Function make_patch

sequencer.c:3731–3778

}

static int make_patch(struct repository *r,
		      struct commit *commit,
		      struct replay_opts *opts)
{
	struct rev_info log_tree_opt;
	const char *subject;
	char hex[GIT_MAX_HEXSZ + 1];
	int res = 0;

	if (!is_rebase_i(opts))
		BUG("make_patch should only be called when rebasing");

	oid_to_hex_r(hex, &commit->object.oid);
	if (write_message(hex, strlen(hex), rebase_path_stopped_sha(), 1) < 0)
		return -1;
	res |= write_rebase_head(&commit->object.oid);

	memset(&log_tree_opt, 0, sizeof(log_tree_opt));
	repo_init_revisions(r, &log_tree_opt, NULL);
	log_tree_opt.abbrev = 0;
	log_tree_opt.diff = 1;
	log_tree_opt.diffopt.output_format = DIFF_FORMAT_PATCH;
	log_tree_opt.disable_stdin = 1;
	log_tree_opt.no_commit_id = 1;
	log_tree_opt.diffopt.file = fopen(rebase_path_patch(), "w");
	log_tree_opt.diffopt.use_color = GIT_COLOR_NEVER;
	if (!log_tree_opt.diffopt.file)
		res |= error_errno(_("could not open '%s'"),
				   rebase_path_patch());
	else {
		res |= log_tree_commit(&log_tree_opt, commit);
		fclose(log_tree_opt.diffopt.file);
	}

	if (!file_exists(rebase_path_message())) {
		const char *encoding = get_commit_output_encoding();
		const char *commit_buffer = repo_logmsg_reencode(r,
								 commit, NULL,
								 encoding);
		find_commit_subject(commit_buffer, &subject);
		res |= write_message(subject, strlen(subject), rebase_path_message(), 1);
		repo_unuse_commit_buffer(r, commit,
					 commit_buffer);
	}
	release_revisions(&log_tree_opt);

	return res;
}

static int intend_to_amend(void)
{