git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/Documentation/git-show-branch.txt b/Documentation/git-show-branch.txt
index dafacd43080b6ab00205fab2a84617834ad5851f..0bb8250b202de93bac6b5cef957454cda2648a13 100644 (file)
--- a/Documentation/git-show-branch.txt
+++ b/Documentation/git-show-branch.txt
@@ -11,6 +11,7 @@ SYNOPSIS
 'git-show-branch' [--all] [--remotes] [--topo-order] [--current]
                [--more=<n> | --list | --independent | --merge-base]
                [--no-name | --sha1-name] [--topics] [<rev> | <glob>]...
+'git-show-branch' (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]
 
 DESCRIPTION
 -----------
@@ -96,6 +97,14 @@ OPTIONS
        will show the revisions given by "git rev-list {caret}master
        topic1 topic2"
 
+--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.
+       `-g` can be used as a short-hand for this option.  When
+       no explicit <ref> parameter is given, it defaults to the
+       current branch (or `HEAD` if it is detached).
+
 Note that --more, --list, --independent and --merge-base options
 are mutually exclusive.
 
@@ -160,6 +169,13 @@ 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
@@ -174,4 +190,4 @@ Documentation by Junio C Hamano.
 
 GIT
 ---
-Part of the gitlink:git[7] suite
+Part of the linkgit:git[7] suite