Merge branch 'sp/refs-reduce-the-repository' into jch

Code clean-up to use the right instance of a repository instance in
calls inside refs subsystem.

* sp/refs-reduce-the-repository:
  refs/reftable-backend: drop uses of the_repository
  refs: remove the_hash_algo global state
  refs: add struct repository parameter in get_files_ref_lock_timeout_ms()

diff --cc refs.c
Simple merge

diff --cc refs/files-backend.c
Simple merge

diff --cc refs/reftable-backend.c
index daea30a5b4cad91314b40b51d56b49a37720fc63,7c8a992fcb40b9c55de439b7bcca681ced29a815..4921b456ffa7a28cc744a8fbe86cedcc53c5d3e6
--- 1/refs/reftable-backend.c
--- 2/refs/reftable-backend.c
+++ b/refs/reftable-backend.c
@@@ -403,8 -408,9 +403,8 @@@ static struct ref_store *reftable_be_in
        refs->write_options.disable_auto_compact =
                !git_env_bool("GIT_TEST_REFTABLE_AUTOCOMPACTION", 1);
        refs->write_options.lock_timeout_ms = 100;
 -      refs->write_options.fsync = reftable_be_fsync;
  
-       repo_config(the_repository, reftable_be_config, &refs->write_options);
+       repo_config(repo, reftable_be_config, &refs->write_options);
  
        /*
         * It is somewhat unfortunate that we have to mirror the default block