strbuf_branchname: add docstring

diff --git a/git-stash.sh b/git-stash.sh
index 4546abaaef3dab9e0c4dc719f111682f1cb1dd57..10c284d1aa2273a3dfe5cc39f1d6738830d02462 100755 (executable)
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -115,7 +115,7 @@ create_stash () {
                        git read-tree --index-output="$TMPindex" -m $i_tree &&
                        GIT_INDEX_FILE="$TMPindex" &&
                        export GIT_INDEX_FILE &&
-                       git diff --name-only -z HEAD -- >"$TMP-stagenames" &&
+                       git diff-index --name-only -z HEAD -- >"$TMP-stagenames" &&
                        git update-index -z --add --remove --stdin <"$TMP-stagenames" &&
                        git write-tree &&
                        rm -f "$TMPindex"