Function write_commit_with_parents

builtin/stash.c:2076–2131

}

static int write_commit_with_parents(struct repository *r,
				     struct object_id *out,
				     const struct object_id *oid,
				     struct commit_list *parents)
{
	size_t author_len, committer_len;
	struct commit *this;
	const char *orig_author, *orig_committer;
	char *author = NULL, *committer = NULL;
	const char *buffer;
	unsigned long bufsize;
	const char *p;
	struct strbuf msg = STRBUF_INIT;
	int ret = 0;
	struct ident_split id;

	this = lookup_commit_reference(r, oid);
	buffer = repo_get_commit_buffer(r, this, &bufsize);
	orig_author = find_commit_header(buffer, "author", &author_len);
	orig_committer = find_commit_header(buffer, "committer", &committer_len);

	if (!orig_author || !orig_committer) {
		ret = error(_("cannot parse commit %s"), oid_to_hex(oid));
		goto out;
	}

	if (split_ident_line(&id, orig_author, author_len) < 0 ||
	    split_ident_line(&id, orig_committer, committer_len) < 0) {
		ret = error(_("invalid author or committer for %s"), oid_to_hex(oid));
		goto out;
	}

	p = strstr(buffer, "\n\n");
	strbuf_addstr(&msg, "git stash: ");

	if (p)
		strbuf_add(&msg, p + 2, bufsize - (p + 2 - buffer));
	strbuf_complete_line(&msg);

	author = xmemdupz(orig_author, author_len);
	committer = xmemdupz(orig_committer, committer_len);

	if (commit_tree_extended(msg.buf, msg.len,
				 r->hash_algo->empty_tree, parents,
				 out, author, committer,
				 NULL, NULL)) {
		ret = error(_("could not write commit"));
		goto out;
	}
out:
	strbuf_release(&msg);
	repo_unuse_commit_buffer(r, this, buffer);
	free(author);
	free(committer);
	return ret;
}

static int do_import_stash(struct repository *r, const char *rev)