diff-lib.c: remove the_repository references

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/commit.c

@@ -908,7 +908,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 			if (ignore_submodule_arg &&
 			    !strcmp(ignore_submodule_arg, "all"))
 				flags.ignore_submodules = 1;
-			committable = index_differs_from(parent, &flags, 1);
+			committable = index_differs_from(the_repository,
+							 parent, &flags, 1);
 		}
 	}
 	strbuf_release(&committer_ident);

builtin/merge-ours.c

@@ -26,7 +26,7 @@ int cmd_merge_ours(int argc, const char **argv, const char *prefix)
 	 */
 	if (read_cache() < 0)
 		die_errno("read_cache failed");
-	if (index_differs_from("HEAD", NULL, 0))
+	if (index_differs_from(the_repository, "HEAD", NULL, 0))
 		exit(2);
 	exit(0);
 }

diff-lib.c

@@ -542,7 +542,7 @@ int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt)
 {
 	struct rev_info revs;
 
-	repo_init_revisions(the_repository, &revs, NULL);
+	repo_init_revisions(opt->repo, &revs, NULL);
 	copy_pathspec(&revs.prune_data, &opt->pathspec);
 	revs.diffopt = *opt;
 
@@ -551,13 +551,14 @@ int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt)
 	return 0;
 }
 
-int index_differs_from(const char *def, const struct diff_flags *flags,
+int index_differs_from(struct repository *r,
+		       const char *def, const struct diff_flags *flags,
 		       int ita_invisible_in_index)
 {
 	struct rev_info rev;
 	struct setup_revision_opt opt;
 
-	repo_init_revisions(the_repository, &rev, NULL);
+	repo_init_revisions(r, &rev, NULL);
 	memset(&opt, 0, sizeof(opt));
 	opt.def = def;
 	setup_revisions(0, NULL, &rev, &opt);

diff.h

@@ -436,7 +436,8 @@ int diff_result_code(struct diff_options *, int);
 
 void diff_no_index(struct repository *, struct rev_info *, int, const char **);
 
-int index_differs_from(const char *def, const struct diff_flags *flags,
+int index_differs_from(struct repository *r, const char *def,
+		       const struct diff_flags *flags,
 		       int ita_invisible_in_index);
 
 /*

sequencer.c

@@ -1713,7 +1713,7 @@ static int do_pick_commit(struct repository *r,
 			unborn = 1;
 		} else if (unborn)
 			oidcpy(&head, the_hash_algo->empty_tree);
-		if (index_differs_from(unborn ? empty_tree_oid_hex() : "HEAD",
+		if (index_differs_from(r, unborn ? empty_tree_oid_hex() : "HEAD",
 				       NULL, 0))
 			return error_dirty_index(r->index, opts);
 	}
@@ -3915,7 +3915,7 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts)
 			if (res)
 				goto release_todo_list;
 		}
-		if (index_differs_from("HEAD", NULL, 0)) {
+		if (index_differs_from(r, "HEAD", NULL, 0)) {
 			res = error_dirty_index(r->index, opts);
 			goto release_todo_list;
 		}