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
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 SHA1 hash, not the reference name. When
combined with --dereference the dereferenced tag will
still be shown after the SHA1.
--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.
Git 1.7.9.2 Last change: 02/22/2012 1
Git Manual GIT-SHOW-REF(1)
-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; (4) 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
Git 1.7.9.2 Last change: 02/22/2012 2
Git Manual GIT-SHOW-REF(1)
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
ATTRIBUTES
See attributes(5) for descriptions of the following
Git 1.7.9.2 Last change: 02/22/2012 3
Git Manual GIT-SHOW-REF(1)
attributes:
+---------------+--------------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+--------------------------+
|Availability | developer/versioning/git |
+---------------+--------------------------+
|Stability | Uncommitted |
+---------------+--------------------------+
SEE ALSO
git-ls-remote(1), git-update-ref(1), gitrepository-layout(4)
GIT
Part of the git(1) suite
NOTES
This software was built from source available at
https://java.net/projects/solaris-userland. The original
community source was downloaded from http://git-
core.googlecode.com/files/git-1.7.9.2.tar.gz
Further information about this software can be found on the
open source community website at http://git-scm.com/.
Git 1.7.9.2 Last change: 02/22/2012 4