On Mon, Sep 10, 2018 at 9:29 AM Ben Peart <benpe...@microsoft.com> wrote:
>
> It was reported that
>
>    GIT_FSMONITOR_TEST=$PWD/t7519/fsmonitor-all ./t7411-submodule-config.sh
>
> breaks as the fsmonitor data is out of sync with the state of the .gitmodules
> file. Update is_staging_gitmodules_ok() so that it no longer tells
> ie_match_stat() to ignore refreshing the fsmonitor data.

Wondering how this came to be,
7da9aba4178 (submodule: used correct index in is_staging_gitmodules_ok,
2017-12-12) last touched this line, but is unrelated as the fsmonitor
behavior was
there before.

Before that, we have 883e248b8a0 (fsmonitor: teach git to optionally utilize a
file system monitor to speed up detecting new or changed files., 2017-09-22)
that was written by you, who knows the fsmonitor better than I do (or Brandon
who wrote the commit referenced above).

Looking through the archive, it seems that we might have more such hidden
gems?

https://public-inbox.org/git/f50825a4-fa15-9f28-a079-853e78ee8...@gmail.com/

Anyway, I think this is a better fix than what I proposed for sure.

Thanks for looking into this!

Stefan

>
> Reported-by: Ævar Arnfjörð Bjarmason <ava...@gmail.com>
> Helped-by: Stefan Beller <sbel...@google.com>
> Signed-off-by: Ben Peart <benpe...@microsoft.com>
> ---
>
> Notes:
>     Base Ref: v2.19.0-rc2
>     Web-Diff: https://github.com/benpeart/git/commit/ed30e1a885
>     Checkout: git fetch https://github.com/benpeart/git fsmonitor-t7411-v1 && 
> git checkout ed30e1a885
>
>  submodule.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/submodule.c b/submodule.c
> index 50cbf5f13e..1e7194af28 100644
> --- a/submodule.c
> +++ b/submodule.c
> @@ -65,8 +65,7 @@ int is_staging_gitmodules_ok(struct index_state *istate)
>         if ((pos >= 0) && (pos < istate->cache_nr)) {
>                 struct stat st;
>                 if (lstat(GITMODULES_FILE, &st) == 0 &&
> -                   ie_match_stat(istate, istate->cache[pos], &st,
> -                                 CE_MATCH_IGNORE_FSMONITOR) & DATA_CHANGED)
> +                   ie_match_stat(istate, istate->cache[pos], &st, 0) & 
> DATA_CHANGED)
>                         return 0;
>         }
>
>
> base-commit: c05048d43925ab8edcb36663752c2b4541911231
> --
> 2.18.0.windows.1
>

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