Clone GitHub Team Permissions

ClonePermissions.cs

    public async Task CloneTeamPermissions()
    {
        var gitApi = new GitHubClient(new ProductHeaderValue("my-app"));
        var tokenAuth = new Credentials("finely-grained-pat-with-repo-permissions");
        gitApi.Credentials = tokenAuth;

        const string organisationName = "your-org";
        const string teamToClonePermissionsFrom = "your-team";
        const string targetTeamToApplyPermissionsTo = "your-target-team";
        
        var sourceTeam = await gitApi.Organization.Team.GetByName(organisationName, teamToClonePermissionsFrom);

        var teamRepos = await gitApi.Organization.Team.GetAllRepositories(sourceTeam.Id);
        var teamRepositories = teamRepos.ToList();
        
        foreach (var repo in teamRepositories)
        {
            var permission = "pull";
            if (repo.Permissions.Maintain)
            {
                permission = "maintain";
            }
            else if (repo.Permissions.Push)
            {
                permission = "push";
            }
            
            await gitApi.Organization.Team.AddOrUpdateTeamRepositoryPermissions(
                organisationName, targetTeamToApplyPermissionsTo, 
                repo.Owner.Login, repo.Name, permission);
        }
    }