Add SyncV2 skeleton and add migration to store serialized components

package.yaml

@@ -44,7 +44,9 @@ dependencies:
 - bytestring
 - bytes
 - case-insensitive
+- cborg
 - clock
+- conduit
 - containers
 - cookie
 - cryptonite
@@ -94,7 +96,10 @@ dependencies:
 - servant-auth
 - servant-client
 - servant-server
+- servant-conduit
+- serialise
 - stm
+- stm-chans
 - text
 - these
 - time

share-api.cabal

@@ -34,6 +34,8 @@ library
       Share.BackgroundJobs.Monad
       Share.BackgroundJobs.Search.DefinitionSync
       Share.BackgroundJobs.Search.DefinitionSync.Types
+      Share.BackgroundJobs.SerializedEntitiesMigration.Queries
+      Share.BackgroundJobs.SerializedEntitiesMigration.Worker
       Share.BackgroundJobs.Workers
       Share.Branch
       Share.Codebase
@@ -94,6 +96,7 @@ library
       Share.Utils.Logging.Types
       Share.Utils.Postgres
       Share.Utils.Servant
+      Share.Utils.Servant.CBOR
       Share.Utils.Servant.Client
       Share.Utils.Servant.PathInfo
       Share.Utils.Servant.RawRequest
@@ -152,6 +155,9 @@ library
       Share.Web.UCM.Sync.HashJWT
       Share.Web.UCM.Sync.Impl
       Share.Web.UCM.Sync.Types
+      Share.Web.UCM.SyncV2.API
+      Share.Web.UCM.SyncV2.Impl
+      Share.Web.UCM.SyncV2.Queries
       Unison.PrettyPrintEnvDecl.Postgres
       Unison.Server.NameSearch.Postgres
       Unison.Server.Share.Definitions
@@ -208,7 +214,9 @@ library
     , bytes
     , bytestring
     , case-insensitive
+    , cborg
     , clock
+    , conduit
     , containers
     , cookie
     , cryptonite
@@ -252,13 +260,16 @@ library
     , raven-haskell
     , safe
     , semialign
+    , serialise
     , servant
     , servant-auth
     , servant-client
+    , servant-conduit
     , servant-server
     , share-auth
     , share-utils
     , stm
+    , stm-chans
     , text
     , these
     , time
@@ -351,7 +362,9 @@ executable share-api
     , bytes
     , bytestring
     , case-insensitive
+    , cborg
     , clock
+    , conduit
     , containers
     , cookie
     , cryptonite
@@ -395,14 +408,17 @@ executable share-api
     , raven-haskell
     , safe
     , semialign
+    , serialise
     , servant
     , servant-auth
     , servant-client
+    , servant-conduit
     , servant-server
     , share-api
     , share-auth
     , share-utils
     , stm
+    , stm-chans
     , text
     , these
     , time

sql/2023-10-18-00-00_temp_entities.sql

@@ -92,6 +92,8 @@ END;
 $$ LANGUAGE plpgsql;
 
 -- Copies ALL dependencies of a causal into the codebase.
+-- 
+-- Note: This has been replaced in a later migration.
 CREATE OR REPLACE FUNCTION copy_causal_into_codebase(causal_id_to_copy INTEGER, from_codebase_user_id UUID, to_codebase_user_id UUID)
 RETURNS VOID AS $$
 DECLARE copied_hash TEXT;