[cc-frame-viewer] Add gl-matrix to third_party [redux]

tools/cc-frame-viewer/third_party/gl-matrix/tasks/support/gl-matrix/release_helper.rb

Index: tools/cc-frame-viewer/third_party/gl-matrix/tasks/support/gl-matrix/release_helper.rb
diff --git a/tools/cc-frame-viewer/third_party/gl-matrix/tasks/support/gl-matrix/release_helper.rb b/tools/cc-frame-viewer/third_party/gl-matrix/tasks/support/gl-matrix/release_helper.rb
new file mode 100644
index 0000000000000000000000000000000000000000..4aca02baf881c8d92ba442ed72f2a8e78951ee92
--- /dev/null
+++ b/tools/cc-frame-viewer/third_party/gl-matrix/tasks/support/gl-matrix/release_helper.rb
@@ -0,0 +1,104 @@
+# Copyright (c) 2013 Brandon Jones, Colin MacKenzie IV
+# 
+# This software is provided 'as-is', without any express or implied
+# warranty. In no event will the authors be held liable for any damages
+# arising from the use of this software.
+# 
+# Permission is granted to anyone to use this software for any purpose,
+# including commercial applications, and to alter it and redistribute it
+# freely, subject to the following restrictions:
+# 
+#  1. The origin of this software must not be misrepresented; you must not
+#     claim that you wrote the original software. If you use this software
+#     in a product, an acknowledgment in the product documentation would be
+#     appreciated but is not required.
+# 
+#  2. Altered source versions must be plainly marked as such, and must not
+#     be misrepresented as being the original software.
+# 
+#  3. This notice may not be removed or altered from any source distribution.
+
+# Pretty much everything here was ripped from Bundler.
+# https://github.com/carlhuda/bundler/blob/master/lib/bundler/gem_helper.rb
+module GLMatrix::ReleaseHelper
+  module_function
+
+  def release
+    guard_clean
+    guard_already_tagged
+    tag_version {
+      yield if block_given?
+      git_push
+    }
+  end
+
+  def base
+    GLMatrix.base_path.to_s
+  end
+
+  def git_push
+    perform_git_push
+    perform_git_push ' --tags'
+    Bundler.ui.confirm "Pushed git commits and tags"
+  end
+
+  def perform_git_push(options = '')
+    cmd = "git push #{options}"
+    out, code = sh_with_code(cmd)
+    raise "Couldn't git push. `#{cmd}' failed with the following output:\n\n#{out}\n" unless code == 0
+  end
+
+  def guard_already_tagged
+    if sh('git tag').split(/\n/).include?(version_tag)
+      raise("This tag has already been committed to the repo.")
+    end
+  end
+
+  def guard_clean
+    clean? or raise("There are files that need to be committed first.")
+  end
+
+  def clean?
+    sh_with_code("git diff --exit-code")[1] == 0
+  end
+
+  def tag_version
+    sh "git tag -a -m \"Version #{version}\" #{version_tag}"
+    Bundler.ui.confirm "Tagged #{version_tag}"
+    yield if block_given?
+  rescue
+    Bundler.ui.error "Untagged #{version_tag} due to error"
+    sh_with_code "git tag -d #{version_tag}"
+    raise
+  end
+
+  def version
+    GLMatrix::VERSION
+  end
+
+  def version_tag
+    "v#{version}"
+  end
+
+  def name
+    "gl-matrix"
+  end
+
+  def sh(cmd, &block)
+    out, code = sh_with_code(cmd, &block)
+    code == 0 ? out : raise(out.empty? ? "Running `#{cmd}' failed. Run this command directly for more detailed output." : out)
+  end
+
+  def sh_with_code(cmd, &block)
+    cmd << " 2>&1"
+    outbuf = ''
+    Bundler.ui.debug(cmd)
+    Dir.chdir(base) {
+      outbuf = `#{cmd}`
+      if $? == 0
+        block.call(outbuf) if block
+      end
+    }
+    [outbuf, $?]
+  end
+end