Merge branch 'nd/ls-tree-pathspec'

"git ls-tree" does not support path selection based on negative pathspecs, but did not error out when negative pathspecs are given. * nd/ls-tree-pathspec: t3102: style modernization t3102: document that ls-tree does not yet support negated pathspec ls-tree: disable negative pathspec because it's not supported ls-tree: remove path filtering logic in show_tree tree.c: update read_tree_recursive callback to pass strbuf as base