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GIT-SHOW-REF(1)                                  Git Manual                                  GIT-SHOW-REF(1)



NAME
       git-show-ref - List references in a local repository

SYNOPSIS
       git show-ref [-q|--quiet] [--verify] [--head] [-d|--dereference]
                    [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags]
                    [--heads] [--] [<pattern>...]
       git show-ref --exclude-existing[=<pattern>] < ref-list


DESCRIPTION
       Displays references available in a local repository along with the associated commit IDs. Results can
       be filtered using a pattern and tags can be dereferenced into object IDs. Additionally, it can be
       used to test whether a particular ref exists.

       The --exclude-existing form is a filter that does the inverse, it shows the refs from stdin that
       don't exist in the local repository.

       Use of this utility is encouraged in favor of directly accessing files under the .git directory.

OPTIONS
       --head
           Show the HEAD reference.

       --tags, --heads
           Limit to only "refs/heads" and "refs/tags", respectively. These options are not mutually
           exclusive; when given both, references stored in "refs/heads" and "refs/tags" are displayed.

       -d, --dereference
           Dereference tags into object IDs as well. They will be shown with "^{}" appended.

       -s, --hash[=<n>]
           Only show the SHA-1 hash, not the reference name. When combined with --dereference the
           dereferenced tag will still be shown after the SHA-1.

       --verify
           Enable stricter reference checking by requiring an exact ref path. Aside from returning an error
           code of 1, it will also print an error message if --quiet was not specified.

       --abbrev[=<n>]
           Abbreviate the object name. When using --hash, you do not have to say --hash --abbrev; --hash=n
           would do.

       -q, --quiet
           Do not print any results to stdout. When combined with --verify this can be used to silently
           check if a reference exists.

       --exclude-existing[=<pattern>]
           Make git show-ref act as a filter that reads refs from stdin of the form
           "^(?:<anything>\s)?<refname>(?:\^{})?$" and performs the following actions on each: (1) strip
           "^{}" at the end of line if any; (2) ignore if pattern is provided and does not head-match
           refname; (3) warn if refname is not a well-formed refname and skip; (4) ignore if refname is a
           ref that exists in the local repository; (5) otherwise output the line.

       <pattern>...
           Show references matching one or more patterns. Patterns are matched from the end of the full
           name, and only complete parts are matched, e.g.  master matches refs/heads/master,
           refs/remotes/origin/master, refs/tags/jedi/master but not refs/heads/mymaster nor
           refs/remotes/master/jedi.

OUTPUT
       The output is in the format: <SHA-1 ID> <space> <reference name>.

           $ git show-ref --head --dereference
           832e76a9899f560a90ffd62ae2ce83bbeff58f54 HEAD
           832e76a9899f560a90ffd62ae2ce83bbeff58f54 refs/heads/master
           832e76a9899f560a90ffd62ae2ce83bbeff58f54 refs/heads/origin
           3521017556c5de4159da4615a39fa4d5d2c279b5 refs/tags/v0.99.9c
           6ddc0964034342519a87fe013781abf31c6db6ad refs/tags/v0.99.9c^{}
           055e4ae3ae6eb344cbabf2a5256a49ea66040131 refs/tags/v1.0rc4
           423325a2d24638ddcc82ce47be5e40be550f4507 refs/tags/v1.0rc4^{}
           ...


       When using --hash (and not --dereference) the output format is: <SHA-1 ID>

           $ git show-ref --heads --hash
           2e3ba0114a1f52b47df29743d6915d056be13278
           185008ae97960c8d551adcd9e23565194651b5d1
           03adf42c988195b50e1a1935ba5fcbc39b2b029b
           ...


EXAMPLE
       To show all references called "master", whether tags or heads or anything else, and regardless of how
       deep in the reference naming hierarchy they are, use:

                   git show-ref master


       This will show "refs/heads/master" but also "refs/remote/other-repo/master", if such references
       exists.

       When using the --verify flag, the command requires an exact path:

                   git show-ref --verify refs/heads/master


       will only match the exact branch called "master".

       If nothing matches, git show-ref will return an error code of 1, and in the case of verification, it
       will show an error message.

       For scripting, you can ask it to be quiet with the "--quiet" flag, which allows you to do things like

                   git show-ref --quiet --verify -- "refs/heads/$headname" ||
                           echo "$headname is not a valid branch"


       to check whether a particular branch exists or not (notice how we don't actually want to show any
       results, and we want to use the full refname for it in order to not trigger the problem with
       ambiguous partial matches).

       To show only tags, or only proper branch heads, use "--tags" and/or "--heads" respectively (using
       both means that it shows tags and heads, but not other random references under the refs/
       subdirectory).

       To do automatic tag object dereferencing, use the "-d" or "--dereference" flag, so you can do

                   git show-ref --tags --dereference


       to get a listing of all tags together with what they dereference.

FILES
       .git/refs/*, .git/packed-refs

SEE ALSO
       git-ls-remote(1), git-update-ref(1), gitrepository-layout(5)

GIT
       Part of the git(1) suite



Git 1.8.3                                        05/24/2013                                  GIT-SHOW-REF(1)