add more informative error messages to git-mktag

diff --git a/Documentation/git-ls-tree.txt b/Documentation/git-ls-tree.txt
index b92a8b2db1c305bce5fc1fb554451c604e769c21..018c4019532d9eb18dcae4873cd641604e833779 100644 (file)
--- a/Documentation/git-ls-tree.txt
+++ b/Documentation/git-ls-tree.txt
@@ -3,12 +3,14 @@ git-ls-tree(1)
 
 NAME
 ----
-git-ls-tree - Lists the contents of a tree object.
+git-ls-tree - Lists the contents of a tree object
 
 
 SYNOPSIS
 --------
-'git-ls-tree' [-d] [-r] [-t] [-z] [--name-only] [--name-status] <tree-ish> [paths...]
+'git-ls-tree' [-d] [-r] [-t] [-z]
+       [--name-only] [--name-status] [--full-name] [--abbrev=[<n>]]
+       <tree-ish> [paths...]
 
 DESCRIPTION
 -----------
@@ -40,6 +42,11 @@ OPTIONS
 --name-status::
        List only filenames (instead of the "long" output), one per line.
 
+--abbrev[=<n>]::
+       Instead of showing the full 40-byte hexadecimal object
+       lines, show only handful hexdigits prefix.
+       Non default number of digits can be specified with --abbrev=<n>.
+
 paths::
        When paths are given, show them (note that this isn't really raw
        pathnames, but rather a list of patterns to match).  Otherwise