#!/bin/bash

set -e -u

_main() {
		cat > .clang-format <<YAML
---
Language: Cpp
BasedOnStyle: Google
AllowShortFunctionsOnASingleLine: None
AlwaysBreakAfterDefinitionReturnType: true
BreakBeforeBinaryOperators: None
# BreakBeforeTernaryOperators: false
# BreakConstructorInitializersBeforeComma: true
IndentCaseLabels: true
MaxEmptyLinesToKeep: 3
AccessModifierOffset: -4
IndentWidth:     4
TabWidth:        4
UseTab:          Always
BreakBeforeBraces: Allman
SpaceAfterCStyleCast: true
ReflowComments: false
# ForEachMacros:   [ foreach ]
...

YAML

		git ls-files --full-name :!scripts '*.cpp' '*.h' '*.inl' | parallel --quote -m clang-format -i
		git add -u :!.clang-format
		ruby -ryaml <<-RUBY
		config = YAML.load_file(".clang-format").merge("ReflowComments" => true)
		File.write(".clang-format",
			YAML.dump(config))
		RUBY
		git ls-files --full-name :!scripts '*.cpp' '*.h' '*.inl' | parallel --quote -m clang-format -i
		ruby -ryaml <<-RUBY
		config = YAML.load_file(".clang-format").merge("ReflowComments" => false)
		File.write(".clang-format",
			YAML.dump(config))
		RUBY
		git diff -- :!.clang-format > reflow.diff
		git checkout HEAD -- :!.clang-format
}

_main "$@"