[PATCH v2 04/12] lib: Add a ghost messages database feature

[Austin Clements]

From: Austin Clements 

This will be implemented over the next several patches.  The feature
is not yet "enabled" (this does not add it to
NOTMUCH_FEATURES_CURRENT).
---
 lib/database-private.h | 7 +++
 lib/database.cc| 2 ++
 2 files changed, 9 insertions(+)

diff --git a/lib/database-private.h b/lib/database-private.h
index ca0751c..e2e4bc8 100644
--- a/lib/database-private.h
+++ b/lib/database-private.h
@@ -85,6 +85,13 @@ 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,
 };

 /* In C++, a named enum is its own type, so define bitwise operators
diff --git a/lib/database.cc b/lib/database.cc
index 1c6ffc5..8fd7fad 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -286,6 +286,8 @@ static const struct {
   "from/subject/message-ID in database", "w" },
 { NOTMUCH_FEATURE_BOOL_FOLDER,
   "exact folder:/path: search", "rw" },
+{ NOTMUCH_FEATURE_GHOSTS,
+  "mail documents for missing messages", "w"},
 };

 const char *
-- 
2.1.0

[PATCH v2 04/12] lib: Add a ghost messages database feature

[Austin Clements]

From: Austin Clements amdra...@mit.edu

This will be implemented over the next several patches.  The feature
is not yet enabled (this does not add it to
NOTMUCH_FEATURES_CURRENT).
---
 lib/database-private.h | 7 +++
 lib/database.cc| 2 ++
 2 files changed, 9 insertions(+)

diff --git a/lib/database-private.h b/lib/database-private.h
index ca0751c..e2e4bc8 100644
--- a/lib/database-private.h
+++ b/lib/database-private.h
@@ -85,6 +85,13 @@ 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,
 };
 
 /* In C++, a named enum is its own type, so define bitwise operators
diff --git a/lib/database.cc b/lib/database.cc
index 1c6ffc5..8fd7fad 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -286,6 +286,8 @@ static const struct {
   from/subject/message-ID in database, w },
 { NOTMUCH_FEATURE_BOOL_FOLDER,
   exact folder:/path: search, rw },
+{ NOTMUCH_FEATURE_GHOSTS,
+  mail documents for missing messages, w},
 };
 
 const char *
-- 
2.1.0

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