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using System;
using System.Diagnostics;
using System.Globalization;
using LibGit2Sharp.Core;
using LibGit2Sharp.Core.Handles;
namespace LibGit2Sharp
{
/// <summary>
/// A remote repository whose branches are tracked.
/// </summary>
[DebuggerDisplay("{DebuggerDisplay,nq}")]
public class Remote : IEquatable<Remote>
{
private static readonly LambdaEqualityHelper<Remote> equalityHelper =
new LambdaEqualityHelper<Remote>(x => x.Name, x => x.Url);
private readonly Repository repository;
/// <summary>
/// Needed for mocking purposes.
/// </summary>
protected Remote()
{ }
private Remote(Repository repository, string name, string url)
{
this.repository = repository;
Name = name;
Url = url;
}
internal static Remote BuildFromPtr(RemoteSafeHandle handle, Repository repo)
{
string name = Proxy.git_remote_name(handle);
string url = Proxy.git_remote_url(handle);
var remote = new Remote(repo, name, url);
return remote;
}
/// <summary>
/// Gets the alias of this remote repository.
/// </summary>
public virtual string Name { get; private set; }
/// <summary>
/// Gets the url to use to communicate with this remote repository.
/// </summary>
public virtual string Url { get; private set; }
/// <summary>
/// Transform a reference to its source reference using the <see cref = "Remote" />'s default fetchspec.
/// </summary>
/// <param name="reference">The reference to transform.</param>
/// <returns>The transformed reference.</returns>
internal string FetchSpecTransformToSource(string reference)
{
using (RemoteSafeHandle remoteHandle = Proxy.git_remote_load(repository.Handle, Name, true))
{
GitRefSpecHandle fetchSpecPtr = Proxy.git_remote_get_refspec(remoteHandle, 0);
return Proxy.git_refspec_rtransform(fetchSpecPtr, reference);
}
}
/// <summary>
/// Determines whether the specified <see cref = "Object" /> is equal to the current <see cref = "Remote" />.
/// </summary>
/// <param name = "obj">The <see cref = "Object" /> to compare with the current <see cref = "Remote" />.</param>
/// <returns>True if the specified <see cref = "Object" /> is equal to the current <see cref = "Remote" />; otherwise, false.</returns>
public override bool Equals(object obj)
{
return Equals(obj as Remote);
}
/// <summary>
/// Determines whether the specified <see cref = "Remote" /> is equal to the current <see cref = "Remote" />.
/// </summary>
/// <param name = "other">The <see cref = "Remote" /> to compare with the current <see cref = "Remote" />.</param>
/// <returns>True if the specified <see cref = "Remote" /> is equal to the current <see cref = "Remote" />; otherwise, false.</returns>
public bool Equals(Remote other)
{
return equalityHelper.Equals(this, other);
}
/// <summary>
/// Returns the hash code for this instance.
/// </summary>
/// <returns>A 32-bit signed integer hash code.</returns>
public override int GetHashCode()
{
return equalityHelper.GetHashCode(this);
}
/// <summary>
/// Tests if two <see cref = "Remote" /> are equal.
/// </summary>
/// <param name = "left">First <see cref = "Remote" /> to compare.</param>
/// <param name = "right">Second <see cref = "Remote" /> to compare.</param>
/// <returns>True if the two objects are equal; false otherwise.</returns>
public static bool operator ==(Remote left, Remote right)
{
return Equals(left, right);
}
/// <summary>
/// Tests if two <see cref = "Remote" /> are different.
/// </summary>
/// <param name = "left">First <see cref = "Remote" /> to compare.</param>
/// <param name = "right">Second <see cref = "Remote" /> to compare.</param>
/// <returns>True if the two objects are different; false otherwise.</returns>
public static bool operator !=(Remote left, Remote right)
{
return !Equals(left, right);
}
private string DebuggerDisplay
{
get
{
return string.Format(CultureInfo.InvariantCulture,
"{0} => {1}", Name, Url);
}
}
}
}
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