patch-ids.c: remove implicit dependency on the_index

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

builtin/log.c

@@ -914,7 +914,7 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
 	if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING))
 		die(_("Not a range."));
 
-	init_patch_ids(ids);
+	init_patch_ids(the_repository, ids);
 
 	/* given a range a..b get all patch ids for b..a */
 	init_revisions(&check_rev, rev->prefix);

patch-ids.c

@@ -56,10 +56,10 @@ static int patch_id_cmp(const void *cmpfn_data,
 	return oidcmp(&a->patch_id, &b->patch_id);
 }
 
-int init_patch_ids(struct patch_ids *ids)
+int init_patch_ids(struct repository *r, struct patch_ids *ids)
 {
 	memset(ids, 0, sizeof(*ids));
-	repo_diff_setup(the_repository, &ids->diffopts);
+	repo_diff_setup(r, &ids->diffopts);
 	ids->diffopts.detect_rename = 0;
 	ids->diffopts.flags.recursive = 1;
 	diff_setup_done(&ids->diffopts);

patch-ids.h

@@ -6,6 +6,7 @@
 
 struct commit;
 struct object_id;
+struct repository;
 
 struct patch_id {
 	struct hashmap_entry ent;
@@ -20,7 +21,7 @@ struct patch_ids {
 
 int commit_patch_id(struct commit *commit, struct diff_options *options,
 		    struct object_id *oid, int);
-int init_patch_ids(struct patch_ids *);
+int init_patch_ids(struct repository *, struct patch_ids *);
 int free_patch_ids(struct patch_ids *);
 struct patch_id *add_commit_patch_id(struct commit *, struct patch_ids *);
 struct patch_id *has_commit_patch_id(struct commit *, struct patch_ids *);

revision.c

@@ -877,7 +877,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
 		return;
 
 	left_first = left_count < right_count;
-	init_patch_ids(&ids);
+	init_patch_ids(the_repository, &ids);
 	ids.diffopts.pathspec = revs->diffopt.pathspec;
 
 	/* Compute patch-ids for one side */