git-ls-tree: add "-t" option to always show the tree entries

diff --git a/git-add.sh b/git-add.sh
index 4bf41281d5554f9b1da103b0360eebc411a435eb..fdec86d1a41af847f9d737a2c058e2d2027f32fe 100755 (executable)
--- a/git-add.sh
+++ b/git-add.sh
@@ -1,5 +1,14 @@
 #!/bin/sh
 
+die () {
+    echo >&2 "$*"
+    exit 1
+}
+
+usage() {
+    die "usage: git add [-n] [-v] <file>..."
+}
+
 show_only=
 verbose=
 while : ; do
@@ -10,6 +19,9 @@ while : ; do
     -v)
        verbose=--verbose
        ;;
+    -*)
+       usage
+       ;;
     *)
        break
        ;;