$ git fetch origin
```
#### LibGit2Sharp
```csharp
using (var repo = new Repository("path/to/your/repo"))
{
    Remote remote = repo.Network.Remotes["origin"];
    repo.Network.Fetch(remote);
}
```

### Fetch all remotes, using authentication
####Git

#### LibGit2Sharp
```csharp
using (var repo = new Repository("path/to/your/repo"))
{
    foreach(Remote remote in repo.Network.Remotes)
    {
        FetchOptions options = new FetchOptions();
        options.CredentialsProvider = new CredentialsHandler(
            (url, usernameFromUrl, types) => 
                new UsernamePasswordCredentials() 
                {
                    Username = USERNAME,
                    Password = PASSWORD
                });
        repo.Network.Fetch(remote, options);
    }
}