Re: [PATCH 2/8] entry: factor out unlink_entry function

>
> Factor out the 'unlink_entry()' function from unpack-trees.c to
> entry.c.  It will be used in other places as well in subsequent
> steps.
>
> As it's no longer a static function, also move the documentation to
> the header file to make it more discoverable.
>
> Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
> ---
>  cache.h        |  5 +++++
>  entry.c        | 15 +++++++++++++++
>  unpack-trees.c | 19 -------------------
>  3 files changed, 20 insertions(+), 19 deletions(-)
>
> diff --git a/cache.h b/cache.h
> index ca36b44ee0..c1c953e810 100644
> --- a/cache.h
> +++ b/cache.h
> @@ -1542,6 +1542,11 @@ struct checkout {
>  extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath);
>  extern void enable_delayed_checkout(struct checkout *state);
>  extern int finish_delayed_checkout(struct checkout *state);
> +/*
> + * Unlink the last component and schedule the leading directories for
> + * removal, such that empty directories get removed.
> + */
> +extern void unlink_entry(const struct cache_entry *ce);