test-lib: redirect stdin of tests

diff --git a/Documentation/git-read-tree.txt b/Documentation/git-read-tree.txt
index 26fdadc642a3534c4005488cb9ca2b2a47a495a1..c45d53c6e150479bd01bf3d643354348d8ce9273 100644 (file)
--- a/Documentation/git-read-tree.txt
+++ b/Documentation/git-read-tree.txt
@@ -8,6 +8,7 @@ git-read-tree - Reads tree information into the index
 
 SYNOPSIS
 --------
+[verse]
 'git read-tree' [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>]
                [-u [--exclude-per-directory=<gitignore>] | -i]]
                [--index-output=<file>] [--no-sparse-checkout]
@@ -53,6 +54,11 @@ OPTIONS
        trees that are not directly related to the current
        working tree status into a temporary index file.
 
+-n::
+--dry-run::
+       Check if the command would error out, without updating the index
+       nor the files in the working tree for real.
+
 -v::
        Show the progress of checking files out.