sha1_file: convert index_path to struct object_id

Convert all remaining callers as well.
Signed-off-by: NPatryk Obara <patryk.obara@gmail.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

builtin/update-index.c

@@ -280,7 +280,7 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len
 	fill_stat_cache_info(ce, st);
 	ce->ce_mode = ce_mode_from_stat(old, st->st_mode);
 
-	if (index_path(ce->oid.hash, path, st,
+	if (index_path(&ce->oid, path, st,
 		       info_only ? 0 : HASH_WRITE_OBJECT)) {
 		free(ce);
 		return -1;

cache.h

@@ -685,7 +685,7 @@ extern int ie_modified(const struct index_state *, const struct cache_entry *, s
 #define HASH_WRITE_OBJECT 1
 #define HASH_FORMAT_CHECK 2
 extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
-extern int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags);
+extern int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags);
 
 /*
  * Record to sd the data from st that we use to check whether a file

diff.c

@@ -3246,7 +3246,7 @@ static void diff_fill_oid_info(struct diff_filespec *one)
 			}
 			if (lstat(one->path, &st) < 0)
 				die_errno("stat '%s'", one->path);
-			if (index_path(one->oid.hash, one->path, &st, 0))
+			if (index_path(&one->oid, one->path, &st, 0))
 				die("cannot hash %s", one->path);
 		}
 	}

notes-merge.c

@@ -709,7 +709,7 @@ int notes_merge_commit(struct notes_merge_options *o,
 		/* write file as blob, and add to partial_tree */
 		if (stat(path.buf, &st))
 			die_errno("Failed to stat '%s'", path.buf);
-		if (index_path(blob_oid.hash, path.buf, &st, HASH_WRITE_OBJECT))
+		if (index_path(&blob_oid, path.buf, &st, HASH_WRITE_OBJECT))
 			die("Failed to write blob object from '%s'", path.buf);
 		if (add_note(partial_tree, &obj_oid, &blob_oid, NULL))
 			die("Failed to add resolved note '%s' to notes tree",

read-cache.c

@@ -689,7 +689,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
 		return 0;
 	}
 	if (!intent_only) {
-		if (index_path(ce->oid.hash, path, st, HASH_WRITE_OBJECT)) {
+		if (index_path(&ce->oid, path, st, HASH_WRITE_OBJECT)) {
 			free(ce);
 			return error("unable to index file %s", path);
 		}

sha1_file.c

@@ -3686,7 +3686,7 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st,
 	return ret;
 }
 
-int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags)
+int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags)
 {
 	int fd;
 	struct strbuf sb = STRBUF_INIT;
@@ -3696,7 +3696,7 @@ int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned
 		fd = open(path, O_RDONLY);
 		if (fd < 0)
 			return error_errno("open(\"%s\")", path);
-		if (index_fd(sha1, fd, st, OBJ_BLOB, path, flags) < 0)
+		if (index_fd(oid->hash, fd, st, OBJ_BLOB, path, flags) < 0)
 			return error("%s: failed to insert into database",
 				     path);
 		break;
@@ -3704,14 +3704,14 @@ int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned
 		if (strbuf_readlink(&sb, path, st->st_size))
 			return error_errno("readlink(\"%s\")", path);
 		if (!(flags & HASH_WRITE_OBJECT))
-			hash_sha1_file(sb.buf, sb.len, blob_type, sha1);
-		else if (write_sha1_file(sb.buf, sb.len, blob_type, sha1))
+			hash_sha1_file(sb.buf, sb.len, blob_type, oid->hash);
+		else if (write_sha1_file(sb.buf, sb.len, blob_type, oid->hash))
 			return error("%s: failed to insert into database",
 				     path);
 		strbuf_release(&sb);
 		break;
 	case S_IFDIR:
-		return resolve_gitlink_ref(path, "HEAD", sha1);
+		return resolve_gitlink_ref(path, "HEAD", oid->hash);
 	default:
 		return error("%s: unsupported file type", path);
 	}