notmuch-index-message: Don't index the line introducing a quote.

We identify it based on a trailing ':' on the line before a quote
begins.

At this point the database-dump diff between sup and notmuch is
getting very, very small, (at least for our one test message).

diff --git a/notmuch-index-message.cc b/notmuch-index-message.cc
index dedbff37dec206269e09684f64edcdd12a33ae4e..44b1b03a1e180bc8625b13dcd02f8ddf73f1a453 100644 (file)
--- a/notmuch-index-message.cc
+++ b/notmuch-index-message.cc
@@ -198,7 +198,7 @@ gen_terms_body (Xapian::TermGenerator term_gen,
     GIOChannel *channel;
     GIOStatus gio_status;
     GError *error = NULL;
-    char *body_line = NULL;
+    char *p, *body_line = NULL, *prev_line = NULL;
 
     channel = g_io_channel_new_file (filename, "r", &error);
     if (channel == NULL) {
@@ -226,9 +226,38 @@ gen_terms_body (Xapian::TermGenerator term_gen,
            exit (1);
        }
 
-       if (body_line[0] == '>')
+       if (strlen (body_line) == 0)
            continue;
 
+       /* If the line looks like it might be introducing a quote,
+        * save it until we see if the next line begins a quote. */
+       p = body_line + strlen (body_line) - 1;
+       while (p > body_line and isspace (*p))
+           p--;
+       if (*p == ':') {
+           prev_line = body_line;
+           body_line = NULL;
+           continue;
+       }
+
+       /* Skip quoted lines, (and previous lines that introduced them) */
+       if (body_line[0] == '>') {
+           if (prev_line) {
+               g_free (prev_line);
+               prev_line = NULL;
+           }
+           continue;
+       }
+
+       /* Now that we're not looking at a quote we can add the prev_line */
+       if (prev_line) {
+           gen_terms (term_gen, "body", prev_line);
+           g_free (prev_line);
+           prev_line = NULL;
+       }
+
+       /* Skip signatures */
+       /* XXX: Should only do this if "near" the end of the message. */
        if (strncmp (body_line, "-- ", 3) == 0)
            break;