On Sat, Feb 11, 2017 at 11:51 AM, René Scharfe <l....@web.de> wrote:
> Don't throw the memory allocated for remove_dir_recursively() away after
> a single call, use it for the other entries as well instead.
>
> This change was done before in deb8e15a (rm: reuse strbuf for all
> remove_dir_recursively() calls), but was reverted as a side-effect of
> 55856a35 (rm: absorb a submodules git dir before deletion). Reinstate
> the optimization.
>
> Signed-off-by: Rene Scharfe <l....@web.de>
> ---
> Was deb8e15a a rebase victim?

(I do not recall it off the top of my head)

That commit was merged at 03f25e85,
Merge branch 'rs/rm-strbuf-optim', but it looks
like it was reverted as part of 55856a35b2
(rm: absorb a submodules git dir before deletion)

Looking through the discussion at
https://public-inbox.org/git/xmqqmvfich2e....@gitster.mtv.corp.google.com/
there was no apparent signs of confusion, but a reroll was promised, that
I cannot find on the list.

Anyway, the patch below looks good to me.

Thanks,
Stefan

>
>  builtin/rm.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/builtin/rm.c b/builtin/rm.c
> index 452170a3ab..fb79dcab18 100644
> --- a/builtin/rm.c
> +++ b/builtin/rm.c
> @@ -360,15 +360,14 @@ int cmd_rm(int argc, const char **argv, const char 
> *prefix)
>          */
>         if (!index_only) {
>                 int removed = 0, gitmodules_modified = 0;
> +               struct strbuf buf = STRBUF_INIT;
>                 for (i = 0; i < list.nr; i++) {
>                         const char *path = list.entry[i].name;
>                         if (list.entry[i].is_submodule) {
> -                               struct strbuf buf = STRBUF_INIT;
> -
> +                               strbuf_reset(&buf);
>                                 strbuf_addstr(&buf, path);
>                                 if (remove_dir_recursively(&buf, 0))
>                                         die(_("could not remove '%s'"), path);
> -                               strbuf_release(&buf);
>
>                                 removed = 1;
>                                 if (!remove_path_from_gitmodules(path))
> @@ -382,6 +381,7 @@ int cmd_rm(int argc, const char **argv, const char 
> *prefix)
>                         if (!removed)
>                                 die_errno("git rm: '%s'", path);
>                 }
> +               strbuf_release(&buf);
>                 if (gitmodules_modified)
>                         stage_updated_gitmodules();
>         }
> --
> 2.11.1
>

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