[PATCH v2] Ignore encrypted parts when indexing.

[Austin Clements]

LGTM.

Quoth Jameson Graef Rollins on Dec 28 at 12:14 pm:
> It appears to be an oversight that encrypted parts were indexed
> previously.  The terms generated from encrypted parts are meaningless
> and do nothing but add bloat to the database.  It is not worth
> indexing the encrypted content, just as it's not worth indexing the
> signatures in signed parts.
> ---
> Fixes missing colon.  Thanks Austin, Xavier.
> 
>  lib/index.cc |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/lib/index.cc b/lib/index.cc
> index e8e9922..d8f8b2b 100644
> --- a/lib/index.cc
> +++ b/lib/index.cc
> @@ -339,6 +339,10 @@ _index_mime_part (notmuch_message_t *message,
>  		if (i > 1)
>  		    fprintf (stderr, "Warning: Unexpected extra parts of multipart/signed. Indexing anyway.\n");
>  	    }
> +	    if (GMIME_IS_MULTIPART_ENCRYPTED (multipart)) {
> +		/* Don't index encrypted parts. */
> +		continue;
> +	    }
>  	    _index_mime_part (message,
>  			      g_mime_multipart_get_part (multipart, i));
>  	}