Re: [PATCH] require_work_tree: Look for top-level instead of is-inside-work-tree

> The documentation describes require_work_tree as guarding against
> bare repositories, and that's also the way it's used from porcelain
> such as git-rebase. When implemented using --is-inside-work-tree
> the samantics change, causing git-rebase to fail if run from outside
> GIT_WORK_TREE, even if GIT_WORK_TREE is valid.
> 
> Signed-off-by: Tor Arne Vestbø <tor.arne.vestbo@nokia.com>
> ---
>  git-sh-setup.sh     |    2 +-
>  t/t1501-worktree.sh |    9 +++++++++
>  2 files changed, 10 insertions(+), 1 deletions(-)
> 
> diff --git a/git-sh-setup.sh b/git-sh-setup.sh
> index 6131670..f8e4428 100644
> --- a/git-sh-setup.sh
> +++ b/git-sh-setup.sh
> @@ -141,7 +141,7 @@ cd_to_toplevel () {
>  }
>  
>  require_work_tree () {
> -	test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true ||
> +	test -n "$(git rev-parse --show-toplevel 2>/dev/null)" ||
>  	die "fatal: $0 cannot be used without a working tree."
>  }
>