refs/files: stop using the_repository

Convert the files ref backend to stop using `the_repository` in favor of
the repo that gets passed in via `struct ref_store`.

Signed-off-by: Patrick Steinhardt <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: pks-t

refs/files-backend.c

@@ -1,5 +1,3 @@
-#define USE_THE_REPOSITORY_VARIABLE
-
 #include "../git-compat-util.h"
 #include "../copy.h"
 #include "../environment.h"
@@ -248,7 +246,7 @@ static void loose_fill_ref_dir_regular_file(struct files_ref_store *refs,
 
 	if (!refs_resolve_ref_unsafe(&refs->base, refname, RESOLVE_REF_READING,
 				     &oid, &flag)) {
-		oidclr(&oid, the_repository->hash_algo);
+		oidclr(&oid, refs->base.repo->hash_algo);
 		flag |= REF_ISBROKEN;
 	} else if (is_null_oid(&oid)) {
 		/*
@@ -265,7 +263,7 @@ static void loose_fill_ref_dir_regular_file(struct files_ref_store *refs,
 	if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
 		if (!refname_is_safe(refname))
 			die("loose refname is dangerous: %s", refname);
-		oidclr(&oid, the_repository->hash_algo);
+		oidclr(&oid, refs->base.repo->hash_algo);
 		flag |= REF_BAD_NAME | REF_ISBROKEN;
 	}
 	add_entry_to_dir(dir, create_ref_entry(refname, &oid, flag));
@@ -1154,7 +1152,7 @@ static struct ref_lock *lock_ref_oid_basic(struct files_ref_store *refs,
 
 	if (!refs_resolve_ref_unsafe(&refs->base, lock->ref_name, 0,
 				     &lock->old_oid, NULL))
-		oidclr(&lock->old_oid, the_repository->hash_algo);
+		oidclr(&lock->old_oid, refs->base.repo->hash_algo);
 	goto out;
 
  error_return: