git-show-ref.html

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 734 </head>
 735 <body class="manpage">
 736 <div id="header">
 737 <h1>
 738 git-show-ref(1) Manual Page
 739 </h1>
 740 <h2>NAME</h2>
 741 <div class="sectionbody">
 742 <p>git-show-ref -
 743    List references in a local repository
 744 </p>
 745 </div>
 746 </div>
 747 <div id="content">
 748 <div class="sect1">
 749 <h2 id="_synopsis">SYNOPSIS</h2>
 750 <div class="sectionbody">
 751 <div class="verseblock">
 752 <pre class="content"><em>git show-ref</em> [--head] [-d | --dereference]
 753              [-s | --hash[=&lt;n&gt;]] [--abbrev[=&lt;n&gt;]] [--tags]
 754              [--heads] [--] [&lt;pattern&gt;&#8230;]
 755 <em>git show-ref</em> --verify [-q | --quiet] [-d | --dereference]
 756              [-s | --hash[=&lt;n&gt;]] [--abbrev[=&lt;n&gt;]]
 757              [--] [&lt;ref&gt;&#8230;]
 758 <em>git show-ref</em> --exclude-existing[=&lt;pattern&gt;]
 759 <em>git show-ref</em> --exists &lt;ref&gt;</pre>
 760 <div class="attribution">
 761 </div></div>
 762 </div>
 763 </div>
 764 <div class="sect1">
 765 <h2 id="_description">DESCRIPTION</h2>
 766 <div class="sectionbody">
 767 <div class="paragraph"><p>Displays references available in a local repository along with the associated
 768 commit IDs. Results can be filtered using a pattern and tags can be
 769 dereferenced into object IDs. Additionally, it can be used to test whether a
 770 particular ref exists.</p></div>
 771 <div class="paragraph"><p>By default, shows the tags, heads, and remote refs.</p></div>
 772 <div class="paragraph"><p>The <code>--exclude-existing</code> form is a filter that does the inverse. It reads
 773 refs from stdin, one ref per line, and shows those that don&#8217;t exist in
 774 the local repository.</p></div>
 775 <div class="paragraph"><p>The <code>--exists</code> form can be used to check for the existence of a single
 776 references. This form does not verify whether the reference resolves to an
 777 actual object.</p></div>
 778 <div class="paragraph"><p>Use of this utility is encouraged in favor of directly accessing files under
 779 the <code>.git</code> directory.</p></div>
 780 </div>
 781 </div>
 782 <div class="sect1">
 783 <h2 id="_options">OPTIONS</h2>
 784 <div class="sectionbody">
 785 <div class="dlist"><dl>
 786 <dt class="hdlist1">
 787 --head
 788 </dt>
 789 <dd>
 790 <p>
 791         Show the HEAD reference, even if it would normally be filtered out.
 792 </p>
 793 </dd>
 794 <dt class="hdlist1">
 795 --heads
 796 </dt>
 797 <dt class="hdlist1">
 798 --tags
 799 </dt>
 800 <dd>
 801 <p>
 802         Limit to "refs/heads" and "refs/tags", respectively.  These options
 803         are not mutually exclusive; when given both, references stored in
 804         "refs/heads" and "refs/tags" are displayed.
 805 </p>
 806 </dd>
 807 <dt class="hdlist1">
 808 -d
 809 </dt>
 810 <dt class="hdlist1">
 811 --dereference
 812 </dt>
 813 <dd>
 814 <p>
 815         Dereference tags into object IDs as well. They will be shown with <code>^{}</code>
 816         appended.
 817 </p>
 818 </dd>
 819 <dt class="hdlist1">
 820 -s
 821 </dt>
 822 <dt class="hdlist1">
 823 --hash[=&lt;n&gt;]
 824 </dt>
 825 <dd>
 826 <p>
 827         Only show the OID, not the reference name. When combined with
 828         <code>--dereference</code>, the dereferenced tag will still be shown after the OID.
 829 </p>
 830 </dd>
 831 <dt class="hdlist1">
 832 --verify
 833 </dt>
 834 <dd>
 835 <p>
 836         Enable stricter reference checking by requiring an exact ref path.
 837         Aside from returning an error code of 1, it will also print an error
 838         message if <code>--quiet</code> was not specified.
