git/Documentation/git-show.txt
Todd Zullinger 9f5258cbb8 doc: mention 'git show' defaults to HEAD
When 'git show' is called without any object it defaults to HEAD.  This
has been true since d4ed9793fd ("Simplify common default options setup
for built-in log family.", 2006-04-16).

The SYNOPSIS suggests that the object argument is required.  Clarify
that it is not required and note the default.

Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-01-30 13:12:18 -08:00

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git-show(1)
===========
NAME
----
git-show - Show various types of objects
SYNOPSIS
--------
[verse]
'git show' [options] [<object>...]
DESCRIPTION
-----------
Shows one or more objects (blobs, trees, tags and commits).
For commits it shows the log message and textual diff. It also
presents the merge commit in a special format as produced by
'git diff-tree --cc'.
For tags, it shows the tag message and the referenced objects.
For trees, it shows the names (equivalent to 'git ls-tree'
with --name-only).
For plain blobs, it shows the plain contents.
The command takes options applicable to the 'git diff-tree' command to
control how the changes the commit introduces are shown.
This manual page describes only the most frequently used options.
OPTIONS
-------
<object>...::
The names of objects to show (defaults to 'HEAD').
For a more complete list of ways to spell object names, see
"SPECIFYING REVISIONS" section in linkgit:gitrevisions[7].
include::pretty-options.txt[]
include::pretty-formats.txt[]
COMMON DIFF OPTIONS
-------------------
:git-log: 1
include::diff-options.txt[]
include::diff-generate-patch.txt[]
EXAMPLES
--------
`git show v1.0.0`::
Shows the tag `v1.0.0`, along with the object the tags
points at.
`git show v1.0.0^{tree}`::
Shows the tree pointed to by the tag `v1.0.0`.
`git show -s --format=%s v1.0.0^{commit}`::
Shows the subject of the commit pointed to by the
tag `v1.0.0`.
`git show next~10:Documentation/README`::
Shows the contents of the file `Documentation/README` as
they were current in the 10th last commit of the branch
`next`.
`git show master:Makefile master:t/Makefile`::
Concatenates the contents of said Makefiles in the head
of the branch `master`.
Discussion
----------
include::i18n.txt[]
GIT
---
Part of the linkgit:git[1] suite