SYNOPSIS
--------
[verse]
-'git-show-ref' [-q|--quiet] [--verify] [-h|--head] [-d|--dereference]
- [-s|--hash] [--abbrev] [--tags] [--heads] [--] <pattern>...
-'git-show-ref' --exclude-existing[=pattern]
+'git show-ref' [-q|--quiet] [--verify] [-h|--head] [-d|--dereference]
+ [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags]
+ [--heads] [--] <pattern>...
+'git show-ref' --exclude-existing[=<pattern>] < ref-list
DESCRIPTION
-----------
refs from stdin that don't exist in the local repository.
Use of this utility is encouraged in favor of directly accessing files under
-in the `.git` directory.
+the `.git` directory.
OPTIONS
-------
appended.
-s::
---hash::
+--hash[=<n>]::
- Only show the SHA1 hash, not the reference name. When also using
+ Only show the SHA1 hash, not the reference name. When combined with
--dereference the dereferenced tag will still be shown after the SHA1.
--verify::
Aside from returning an error code of 1, it will also print an error
message if '--quiet' was not specified.
---abbrev::
---abbrev=len::
+--abbrev[=<n>]::
Abbreviate the object name. When using `--hash`, you do
- not have to say `--hash --abbrev`; `--hash=len` would 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::
---exclude-existing=pattern::
+--exclude-existing[=<pattern>]::
- Make git-show-ref act as a filter that reads refs from stdin of the
+ Make 'git-show-ref' act as a filter that reads refs from stdin of the
form "^(?:<anything>\s)?<refname>(?:\^\{\})?$" and performs the
following actions on each:
(1) strip "^{}" at the end of line if any;
(5) otherwise output the line.
-<pattern>::
+<pattern>...::
Show references matching one or more patterns.
will only match the exact branch called "master".
-If nothing matches, linkgit:git-show-ref[1] will return an error code of 1,
+If nothing matches, 'git-show-ref' will return an error code of 1,
and in the case of verification, it will show an error message.
For scripting, you can ask it to be quiet with the "--quiet" flag, which
allows you to do things like
-----------------------------------------------------------------------------
- git-show-ref --quiet --verify -- "refs/heads/$headname" ||
+ git show-ref --quiet --verify -- "refs/heads/$headname" ||
echo "$headname is not a valid branch"
-----------------------------------------------------------------------------