WIP: Initial dotnet formula

Formula/dotnet.rb

@@ -0,0 +1,75 @@
+class Dotnet < Formula
+  desc ".Net Core"
+  homepage "https://github.com/dotnet/cli/releases"
+  url "https://github.com/dotnet/cli/archive/v1.0.0-preview2.tar.gz"
+  sha256 "a0708ed3eedb10e95dcea96c62f85be1c38b91f2be9afa89d8fc655b7e0c4706"
+
+  patch :DATA
+  head "https://github.com/dotnet/cli.git"
+
+  depends_on "cmake" => :build
+  depends_on "openssl"
+
+  def install
+    system "./build.sh", "--targets", "Prepare,Compile"
+
+    # Relink openssl to the homebrew version
+    # Would be smoother to tell clang to use this openssl prefix, but alas...
+    openssl_path = Formula["openssl"].opt_prefix
+
+    stage2 = buildpath/"artifacts/osx.#{MacOS.version}-x64/stage2"
+    system "install_name_tool -add_rpath #{openssl_path}/lib #{stage2}/shared/Microsoft.NETCore.App/1.0.0/System.Security.Cryptography.Native.dylib"
+
+    prefix.install Dir["#{stage2}/*"]
+  end
+
+  test do
+    system prefix/"dotnet", "version"
+  end
+end
+__END__
+---
+ build_projects/dotnet-cli-build/PrepareTargets.cs           | 9 ---------
+ build_projects/shared-build-targets-utils/Utils/GitUtils.cs | 4 ++--
+ 2 files changed, 2 insertions(+), 11 deletions(-)
+
+diff --git a/build_projects/dotnet-cli-build/PrepareTargets.cs b/build_projects/dotnet-cli-build/PrepareTargets.cs
+index 5e6b948..3af853b 100644
+--- a/build_projects/dotnet-cli-build/PrepareTargets.cs
++++ b/build_projects/dotnet-cli-build/PrepareTargets.cs
+@@ -464,15 +464,6 @@ public static BuildTargetResult CheckPrereqCmakePresent(BuildTargetContext c)
+         [Target]
+         public static BuildTargetResult SetTelemetryProfile(BuildTargetContext c)
+         {
+-            var gitResult = Cmd("git", "rev-parse", "HEAD")
+-                .CaptureStdOut()
+-                .Execute();
+-            gitResult.EnsureSuccessful();
+-
+-            var commitHash = gitResult.StdOut.Trim();
+-
+-            Environment.SetEnvironmentVariable("DOTNET_CLI_TELEMETRY_PROFILE", $"https://github.com/dotnet/cli;{commitHash}");
+-
+             return c.Success();
+         }
+
+diff --git a/build_projects/shared-build-targets-utils/Utils/GitUtils.cs b/build_projects/shared-build-targets-utils/Utils/GitUtils.cs
+index bae5c67..522958f 100644
+--- a/build_projects/shared-build-targets-utils/Utils/GitUtils.cs
++++ b/build_projects/shared-build-targets-utils/Utils/GitUtils.cs
+@@ -6,12 +6,12 @@ public static class GitUtils
+     {
+         public static int GetCommitCount()
+         {
+-            return int.Parse(ExecuteGitCommand("rev-list", "--count", "HEAD"));
++            return 3121;
+         }
+
+         public static string GetCommitHash()
+         {
+-            return ExecuteGitCommand("rev-parse", "HEAD");
++            return "1e9d529bc54ed49f33102199e109526ea9c6b3c4";
+         }
+
+         private static string ExecuteGitCommand(params string[] args)
+--