Re: [PATCH v10 20/20] untracked-cache: config option

> Add a config option to populate the untracked cache.
>
> For installations that have centrally-managed configuration, it's
> easier to set a config once than to run update-index on every
> repository.

> Signed-off-by: David Turner <dturner@twopensource.com>
> ---
>  Documentation/config.txt | 4 ++++
>  read-cache.c             | 7 ++++++-
>  2 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/config.txt b/Documentation/config.txt
> index 385ea66..c7b76ef 100644
> --- a/Documentation/config.txt
> +++ b/Documentation/config.txt
> @@ -1848,6 +1848,10 @@ imap::
>         The configuration variables in the 'imap' section are described
>         in linkgit:git-imap-send[1].
>
> +index.adduntrackedcache::
> +       Automatically populate the untracked cache whenever the index
> +       is written.
> +
>  index.addwatchmanextension::
>         Automatically add the watchman extension to the index whenever
>         it is written.
> diff --git a/read-cache.c b/read-cache.c
> index 22c64d0..4a1cccf 100644
> --- a/read-cache.c
> +++ b/read-cache.c
> @@ -2472,7 +2472,7 @@ static int do_write_index(struct index_state *istate, int newfd,
>         int entries = istate->cache_nr;
>         struct stat st;
>         struct strbuf previous_name_buf = STRBUF_INIT, *previous_name;
> -       int watchman = 0;
> +       int watchman = 0, untracked = 0;
>         uint64_t start = getnanotime();
>
>         for (i = removed = extended = 0; i < entries; i++) {
> @@ -2502,6 +2502,11 @@ static int do_write_index(struct index_state *istate, int newfd,
>             !the_index.last_update)
>                 the_index.last_update = xstrdup("");
>
> +       if (!git_config_get_bool("index.adduntrackedcache", &untracked) &&
> +           untracked &&
> +           !istate->untracked)
> +               add_untracked_cache(&the_index);
> +
>         hdr_version = istate->version;
>
>         hdr.hdr_signature = htonl(CACHE_SIGNATURE);
> --
> 2.4.2.767.g62658d5-twtrsrc
>