Files
git-anchor/repo-backup-util/Actions/Create.cs

108 lines
3.8 KiB
C#

using GitAnchor.Lib;
using Octokit;
using System.Diagnostics;
namespace GitAnchor.Actions;
public class Create : BaseAction
{
public new static async Task<ActivityStatusCode> Run()
{
string[] args = Environment.GetCommandLineArgs();
string? backupName = args.FirstOrDefault(arg => arg.StartsWith("--name"));
string? token = args.FirstOrDefault(arg => arg.StartsWith("--token"));
bool verbose = args.Any(arg => arg.StartsWith("--verbose")
|| arg.StartsWith("-v"));
// find or configure the default backup directory
DirectoryInfo backupDir = FileSystemTools.SetUpMainBackupFile() ?? throw new Exception("Encountered a problem creating main backup directory");
// create backup file
DirectoryInfo? anchorDir = SetUpAnchor(backupDir, backupName);
if (anchorDir == null)
{
Console.WriteLine("Could not create anchor directory.");
return ActivityStatusCode.Error;
}
// authenticate with github
GitHubClient github = GitHub.CreateClient();
token = GitHub.Authenticate(github, token);
// load accessible repositories
IEnumerable<Repository> repos = await GitHub.GetRepos(github) ?? throw new Exception("No repos found");
// organize and ensure all repositories are unique
HashSet<Repository> uniqueRepos = GitHub.GetUniqueRepos(repos);
if (verbose)
{
// derive repository count and clone urls
var privateRepos = uniqueRepos.Where(r => r.Private);
var publicRepos = uniqueRepos.Where(r => !r.Private);
var cloneUrls = uniqueRepos.Select(r => r.CloneUrl);
Console.WriteLine($"Found {privateRepos.Count()} private repos and {publicRepos.Count()} public repos.");
}
// set up, update directories for hosting projects
HashSet<Repository> newProjects = Volumes.PopulateBackupDirectories(uniqueRepos, anchorDir);
// identify all work to be done and prepare as tasks
List<Task> taskPool = [];
foreach (Repository newProject in newProjects)
{
GitHub.CloneProjectOptions options = new()
{
BackupDir = anchorDir,
Repo = newProject,
Token = token,
User = github.User.Current().Result,
};
taskPool.Add(new Task(() => GitHub.CloneProject(options)));
}
Console.WriteLine($"Preparing to clone {taskPool.Count} repositories. Starting...");
// start a timer to track progress
Stopwatch stopwatch = new();
stopwatch.Start();
// execute all tasks
Parallel.ForEach(taskPool, task => task.Start());
Task.WaitAll([.. taskPool]);
stopwatch.Stop();
long elapsed = stopwatch.ElapsedMilliseconds < 1000
? stopwatch.ElapsedMilliseconds
: stopwatch.ElapsedMilliseconds / 1000;
string unit = stopwatch.ElapsedMilliseconds < 1000 ? "ms" : "s";
Console.WriteLine($"All tasks completed in {elapsed}{unit}. Exiting...");
return ActivityStatusCode.Ok;
}
private static DirectoryInfo? SetUpAnchor(DirectoryInfo backupDir, string? initialInput)
{
string defaultName = FileSystemTools.DefaultAnchorPath;
string? backupName = initialInput;
if (backupName == null)
{
Console.WriteLine($"Enter a name for this backup: (default {defaultName})");
backupName = Console.ReadLine();
if (backupName == "") backupName = defaultName;
}
if (backupName == null || backupName == "") throw new Exception("No backup name provided");
// create backup file
return Volumes.CreateAnchor(backupDir, backupName);
}
}