path: stop relying on the_repository when reporting garbage

We access `the_repository` in `report_linked_checkout_garbage()` both
directly and indirectly via `get_git_dir()`. Remove this dependency by
instead passing a `struct repository` as parameter.

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

Author: pks-t

builtin/count-objects.c

@@ -113,7 +113,7 @@ int cmd_count_objects(int argc, const char **argv, const char *prefix)
 		usage_with_options(count_objects_usage, opts);
 	if (verbose) {
 		report_garbage = real_report_garbage;
-		report_linked_checkout_garbage();
+		report_linked_checkout_garbage(the_repository);
 	}
 
 	for_each_loose_file_in_objdir(get_object_directory(),

path.c

@@ -365,15 +365,15 @@ static void update_common_dir(struct strbuf *buf, int git_dir_len,
 		strbuf_addstr(buf, LOCK_SUFFIX);
 }
 
-void report_linked_checkout_garbage(void)
+void report_linked_checkout_garbage(struct repository *r)
 {
 	struct strbuf sb = STRBUF_INIT;
 	const struct common_dir *p;
 	int len;
 
-	if (!the_repository->different_commondir)
+	if (!r->different_commondir)
 		return;
-	strbuf_addf(&sb, "%s/", get_git_dir());
+	strbuf_addf(&sb, "%s/", r->gitdir);
 	len = sb.len;
 	for (p = common_list; p->path; p++) {
 		const char *path = p->path;

path.h

@@ -158,7 +158,7 @@ int strbuf_git_path_submodule(struct strbuf *sb, const char *path,
 				     const char *fmt, ...)
 	__attribute__((format (printf, 3, 4)));
 
-void report_linked_checkout_garbage(void);
+void report_linked_checkout_garbage(struct repository *r);
 
 /*
  * You can define a static memoized git path like: