refactor(c/driver_manager): split up adbc_driver_manager.cc for easier maintenance

.gitattributes

@@ -20,6 +20,10 @@ c/vendor/* linguist-vendored
 go/adbc/drivermgr/arrow-adbc/adbc.h linguist-generated
 go/adbc/drivermgr/arrow-adbc/adbc_driver_manager.h linguist-generated
 go/adbc/drivermgr/adbc_driver_manager.cc linguist-generated
+go/adbc/drivermgr/adbc_driver_manager_api.cc linguist-generated
+go/adbc/drivermgr/adbc_driver_manager_driver_loading.cc linguist-generated
+go/adbc/drivermgr/adbc_driver_manager_internal.h linguist-generated
+go/adbc/drivermgr/adbc_driver_manager_profiles.cc linguist-generated
 go/adbc/drivermgr/current_arch.h linguist-generated
 go/adbc/pkg/bigquery/* linguist-generated
 go/adbc/pkg/flightsql/* linguist-generated

.pre-commit-config.yaml

@@ -118,10 +118,16 @@ repos:
       files: '^c/include/arrow-adbc/[^/]*\.h$'
       entry: "./ci/scripts/run_cgo_drivermgr_check.sh"
     - id: check-cgo-adbc-impl
-      name: Ensure CGO adbc_driver_manager.cc is syncd
+      name: Ensure CGO adbc_driver_manager*.cc is syncd
       language: script
       pass_filenames: true
-      files: '^c/driver_manager/adbc_driver_manager\.cc$'
+      files: '^c/driver_manager/adbc_driver_manager(|_api|_profiles|_driver_loading)\.cc$'
+      entry: "./ci/scripts/run_cgo_drivermgr_check.sh"
+    - id: check-cgo-adbc-impl-headers
+      name: Ensure CGO adbc_driver_manager headers are syncd
+      language: script
+      pass_filenames: true
+      files: '^c/driver_manager/(adbc_driver_manager_internal|current_arch)\.h$'
       entry: "./ci/scripts/run_cgo_drivermgr_check.sh"
     # https://infra.apache.org/github-actions-policy.html
     - id: check-pin

c/driver_manager/CMakeLists.txt

@@ -46,6 +46,9 @@ endif()
 add_arrow_lib(adbc_driver_manager
               SOURCES
               adbc_driver_manager.cc
+              adbc_driver_manager_api.cc
+              adbc_driver_manager_driver_loading.cc
+              adbc_driver_manager_profiles.cc
               OUTPUTS
               ADBC_LIBRARIES
               CMAKE_PACKAGE_NAME