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git-commit-vandalism/Documentation/git-show-branch.txt
Jeff King cc1b8d8bc6 docs: don't talk about $GIT_DIR/refs/ everywhere 
It is misleading to say that we pull refs from $GIT_DIR/refs/*, because we
may also consult the packed refs mechanism. These days we tend to treat
the "refs hierarchy" as more of an abstract namespace that happens to be
represented as $GIT_DIR/refs. At best, this is a minor inaccuracy, but at
worst it can confuse users who then look in $GIT_DIR/refs and find that it
is missing some of the refs they expected to see.

This patch drops most uses of "$GIT_DIR/refs/*", changing them into just
"refs/*", under the assumption that users can handle the concept of an
abstract refs namespace. There are a few things to note:

  - most cases just dropped the $GIT_DIR/ portion. But for cases where
    that left _just_ the word "refs", I changed it to "refs/" to help
    indicate that it was a hierarchy.  I didn't do the same for longer
    paths (e.g., "refs/heads" remained, instead of becoming
    "refs/heads/").

  - in some cases, no change was made, as the text was explicitly about
    unpacked refs (e.g., the discussion in git-pack-refs).

  - In some cases it made sense instead to note the existence of packed
    refs (e.g., in check-ref-format and rev-parse).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-02-17 21:40:09 -08:00

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git-show-branch(1)
==================
NAME
----
git-show-branch - Show branches and their commits
SYNOPSIS
--------
[verse]
'git show-branch' [-a|--all] [-r|--remotes] [--topo-order | --date-order]
[--current] [--color | --no-color] [--sparse]
[--more=<n> | --list | --independent | --merge-base]
[--no-name | --sha1-name] [--topics]
[<rev> | <glob>]...
'git show-branch' (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]
DESCRIPTION
-----------
Shows the commit ancestry graph starting from the commits named
with <rev>s or <globs>s (or all refs under refs/heads
and/or refs/tags) semi-visually.
It cannot show more than 29 branches and commits at a time.
It uses `showbranch.default` multi-valued configuration items if
no <rev> nor <glob> is given on the command line.
OPTIONS
-------
<rev>::
Arbitrary extended SHA1 expression (see linkgit:git-rev-parse[1])
that typically names a branch head or a tag.
<glob>::
A glob pattern that matches branch or tag names under
refs/. For example, if you have many topic
branches under refs/heads/topic, giving
`topic/*` would show all of them.
-r::
--remotes::
Show the remote-tracking branches.
-a::
--all::
Show both remote-tracking branches and local branches.
--current::
With this option, the command includes the current
branch to the list of revs to be shown when it is not
given on the command line.
--topo-order::
By default, the branches and their commits are shown in
reverse chronological order. This option makes them
appear in topological order (i.e., descendant commits
are shown before their parents).
--date-order::
This option is similar to '--topo-order' in the sense that no
parent comes before all of its children, but otherwise commits
are ordered according to their commit date.
--sparse::
By default, the output omits merges that are reachable
from only one tip being shown. This option makes them
visible.
--more=<n>::
Usually the command stops output upon showing the commit
that is the common ancestor of all the branches. This
flag tells the command to go <n> more common commits
beyond that. When <n> is negative, display only the
<reference>s given, without showing the commit ancestry
tree.
--list::
Synonym to `--more=-1`
--merge-base::
Instead of showing the commit list, determine possible
merge bases for the specified commits. All merge bases
will be contained in all specified commits. This is
different from how linkgit:git-merge-base[1] handles
the case of three or more commits.
--independent::
Among the <reference>s given, display only the ones that
cannot be reached from any other <reference>.
--no-name::
Do not show naming strings for each commit.
--sha1-name::
Instead of naming the commits using the path to reach
them from heads (e.g. "master~2" to mean the grandparent
of "master"), name them with the unique prefix of their
object names.
--topics::
Shows only commits that are NOT on the first branch given.
This helps track topic branches by hiding any commit that
is already in the main line of development. When given
"git show-branch --topics master topic1 topic2", this
will show the revisions given by "git rev-list {caret}master
topic1 topic2"
-g::
--reflog[=<n>[,<base>]] [<ref>]::
Shows <n> most recent ref-log entries for the given
ref. If <base> is given, <n> entries going back from
that entry. <base> can be specified as count or date.
When no explicit <ref> parameter is given, it defaults to the
current branch (or `HEAD` if it is detached).
--color::
Color the status sign (one of these: `*` `!` `+` `-`) of each commit
corresponding to the branch it's in.
--no-color::
Turn off colored output, even when the configuration file gives the
default to color output.
Note that --more, --list, --independent and --merge-base options
are mutually exclusive.
OUTPUT
------
Given N <references>, the first N lines are the one-line
description from their commit message. The branch head that is
pointed at by $GIT_DIR/HEAD is prefixed with an asterisk `*`
character while other heads are prefixed with a `!` character.
Following these N lines, one-line log for each commit is
displayed, indented N places. If a commit is on the I-th
branch, the I-th indentation character shows a `+` sign;
otherwise it shows a space. Merge commits are denoted by
a `-` sign. Each commit shows a short name that
can be used as an extended SHA1 to name that commit.
The following example shows three branches, "master", "fixes"
and "mhf":
------------------------------------------------
$ git show-branch master fixes mhf
* [master] Add 'git show-branch'.
! [fixes] Introduce "reset type" flag to "git reset"
! [mhf] Allow "+remote:local" refspec to cause --force when fetching.
---
+ [mhf] Allow "+remote:local" refspec to cause --force when fetching.
+ [mhf~1] Use git-octopus when pulling more than one heads.
+ [fixes] Introduce "reset type" flag to "git reset"
+ [mhf~2] "git fetch --force".
+ [mhf~3] Use .git/remote/origin, not .git/branches/origin.
+ [mhf~4] Make "git pull" and "git fetch" default to origin
+ [mhf~5] Infamous 'octopus merge'
+ [mhf~6] Retire git-parse-remote.
+ [mhf~7] Multi-head fetch.
+ [mhf~8] Start adding the $GIT_DIR/remotes/ support.
*++ [master] Add 'git show-branch'.
------------------------------------------------
These three branches all forked from a common commit, [master],
whose commit message is "Add \'git show-branch\'". The "fixes"
branch adds one commit "Introduce "reset type" flag to "git reset"".
The "mhf" branch adds many other commits. The current branch
is "master".
EXAMPLE
-------
If you keep your primary branches immediately under
`refs/heads`, and topic branches in subdirectories of
it, having the following in the configuration file may help:
------------
[showbranch]
default = --topo-order
default = heads/*
------------
With this, `git show-branch` without extra parameters would show
only the primary branches. In addition, if you happen to be on
your topic branch, it is shown as well.
------------
$ git show-branch --reflog="10,1 hour ago" --list master
------------
shows 10 reflog entries going back from the tip as of 1 hour ago.
Without `--list`, the output also shows how these tips are
topologically related with each other.
Author
------
Written by Junio C Hamano <gitster@pobox.com>
Documentation
--------------
Documentation by Junio C Hamano.
GIT
---
Part of the linkgit:git[1] suite
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