From aefe5be54c31070422d333fc195d171bdfaa7d7c Mon Sep 17 00:00:00 2001
From: Juan Cruz Viotti <jv@jviotti.com>
Date: Wed, 13 Nov 2024 15:36:49 -0400
Subject: [PATCH] Implement an enterprise-edition extension hook for `index`
 (#34)

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>
---
 src/enterprise/enterprise_index.h | 19 +++++++++++++++++++
 src/enterprise/index.cmake        |  4 ++++
 src/index/index.cc                | 16 +++++++++++++++-
 3 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 src/enterprise/enterprise_index.h

diff --git a/src/enterprise/enterprise_index.h b/src/enterprise/enterprise_index.h
new file mode 100644
index 0000000..651ffe2
--- /dev/null
+++ b/src/enterprise/enterprise_index.h
@@ -0,0 +1,19 @@
+#ifndef SOURCEMETA_REGISTRY_ENTERPRISE_INDEX_H_
+#define SOURCEMETA_REGISTRY_ENTERPRISE_INDEX_H_
+
+#include <sourcemeta/jsontoolkit/json.h>
+
+#include <cstdlib>    // EXIT_SUCCESS
+#include <filesystem> // std::filesystem
+
+namespace sourcemeta::registry::enterprise {
+
+auto attach(const sourcemeta::jsontoolkit::JSON &,
+            const std::filesystem::path &, const std::filesystem::path &)
+    -> int {
+  return EXIT_SUCCESS;
+}
+
+} // namespace sourcemeta::registry::enterprise
+
+#endif
diff --git a/src/enterprise/index.cmake b/src/enterprise/index.cmake
index a5f3e81..d45809c 100644
--- a/src/enterprise/index.cmake
+++ b/src/enterprise/index.cmake
@@ -1 +1,5 @@
 target_compile_definitions(schema_registry_index PRIVATE SOURCEMETA_REGISTRY_ENTERPRISE)
+
+cmake_path(GET CMAKE_CURRENT_LIST_FILE PARENT_PATH ENTERPRISE_SOURCE_DIR)
+target_sources(schema_registry_index PRIVATE "${ENTERPRISE_SOURCE_DIR}/enterprise_index.h")
+target_include_directories(schema_registry_index PRIVATE "${ENTERPRISE_SOURCE_DIR}")
diff --git a/src/index/index.cc b/src/index/index.cc
index 9e1730d..0c251ce 100644
--- a/src/index/index.cc
+++ b/src/index/index.cc
@@ -19,6 +19,10 @@
 #include <string_view> // std::string_view
 #include <vector>      // std::vector
 
+#ifdef SOURCEMETA_REGISTRY_ENTERPRISE
+#include "enterprise_index.h"
+#endif
+
 static auto index(const sourcemeta::jsontoolkit::JSON &configuration,
                   const std::filesystem::path &base,
                   const std::filesystem::path &output) -> int {
@@ -148,7 +152,17 @@ static auto index_main(const std::string_view &program,
   sourcemeta::jsontoolkit::prettify(configuration_copy, stream);
   stream << "\n";
 
-  return index(configuration, configuration_path.parent_path(), output);
+  const auto code{
+      index(configuration, configuration_path.parent_path(), output)};
+
+#ifdef SOURCEMETA_REGISTRY_ENTERPRISE
+  if (code == EXIT_SUCCESS) {
+    return sourcemeta::registry::enterprise::attach(
+        configuration, configuration_path.parent_path(), output);
+  }
+#endif
+
+  return code;
 }
 
 auto main(int argc, char *argv[]) noexcept -> int {