From 451fb4ab1466a86c60b1900374b4d822d020471b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 5 Nov 2024 09:28:01 +0200
Subject: Sketch improvements to ci_start::rebuild()

---
 mod/ci-common.cxx | 16 +++++++++++++++-
 mod/ci-common.hxx | 12 +++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/mod/ci-common.cxx b/mod/ci-common.cxx
index 5b039ef..164cace 100644
--- a/mod/ci-common.cxx
+++ b/mod/ci-common.cxx
@@ -819,10 +819,16 @@ namespace brep
   }
 
   optional<build_state> ci_start::
-  rebuild (odb::core::database& db, const build_id& id) const
+  rebuild (odb::core::database& db,
+           const build_id& id,
+           function<optional<string> (const tenant_service&,
+                                      build_state)> uf) const
   {
     using namespace odb::core;
 
+    //@@@ Should we not retry transactions (here and in other functions that
+    //    update)?
+
     // NOTE: don't forget to update build_force::handle() if changing anything
     //       here.
     //
@@ -850,6 +856,14 @@ namespace brep
         b->force = force;
         db.update (b);
       }
+
+      if (uf != nullptr)
+      {
+        // @@ TODO:
+        //
+        // - get tenant from build object?
+        // - call function and update tenant if necessary.
+      }
     }
 
     t.commit ();
diff --git a/mod/ci-common.hxx b/mod/ci-common.hxx
index 1703ae0..e574760 100644
--- a/mod/ci-common.hxx
+++ b/mod/ci-common.hxx
@@ -200,10 +200,20 @@ namespace brep
     // possible to avoid races). Instead, it is assumed the service will
     // perform any equivalent actions directly based on the returned state.
     //
+    // The last argument, if not NULL, is called to update the service data
+    // associated with the tenant to which this build object belongs. It has
+    // the same semantics as the retuned function in the tenant service
+    // callbacks (see tenant_service_build_queued). Note that it is only
+    // called if the rebuild was actually schedules, that is, the current
+    // state is building or built.
+    //
     // Note: should be called out of the database transaction.
     //
     optional<build_state>
-    rebuild (odb::core::database&, const build_id&) const;
+    rebuild (odb::core::database&,
+             const build_id&,
+             function<optional<string> (const tenant_service&,
+                                        build_state)> = nullptr) const;
 
     // Find the tenant given the tenant service type and id and return the
     // associated data or nullopt if there is no such tenant.
-- 
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