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using System;
using System.Collections;
using System.Collections.Generic;
using LibGit2Sharp.Core;
using LibGit2Sharp.Core.Handles;
namespace LibGit2Sharp
{
/// <summary>
/// Exposes properties of a remote that can be updated.
/// </summary>
public class RemoteUpdater : IDisposable
{
private readonly UpdatingCollection<string> fetchRefSpecs;
private readonly UpdatingCollection<string> pushRefSpecs;
private readonly RemoteSafeHandle remoteHandle;
/// <summary>
/// Needed for mocking purposes.
/// </summary>
protected RemoteUpdater()
{ }
internal RemoteUpdater(Repository repo, Remote remote)
{
Ensure.ArgumentNotNull(repo, "repo");
Ensure.ArgumentNotNull(remote, "remote");
fetchRefSpecs = new UpdatingCollection<string>(GetFetchRefSpecs, SetFetchRefSpecs);
pushRefSpecs = new UpdatingCollection<string>(GetPushRefSpecs, SetPushRefSpecs);
remoteHandle = Proxy.git_remote_lookup(repo.Handle, remote.Name, true);
}
private IEnumerable<string> GetFetchRefSpecs()
{
return Proxy.git_remote_get_fetch_refspecs(remoteHandle);
}
private void SetFetchRefSpecs(IEnumerable<string> value)
{
Proxy.git_remote_set_fetch_refspecs(remoteHandle, value);
Proxy.git_remote_save(remoteHandle);
}
private IEnumerable<string> GetPushRefSpecs()
{
return Proxy.git_remote_get_push_refspecs(remoteHandle);
}
private void SetPushRefSpecs(IEnumerable<string> value)
{
Proxy.git_remote_set_push_refspecs(remoteHandle, value);
Proxy.git_remote_save(remoteHandle);
}
/// <summary>
/// Set the default TagFetchMode value for the remote.
/// </summary>
public virtual TagFetchMode TagFetchMode
{
set
{
Proxy.git_remote_set_autotag(remoteHandle, value);
Proxy.git_remote_save(remoteHandle);
}
}
/// <summary>
/// Sets the url defined for this <see cref="Remote"/>
/// </summary>
public virtual string Url
{
set
{
Proxy.git_remote_set_url(remoteHandle, value);
Proxy.git_remote_save(remoteHandle);
}
}
/// <summary>
/// Sets the push url defined for this <see cref="Remote"/>
/// </summary>
public virtual string PushUrl
{
set
{
Proxy.git_remote_set_pushurl(remoteHandle, value);
Proxy.git_remote_save(remoteHandle);
}
}
/// <summary>
/// Sets the list of <see cref="RefSpec"/>s defined for this <see cref="Remote"/> that are intended to
/// be used during a Fetch operation
/// </summary>
public virtual ICollection<string> FetchRefSpecs
{
get { return fetchRefSpecs; }
set { fetchRefSpecs.ReplaceAll(value); }
}
/// <summary>
/// Sets or gets the list of <see cref="RefSpec"/>s defined for this <see cref="Remote"/> that are intended to
/// be used during a Push operation
/// </summary>
public virtual ICollection<string> PushRefSpecs
{
get { return pushRefSpecs; }
set { pushRefSpecs.ReplaceAll(value); }
}
private class UpdatingCollection<T> : ICollection<T>
{
private readonly Lazy<List<T>> list;
private readonly Action<IEnumerable<T>> setter;
public UpdatingCollection(Func<IEnumerable<T>> getter,
Action<IEnumerable<T>> setter)
{
list = new Lazy<List<T>>(() => new List<T>(getter()));
this.setter = setter;
}
public void Add(T item)
{
list.Value.Add(item);
Save();
}
public void Clear()
{
list.Value.Clear();
Save();
}
public bool Contains(T item)
{
return list.Value.Contains(item);
}
public void CopyTo(T[] array, int arrayIndex)
{
list.Value.CopyTo(array, arrayIndex);
}
public int Count
{
get { return list.Value.Count; }
}
public bool IsReadOnly
{
get { return false; }
}
public bool Remove(T item)
{
if (!list.Value.Remove(item))
{
return false;
}
Save();
return true;
}
public IEnumerator<T> GetEnumerator()
{
return list.Value.GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return list.Value.GetEnumerator();
}
public void ReplaceAll(IEnumerable<T> newValues)
{
Ensure.ArgumentNotNull(newValues, "newValues");
list.Value.Clear();
list.Value.AddRange(newValues);
Save();
}
private void Save()
{
setter(list.Value);
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
remoteHandle.Dispose();
}
}
}
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