Merge branch 'js/rebase-autostash-fix'

"git rebase" that has recently been rewritten in C had a few issues in its "--autstash" feature, which have been corrected. * js/rebase-autostash-fix: rebase --autostash: fix issue with dirty submodules rebase --autostash: demonstrate a problem with dirty submodules rebase (autostash): use an explicit OID to apply the stash rebase (autostash): store the full OID in <state-dir>/autostash rebase (autostash): avoid duplicate call to state_dir_path()