sha1_file: convert index_fd to struct object_id

Convert all remaining callers as well.

Signed-off-by: Patryk Obara <patryk.obara@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/difftool.c

@@ -111,7 +111,7 @@ static int use_wt_file(const char *workdir, const char *name,
 		int fd = open(buf.buf, O_RDONLY);
 
 		if (fd >= 0 &&
-		    !index_fd(wt_oid.hash, fd, &st, OBJ_BLOB, name, 0)) {
+		    !index_fd(&wt_oid, fd, &st, OBJ_BLOB, name, 0)) {
 			if (is_null_oid(oid)) {
 				oidcpy(oid, &wt_oid);
 				use = 1;

builtin/hash-object.c

@@ -38,7 +38,7 @@ static void hash_fd(int fd, const char *type, const char *path, unsigned flags,
 	if (fstat(fd, &st) < 0 ||
 	    (literally
 	     ? hash_literally(&oid, fd, type, flags)
-	     : index_fd(oid.hash, fd, &st, type_from_string(type), path, flags)))
+	     : index_fd(&oid, fd, &st, type_from_string(type), path, flags)))
 		die((flags & HASH_WRITE_OBJECT)
 		    ? "Unable to add %s to database"
 		    : "Unable to hash %s", path);

builtin/replace.c

@@ -269,7 +269,7 @@ static void import_object(struct object_id *oid, enum object_type type,
 
 		if (fstat(fd, &st) < 0)
 			die_errno("unable to fstat %s", filename);
-		if (index_fd(oid->hash, fd, &st, type, NULL, flags) < 0)
+		if (index_fd(oid, fd, &st, type, NULL, flags) < 0)
 			die("unable to write object to database");
 		/* index_fd close()s fd for us */
 	}

cache.h

@@ -684,7 +684,7 @@ 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_fd(struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
 extern int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags);
 
 /*

read-cache.c

@@ -161,7 +161,7 @@ static int ce_compare_data(const struct cache_entry *ce, struct stat *st)
 
 	if (fd >= 0) {
 		struct object_id oid;
-		if (!index_fd(oid.hash, fd, st, OBJ_BLOB, ce->name, 0))
+		if (!index_fd(&oid, fd, st, OBJ_BLOB, ce->name, 0))
 			match = oidcmp(&oid, &ce->oid);
 		/* index_fd() closed the file descriptor already */
 	}

sha1_file.c

@@ -3662,7 +3662,7 @@ static int index_stream(unsigned char *sha1, int fd, size_t size,
 	return index_bulk_checkin(sha1, fd, size, type, path, flags);
 }
 
-int index_fd(unsigned char *sha1, int fd, struct stat *st,
+int index_fd(struct object_id *oid, int fd, struct stat *st,
 	     enum object_type type, const char *path, unsigned flags)
 {
 	int ret;
@@ -3672,15 +3672,15 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st,
 	 * die() for large files.
 	 */
 	if (type == OBJ_BLOB && path && would_convert_to_git_filter_fd(path))
-		ret = index_stream_convert_blob(sha1, fd, path, flags);
+		ret = index_stream_convert_blob(oid->hash, fd, path, flags);
 	else if (!S_ISREG(st->st_mode))
-		ret = index_pipe(sha1, fd, type, path, flags);
+		ret = index_pipe(oid->hash, fd, type, path, flags);
 	else if (st->st_size <= big_file_threshold || type != OBJ_BLOB ||
 		 (path && would_convert_to_git(&the_index, path)))
-		ret = index_core(sha1, fd, xsize_t(st->st_size), type, path,
+		ret = index_core(oid->hash, fd, xsize_t(st->st_size), type, path,
 				 flags);
 	else
-		ret = index_stream(sha1, fd, xsize_t(st->st_size), type, path,
+		ret = index_stream(oid->hash, fd, xsize_t(st->st_size), type, path,
 				   flags);
 	close(fd);
 	return ret;
@@ -3696,7 +3696,7 @@ int index_path(struct object_id *oid, const char *path, struct stat *st, unsigne
 		fd = open(path, O_RDONLY);
 		if (fd < 0)
 			return error_errno("open(\"%s\")", path);
-		if (index_fd(oid->hash, fd, st, OBJ_BLOB, path, flags) < 0)
+		if (index_fd(oid, fd, st, OBJ_BLOB, path, flags) < 0)
 			return error("%s: failed to insert into database",
 				     path);
 		break;