Add support for build include/exclude manifest values

1 files changed, 40 insertions, 2 deletions

diff --git a/libbrep/build-package.hxx b/libbrep/build-package.hxx
index 8bc703a..324303d 100644
--- a/libbrep/build-package.hxx
+++ b/libbrep/build-package.hxx
@@ -23,7 +23,7 @@ namespace brep
   // The mapping is established in build-extra.sql. We also explicitly mark
   // non-primary key foreign-mapped members in the source object.
   //
-  // Foreign object that is mapped to the subset of repository object.
+  // Foreign object that is mapped to a subset of repository object.
   //
   #pragma db object table("build_repository") pointer(shared_ptr) readonly
   class build_repository
@@ -46,7 +46,18 @@ namespace brep
     build_repository () = default;
   };
 
-  // Foreign object that is mapped to the subset of package object.
+  // "Foreign" value type that is mapped to a subset of the build_constraint
+  // value type (see libbpkg/manifest.hxx for details).
+  //
+  #pragma db value
+  struct build_constraint_subset
+  {
+    bool exclusion;
+    string config;
+    optional<string> target;
+  };
+
+  // Foreign object that is mapped to a subset of package object.
   //
   #pragma db object table("build_package") pointer(shared_ptr) readonly
   class build_package
@@ -56,10 +67,16 @@ namespace brep
     upstream_version version;
     lazy_shared_ptr<build_repository> internal_repository;
 
+    // Mapped to a subset of the package object build_constraints member
+    // using the PostgreSQL foreign table mechanism.
+    //
+    vector<build_constraint_subset> constraints;
+
     // Database mapping.
     //
     #pragma db member(id) id column("")
     #pragma db member(version) set(this.version.init (this.id.version, (?)))
+    #pragma db member(constraints) id_column("") value_column("")
 
   private:
     friend class odb::access;
@@ -102,6 +119,27 @@ namespace brep
     //
     #pragma db member(result) column("count(" + build_package::id.name + ")")
   };
+
+  // Packages that have the build constraints. Note that only buildable
+  // (internal and non-stub) packages can have such constraints, so there is
+  // no need for additional checks.
+  //
+  #pragma db view                                                     \
+    table("build_package_constraints" = "c")                          \
+    object(build_package = package inner:                             \
+           "c.exclusion AND "                                         \
+           "c.name = " + package::id.name + "AND" +                   \
+           "c.version_epoch = " + package::id.version.epoch + "AND" + \
+           "c.version_canonical_upstream = " +                        \
+             package::id.version.canonical_upstream + "AND" +         \
+           "c.version_canonical_release = " +                         \
+             package::id.version.canonical_release + "AND" +          \
+           "c.version_revision = " + package::id.version.revision)    \
+    query(distinct)
+  struct build_constrained_package
+  {
+    shared_ptr<build_package> package;
+  };
 }
 
 #endif // LIBBREP_BUILD_PACKAGE_HXX