// SPDX-FileCopyrightText: 2025 Romain Maneschi <romain@gitroot.dev>
//
// SPDX-License-Identifier: EUPL-1.2

package repository

import (
	"github.com/go-git/go-git/v6/plumbing"
	"github.com/go-git/go-git/v6/plumbing/object"
	"github.com/samber/oops"
)

func (repo *GitRootRepositoryWrite) IsForcePush(old plumbing.Hash, new plumbing.Hash) (bool, error) {
	unlock := repo.repo.manager.repoLocks.Read(repo.repo.name)
	defer unlock()

	commitOld, err := object.GetCommit(repo.storer, old)
	if err != nil {
		return false, oops.Wrapf(err, "commitOld")
	}
	commitNew, err := object.GetCommit(repo.storer, new)
	if err != nil {
		return false, oops.Wrapf(err, "commitNew")
	}
	ok, err := commitOld.IsAncestor(commitNew)
	if err != nil {
		return false, oops.Wrapf(err, "IsAncestor")
	}
	return !ok, err
}