 839 </p>
 840 </dd>
 841 <dt class="hdlist1">
 842 --exists
 843 </dt>
 844 <dd>
 845 <p>
 846         Check whether the given reference exists. Returns an exit code of 0 if
 847         it does, 2 if it is missing, and 1 in case looking up the reference
 848         failed with an error other than the reference being missing.
 849 </p>
 850 </dd>
 851 <dt class="hdlist1">
 852 --abbrev[=&lt;n&gt;]
 853 </dt>
 854 <dd>
 855 <p>
 856         Abbreviate the object name.  When using <code>--hash</code>, you do
 857         not have to say <code>--hash --abbrev</code>; <code>--hash=n</code> would do.
 858 </p>
 859 </dd>
 860 <dt class="hdlist1">
 861 -q
 862 </dt>
 863 <dt class="hdlist1">
 864 --quiet
 865 </dt>
 866 <dd>
 867 <p>
 868         Do not print any results to stdout. Can be used with <code>--verify</code> to
 869         silently check if a reference exists.
 870 </p>
 871 </dd>
 872 <dt class="hdlist1">
 873 --exclude-existing[=&lt;pattern&gt;]
 874 </dt>
 875 <dd>
 876 <p>
 877         Make <code>git show-ref</code> act as a filter that reads refs from stdin of the
 878         form <code>^(?:&lt;anything&gt;\s)?&lt;refname&gt;(?:\^{})?$</code>
 879         and performs the following actions on each:
 880         (1) strip <code>^{}</code> at the end of line if any;
 881         (2) ignore if pattern is provided and does not head-match refname;
 882         (3) warn if refname is not a well-formed refname and skip;
 883         (4) ignore if refname is a ref that exists in the local repository;
 884         (5) otherwise output the line.
 885 </p>
 886 </dd>
 887 <dt class="hdlist1">
 888 &lt;pattern&gt;&#8230;
 889 </dt>
 890 <dd>
 891 <p>
 892         Show references matching one or more patterns. Patterns are matched from
 893         the end of the full name, and only complete parts are matched, e.g.
 894         <em>master</em> matches <em>refs/heads/master</em>, <em>refs/remotes/origin/master</em>,
 895         <em>refs/tags/jedi/master</em> but not <em>refs/heads/mymaster</em> or
 896         <em>refs/remotes/master/jedi</em>.
 897 </p>
 898 </dd>
 899 </dl></div>
 900 </div>
 901 </div>
 902 <div class="sect1">
 903 <h2 id="_output">OUTPUT</h2>
 904 <div class="sectionbody">
 905 <div class="paragraph"><p>The output is in the format:</p></div>
 906 <div class="listingblock">
 907 <div class="content">
 908 <pre><code>&lt;oid&gt; SP &lt;ref&gt; LF</code></pre>
 909 </div></div>
 910 <div class="paragraph"><p>For example,</p></div>
 911 <div class="listingblock">
 912 <div class="content">
 913 <pre><code>$ git show-ref --head --dereference
 914 832e76a9899f560a90ffd62ae2ce83bbeff58f54 HEAD
 915 832e76a9899f560a90ffd62ae2ce83bbeff58f54 refs/heads/master
 916 832e76a9899f560a90ffd62ae2ce83bbeff58f54 refs/heads/origin
 917 3521017556c5de4159da4615a39fa4d5d2c279b5 refs/tags/v0.99.9c
 918 6ddc0964034342519a87fe013781abf31c6db6ad refs/tags/v0.99.9c^{}
 919 055e4ae3ae6eb344cbabf2a5256a49ea66040131 refs/tags/v1.0rc4
 920 423325a2d24638ddcc82ce47be5e40be550f4507 refs/tags/v1.0rc4^{}
 921 ...</code></pre>
 922 </div></div>
 923 <div class="paragraph"><p>When using <code>--hash</code> (and not <code>--dereference</code>), the output is in the format:</p></div>
 924 <div class="listingblock">
 925 <div class="content">
 926 <pre><code>&lt;oid&gt; LF</code></pre>
 927 </div></div>
 928 <div class="paragraph"><p>For example,</p></div>
 929 <div class="listingblock">
 930 <div class="content">
 931 <pre><code>$ git show-ref --heads --hash
 932 2e3ba0114a1f52b47df29743d6915d056be13278
 933 185008ae97960c8d551adcd9e23565194651b5d1
