Merge remote-tracking branch 'remotes/origin/enhancements/async-git-setup-rollup' into enhancements/async-git-setup

# Conflicts:
#	src/GitHub.Api/Installer/GitInstaller.cs
#	src/tests/IntegrationTests/Git/GitSetupTests.cs

Author: StanleyGoldman

GitHub.Unity.sln.DotSettings

@@ -335,7 +335,7 @@
   </TypePattern>
 &lt;/Patterns&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=ID/@EntryIndexedValue">ID</s:String>
-	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=MD/@EntryIndexedValue">ME</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=MD/@EntryIndexedValue">MD</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=SSH/@EntryIndexedValue">SSH</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateInstanceFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateStaticFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2016 GitHub
+Copyright (c) 2016-2018 GitHub
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

src/GitHub.Api/Extensions/FileSystemExtensions.cs

@@ -8,21 +8,6 @@ namespace GitHub.Unity
 {
     static class FileSystemExtensions
     {
-        public static string CalculateMD5(this IFileSystem fileSystem, string path)
-        {
-            if (fileSystem.DirectoryExists(path))
-            {
-                return fileSystem.CalculateFolderMD5(path);
-            }
-
-            if (fileSystem.FileExists(path))
-            {
-                return fileSystem.CalculateFileMD5(path);
-            }
-
-            throw new ArgumentException($@"Path does not exist: ""{path}""");
-        }
-
         public static string CalculateFileMD5(this IFileSystem fileSystem, string file)
         {
             byte[] computeHash;

src/GitHub.Api/GitHub.Api.csproj

@@ -141,6 +141,7 @@
     <Compile Include="Tasks\BaseOutputProcessor.cs" />
     <Compile Include="Tasks\ConcurrentExclusiveInterleave.cs" />
     <Compile Include="Tasks\ConfigOutputProcessor.cs" />
+    <Compile Include="Tasks\DownloadTask.cs" />
     <Compile Include="Tasks\ITaskManager.cs" />
     <Compile Include="Tasks\ProcessTask.cs" />
     <Compile Include="Tasks\TaskBase.cs" />

src/GitHub.Api/IO/FileSystem.cs

@@ -34,6 +34,12 @@ public bool FileExists(string filename)
             return File.Exists(filename);
         }
 
+        public long FileLength(string path)
+        {
+            var fileInfo = new FileInfo(path);
+            return fileInfo.Length;
+        }
+
         public IEnumerable<string> GetDirectories(string path)
         {
             return Directory.GetDirectories(path);
@@ -206,5 +212,10 @@ public Stream OpenRead(string path)
         {
             return File.OpenRead(path);
         }
+
+        public Stream OpenWrite(string path, FileMode mode)
+        {
+            return new FileStream(path, mode);
+        }
     }
 }

src/GitHub.Api/IO/IFileSystem.cs

@@ -7,6 +7,7 @@ namespace GitHub.Unity
     public interface IFileSystem
     {
         bool FileExists(string path);
+        long FileLength(string path);
         string Combine(string path1, string path2);
         string Combine(string path1, string path2, string path3);
         string GetFullPath(string path);
@@ -38,9 +39,11 @@ public interface IFileSystem
         string ReadAllText(string path);
         string ReadAllText(string path, Encoding encoding);
         Stream OpenRead(string path);
+        Stream OpenWrite(string path, FileMode mode);
         string[] ReadAllLines(string path);
         char DirectorySeparatorChar { get; }
         bool ExistingPathIsDirectory(string path);
         void SetCurrentDirectory(string currentDirectory);
+        byte[] ReadAllBytes(string path);
     }
 }

src/GitHub.Api/IO/NiceIO.cs

@@ -907,6 +907,12 @@ public NPath WriteAllText(string contents, Encoding encoding)
             return this;
         }
 
+        public byte[] ReadAllBytes()
+        {
+            ThrowIfRelative();
+            return FileSystem.ReadAllBytes(ToString());
+        }
+
         public string ReadAllText()
         {
             ThrowIfRelative();