody">
 446 <p>git-checkout-index - Copy files from the index to the working tree</p>
 447 </div>
 448 </div>
 449 <div id="content">
 450 <div class="sect1">
 451 <h2 id="_synopsis">SYNOPSIS</h2>
 452 <div class="sectionbody">
 453 <div class="verseblock">
 454 <pre class="content"><em>git checkout-index</em> [-u] [-q] [-a] [-f] [-n] [--prefix=&lt;string&gt;]
 455                    [--stage=&lt;number&gt;|all]
 456                    [--temp]
 457                    [--ignore-skip-worktree-bits]
 458                    [-z] [--stdin]
 459                    [--] [&lt;file&gt;&#8230;&#8203;]</pre>
 460 </div>
 461 </div>
 462 </div>
 463 <div class="sect1">
 464 <h2 id="_description">DESCRIPTION</h2>
 465 <div class="sectionbody">
 466 <div class="paragraph">
 467 <p>Copies all listed files from the index to the working directory
 468 (not overwriting existing files).</p>
 469 </div>
 470 </div>
 471 </div>
 472 <div class="sect1">
 473 <h2 id="_options">OPTIONS</h2>
 474 <div class="sectionbody">
 475 <div class="dlist">
 476 <dl>
 477 <dt class="hdlist1">-u</dt>
 478 <dt class="hdlist1">--index</dt>
 479 <dd>
 480 <p>update stat information for the checked out entries in
 481 the index file.</p>
 482 </dd>
 483 <dt class="hdlist1">-q</dt>
 484 <dt class="hdlist1">--quiet</dt>
 485 <dd>
 486 <p>be quiet if files exist or are not in the index</p>
 487 </dd>
 488 <dt class="hdlist1">-f</dt>
 489 <dt class="hdlist1">--force</dt>
 490 <dd>
 491 <p>forces overwrite of existing files</p>
 492 </dd>
 493 <dt class="hdlist1">-a</dt>
 494 <dt class="hdlist1">--all</dt>
 495 <dd>
 496 <p>checks out all files in the index except for those with the
 497 skip-worktree bit set (see <code>--ignore-skip-worktree-bits</code>).
 498 Cannot be used together with explicit filenames.</p>
 499 </dd>
 500 <dt class="hdlist1">-n</dt>
 501 <dt class="hdlist1">--no-create</dt>
 502 <dd>
 503 <p>Don&#8217;t checkout new files, only refresh files already checked
 504 out.</p>
 505 </dd>
 506 <dt class="hdlist1">--prefix=&lt;string&gt;</dt>
 507 <dd>
 508 <p>When creating files, prepend &lt;string&gt; (usually a directory
 509 including a trailing /)</p>
 510 </dd>
 511 <dt class="hdlist1">--stage=&lt;number&gt;|all</dt>
 512 <dd>
 513 <p>Instead of checking out unmerged entries, copy out the
 514 files from the named stage.  &lt;number&gt; must be between 1 and 3.
 515 Note: --stage=all automatically implies --temp.</p>
 516 </dd>
 517 <dt class="hdlist1">--temp</dt>
 518 <dd>
 519 <p>Instead of copying the files to the working directory,
 520 write the content to temporary files.  The temporary name
 521 associations will be written to stdout.</p>
 522 </dd>
 523 <dt class="hdlist1">--ignore-skip-worktree-bits</dt>
 524 <dd>
 525 <p>Check out all files, including those with the skip-worktree bit
 526 set.</p>
 527 </dd>
 528 <dt class="hdlist1">--stdin</dt>
 529 <dd>
 530 <p>Instead of taking a list of paths from the command line,
 531 read the list of paths from the standard input.  Paths are
 532 separated by LF (i.e. one path per line) by default.</p>
 533 </dd>
 534 <dt class="hdlist1">-z</dt>
 535 <dd>
 536 <p>Only meaningful with <code>--stdin</code>; paths are separated with
 537 NUL character instead of LF.</p>
 538 </dd>
 539 <dt class="hdlist1">--</dt>
 540 <dd>
 541 <p>Do not interpret any more arguments as options.</p>
 542 </dd>
 543 </dl>
 544 </div>
 545 <div class="paragraph">
 546 <p>The order of the flags used to matter, but not anymore.</p>
 547 </div>
 548 <div class="paragraph">
 549 <p>Just doing <code>git checkout-index</code> does nothing. You probably meant
 550 <code>git checkout-index -a</code>. And if you want to force it, you want
 551 <code>git checkout-index -f -a</code>.</p>
 552 </div>
 553 <div class="paragraph">
 554 <p>Intuitiveness is not the goal here. Repeatability is. The reason for
 555 the "no arguments means no work" behavior is that from scripts you are
 556 supposed to be able to do:</p>
 557 </div>
 558 <div class="listingblock">
 559 <div class="content">
 560 <pre>$ find . -name '*.h' -print0 | xargs -0 git checkout-index -f --</pre>
 561 </div>
 562 </div>
 563 <div class="paragraph">
 564 <p>which will force all existing <code>*.h</code> files to be replaced with their
 565 cached copies. If an empty command line implied "all", then this would
 566 force-refresh everything in the index, which was not the point.  But
 567 since <em>git checkout-index</em> accepts --stdin it would be faster to use:</p>
 568 </div>
 569 <div class="listingblock">
 570 <div class="content">
 571 <pre>$ find . -name '*.h' -print0 | git checkout-index -f -z --stdin</pre>
 572 </div>
 573 </div>
 574 <div class="paragraph">
 575 <p>The <code>--</code> is just a good idea when you know the rest will be filenames;
 576 it will prevent problems with a filename of, for example,  <code>-a</code>.
