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using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using LibGit2Sharp.Core;
namespace LibGit2Sharp
{
/// <summary>
/// Gets the current LibGit2Sharp version.
/// </summary>
public class Version
{
private readonly Assembly assembly = typeof(Repository).Assembly;
/// <summary>
/// Needed for mocking purposes.
/// </summary>
protected Version()
{ }
internal static Version Build()
{
return new Version();
}
/// <summary>
/// Returns version of the LibGit2Sharp library.
/// </summary>
public virtual string InformationalVersion
{
get
{
var attribute = (AssemblyInformationalVersionAttribute)assembly
.GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false)
.Single();
return attribute.InformationalVersion;
}
}
/// <summary>
/// Returns all the optional features that were compiled into
/// libgit2.
/// </summary>
/// <returns>A <see cref="BuiltInFeatures"/> enumeration.</returns>
public virtual BuiltInFeatures Features
{
get
{
return Proxy.git_libgit2_features();
}
}
/// <summary>
/// Returns the SHA hash for the libgit2 library.
/// </summary>
public virtual string LibGit2CommitSha
{
get
{
return ReadContentFromResource(assembly, "libgit2_hash.txt").Substring(0, 7);
}
}
/// <summary>
/// Returns the SHA hash for the LibGit2Sharp library.
/// </summary>
public virtual string LibGit2SharpCommitSha
{
get
{
return ReadContentFromResource(assembly, "libgit2sharp_hash.txt").Substring(0, 7);
}
}
/// <summary>
/// Returns a string representing the LibGit2Sharp version.
/// </summary>
/// <para>
/// The format of the version number is as follows:
/// <para>Major.Minor.Patch-LibGit2Sharp_abbrev_hash-libgit2_abbrev_hash (x86|amd64 - features)</para>
/// </para>
/// <returns></returns>
public override string ToString()
{
return RetrieveVersion();
}
private string RetrieveVersion()
{
string features = Features.ToString();
return string.Format(
CultureInfo.InvariantCulture,
"{0}-{1}-{2} ({3} - {4})",
InformationalVersion,
LibGit2SharpCommitSha,
LibGit2CommitSha,
Platform.ProcessorArchitecture,
features);
}
private string ReadContentFromResource(Assembly assembly, string partialResourceName)
{
string name = string.Format(CultureInfo.InvariantCulture, "LibGit2Sharp.{0}", partialResourceName);
using (var sr = new StreamReader(assembly.GetManifestResourceStream(name)))
{
return sr.ReadLine();
}
}
}
}
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