Add hash_sha1_file()

diff --git a/Documentation/git-show-branch.txt b/Documentation/git-show-branch.txt
index f115b45ef61567b18f6686d12dd168e68f83cb02..a2445a48fc98ddd4865bab8d3033880a854fca36 100644 (file)
--- a/Documentation/git-show-branch.txt
+++ b/Documentation/git-show-branch.txt
@@ -52,6 +52,11 @@ OPTIONS
         appear in topological order (i.e., descendant commits
         are shown before their parents).
 
+--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