 934 03adf42c988195b50e1a1935ba5fcbc39b2b029b
 935 ...</code></pre>
 936 </div></div>
 937 </div>
 938 </div>
 939 <div class="sect1">
 940 <h2 id="_examples">EXAMPLES</h2>
 941 <div class="sectionbody">
 942 <div class="paragraph"><p>To show all references called "master", whether tags or heads or anything
 943 else, and regardless of how deep in the reference naming hierarchy they are,
 944 use:</p></div>
 945 <div class="listingblock">
 946 <div class="content">
 947 <pre><code>        git show-ref master</code></pre>
 948 </div></div>
 949 <div class="paragraph"><p>This will show "refs/heads/master" but also "refs/remote/other-repo/master",
 950 if such references exist.</p></div>
 951 <div class="paragraph"><p>When using the <code>--verify</code> flag, the command requires an exact path:</p></div>
 952 <div class="listingblock">
 953 <div class="content">
 954 <pre><code>        git show-ref --verify refs/heads/master</code></pre>
 955 </div></div>
 956 <div class="paragraph"><p>will only match the exact branch called "master".</p></div>
 957 <div class="paragraph"><p>If nothing matches, <code>git show-ref</code> will return an error code of 1,
 958 and in the case of verification, it will show an error message.</p></div>
 959 <div class="paragraph"><p>For scripting, you can ask it to be quiet with the <code>--quiet</code> flag, which
 960 allows you to do things like</p></div>
 961 <div class="listingblock">
 962 <div class="content">
 963 <pre><code>        git show-ref --quiet --verify -- "refs/heads/$headname" ||
 964                 echo "$headname is not a valid branch"</code></pre>
 965 </div></div>
 966 <div class="paragraph"><p>to check whether a particular branch exists or not (notice how we don&#8217;t
 967 actually want to show any results, and we want to use the full refname for it
 968 in order to not trigger the problem with ambiguous partial matches).</p></div>
 969 <div class="paragraph"><p>To show only tags, or only proper branch heads, use <code>--tags</code> and/or <code>--heads</code>
 970 respectively (using both means that it shows tags and heads, but not other
 971 random references under the refs/ subdirectory).</p></div>
 972 <div class="paragraph"><p>To do automatic tag object dereferencing, use the <code>-d</code> or <code>--dereference</code>
 973 flag, so you can do</p></div>
 974 <div class="listingblock">
 975 <div class="content">
 976 <pre><code>        git show-ref --tags --dereference</code></pre>
 977 </div></div>
 978 <div class="paragraph"><p>to get a listing of all tags together with what they dereference.</p></div>
 979 </div>
 980 </div>
 981 <div class="sect1">
 982 <h2 id="_files">FILES</h2>
 983 <div class="sectionbody">
 984 <div class="paragraph"><p><code>.git/refs/*</code>, <code>.git/packed-refs</code></p></div>
 985 </div>
 986 </div>
 987 <div class="sect1">
 988 <h2 id="_see_also">SEE ALSO</h2>
 989 <div class="sectionbody">
 990 <div class="paragraph"><p><a href="git-for-each-ref.html">git-for-each-ref(1)</a>,
 991 <a href="git-ls-remote.html">git-ls-remote(1)</a>,
 992 <a href="git-update-ref.html">git-update-ref(1)</a>,
 993 <a href="gitrepository-layout.html">gitrepository-layout(5)</a></p></div>
 994 </div>
 995 </div>
 996 <div class="sect1">
 997 <h2 id="_git">GIT</h2>
 998 <div class="sectionbody">
 999 <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
1000 </div>
1001 </div>
1002 </div>
1003 <div id="footnotes"><hr /></div>
1004 <div id="footer">
1005 <div id="footer-text">
1006 Last updated
1007  2023-11-08 09:04:31 PST
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