X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=lib%2Fdatabase-private.h;h=6d6fa2c9f6bd56af79a7039d0da9d3694aa8b942;hb=b74ed1cfad09f578e7c05ca5676d9d3d8c512a5e;hp=ca0751cf2e1001943bd7a7adbf27554be57f1acc;hpb=8363c9053152d349022b821a4a343f0ee2ade318;p=notmuch

diff --git a/lib/database-private.h b/lib/database-private.h
index ca0751cf..6d6fa2c9 100644
--- a/lib/database-private.h
+++ b/lib/database-private.h
@@ -85,6 +85,21 @@ enum _notmuch_features {
      *
      * Introduced: version 2. */
     NOTMUCH_FEATURE_BOOL_FOLDER = 1 << 3,
+
+    /* If set, missing messages are stored in ghost mail documents.
+     * If unset, thread IDs of ghost messages are stored as database
+     * metadata instead of in ghost documents.
+     *
+     * Introduced: version 3. */
+    NOTMUCH_FEATURE_GHOSTS = 1 << 4,
+
+
+    /* If set, then the database was created after the introduction of
+     * indexed mime types. If unset, then the database may contain a
+     * mixture of messages with indexed and non-indexed mime types.
+     *
+     * Introduced: version 3. */
+    NOTMUCH_FEATURE_INDEXED_MIMETYPES = 1 << 5,
 };
 
 /* In C++, a named enum is its own type, so define bitwise operators
@@ -154,12 +169,13 @@ struct _notmuch_database {
 
 /* Current database features.  If any of these are missing from a
  * database, request an upgrade.
- * NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES is not included because
- * upgrade doesn't currently introduce the feature (though brand new
- * databases will have it). */
+ * NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES and
+ * NOTMUCH_FEATURE_INDEXED_MIMETYPES are not included because upgrade
+ * doesn't currently introduce the features (though brand new databases
+ * will have it). */
 #define NOTMUCH_FEATURES_CURRENT \
     (NOTMUCH_FEATURE_FILE_TERMS | NOTMUCH_FEATURE_DIRECTORY_DOCS | \
-     NOTMUCH_FEATURE_BOOL_FOLDER)
+     NOTMUCH_FEATURE_BOOL_FOLDER | NOTMUCH_FEATURE_GHOSTS)
 
 /* Return the list of terms from the given iterator matching a prefix.
  * The prefix will be stripped from the strings in the returned list.