Re: [PATCH] reset: unbreak hard resets with GIT_WORK_TREE

> Commit 952dfc6 tried to tighten the safety valves for doing
> a "reset --hard" in a bare repository or outside the work
> tree, but accidentally broke the case for GIT_WORK_TREE.
> This patch unbreaks it.
>
> Most git commands which need a work tree simply use
> NEED_WORK_TREE in git.c to die before they get to their
> cmd_* function. Reset, however, only needs a work tree in
> some cases, and so must handle the work tree itself. The
> error that 952dfc6 made was to simply forbid certain
> operations if the work tree was not set up; instead, we need
> to do the same thing that NEED_WORK_TREE does, which is to
> call setup_work_tree(). We no longer have to worry about dying
> in the non-worktree case, as setup_work_tree handles that
> for us.