 577 Using <code>--</code> is probably a good policy in scripts.</p>
 578 </div>
 579 </div>
 580 </div>
 581 <div class="sect1">
 582 <h2 id="_using_temp_or_stageall">Using --temp or --stage=all</h2>
 583 <div class="sectionbody">
 584 <div class="paragraph">
 585 <p>When <code>--temp</code> is used (or implied by <code>--stage=all</code>)
 586 <em>git checkout-index</em> will create a temporary file for each index
 587 entry being checked out.  The index will not be updated with stat
 588 information.  These options can be useful if the caller needs all
 589 stages of all unmerged entries so that the unmerged files can be
 590 processed by an external merge tool.</p>
 591 </div>
 592 <div class="paragraph">
 593 <p>A listing will be written to stdout providing the association of
 594 temporary file names to tracked path names.  The listing format
 595 has two variations:</p>
 596 </div>
 597 <div class="olist arabic">
 598 <ol class="arabic">
 599 <li>
 600 <p>tempname TAB path RS</p>
 601 <div class="paragraph">
 602 <p>The first format is what gets used when <code>--stage</code> is omitted or
 603 is not <code>--stage=all</code>. The field tempname is the temporary file
 604 name holding the file content and path is the tracked path name in
 605 the index.  Only the requested entries are output.</p>
 606 </div>
 607 </li>
 608 <li>
 609 <p>stage1temp SP stage2temp SP stage3tmp TAB path RS</p>
 610 <div class="paragraph">
 611 <p>The second format is what gets used when <code>--stage=all</code>.  The three
 612 stage temporary fields (stage1temp, stage2temp, stage3temp) list the
 613 name of the temporary file if there is a stage entry in the index
 614 or <code>.</code> if there is no stage entry.  Paths which only have a stage 0
 615 entry will always be omitted from the output.</p>
 616 </div>
 617 </li>
 618 </ol>
 619 </div>
 620 <div class="paragraph">
 621 <p>In both formats RS (the record separator) is newline by default
 622 but will be the null byte if -z was passed on the command line.
 623 The temporary file names are always safe strings; they will never
 624 contain directory separators or whitespace characters.  The path
 625 field is always relative to the current directory and the temporary
 626 file names are always relative to the top level directory.</p>
 627 </div>
 628 <div class="paragraph">
 629 <p>If the object being copied out to a temporary file is a symbolic
 630 link the content of the link will be written to a normal file.  It is
 631 up to the end-user or the Porcelain to make use of this information.</p>
 632 </div>
 633 </div>
 634 </div>
 635 <div class="sect1">
 636 <h2 id="_examples">EXAMPLES</h2>
 637 <div class="sectionbody">
 638 <div class="dlist">
 639 <dl>
 640 <dt class="hdlist1">To update and refresh only the files already checked out</dt>
 641 <dd>
 642 <div class="listingblock">
 643 <div class="content">
 644 <pre>$ git checkout-index -n -f -a &amp;&amp; git update-index --ignore-missing --refresh</pre>
 645 </div>
 646 </div>
 647 </dd>
 648 <dt class="hdlist1">Using <em>git checkout-index</em> to "export an entire tree"</dt>
 649 <dd>
 650 <p>The prefix ability basically makes it trivial to use
 651 <em>git checkout-index</em> as an "export as tree" function.
 652 Just read the desired tree into the index, and do:</p>
 653 <div class="listingblock">
 654 <div class="content">
 655 <pre>$ git checkout-index --prefix=git-export-dir/ -a</pre>
 656 </div>
 657 </div>
 658 <div class="paragraph">
 659 <p><code>git checkout-index</code> will "export" the index into the specified
 660 directory.</p>
 661 </div>
 662 <div class="paragraph">
 663 <p>The final "/" is important. The exported name is literally just
 664 prefixed with the specified string.  Contrast this with the
 665 following example.</p>
 666 </div>
 667 </dd>
 668 <dt class="hdlist1">Export files with a prefix</dt>
 669 <dd>
 670 <div class="listingblock">
 671 <div class="content">
 672 <pre>$ git checkout-index --prefix=.merged- Makefile</pre>
 673 </div>
 674 </div>
 675 <div class="paragraph">
 676 <p>This will check out the currently cached copy of <code>Makefile</code>
 677 into the file <code>.merged-Makefile</code>.</p>
 678 </div>
 679 </dd>
 680 </dl>
 681 </div>
 682 </div>
 683 </div>
 684 <div class="sect1">
 685 <h2 id="_git">GIT</h2>
 686 <div class="sectionbody">
 687 <div class="paragraph">
 688 <p>Part of the <a href="git.html">git(1)</a> suite</p>
 689 </div>
 690 </div>
 691 </div>
 692 </div>
 693 <div id="footer">
 694 <div id="footer-text">
 695 Last updated 2023-10-23 14:43:46 -0700
 696 </div>
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