Use ftype & give windows a glob_gitignore escape #218

Job	Run time
compare (rails/rails, ubuntu)	14s
compare (rails/rails, windows)	2m 10s
build	7s
compare (rails/rails, macos)	20s
coverage	22s
leftovers	8s
compare (ruby/ruby, ubuntu)	27s
compare (ruby/ruby, windows)	2m 6s
rubocop	16s
compare (ruby/ruby, macos)	39s
rspec (2.7, ubuntu)	40s
compare (facebook/react, ubuntu)	10s
spellr	12s
rspec (2.7, windows)	2m 2s
compare (facebook/react, windows)	2m 2s
rspec (2.7, macos)	1m 59s
compare (facebook/react, macos)	22s
rspec (3.0, ubuntu)	22s
rspec (3.0, windows)	1m 17s
rspec (3.0, macos)	45s
rspec (3.1, ubuntu)	57s
rspec (3.1, windows)	1m 32s
rspec (3.1, macos)	48s
rspec (3.2, ubuntu)	22s
rspec (3.2, windows)	1m 22s
rspec (3.2, macos)	38s
rspec (ruby-head, ubuntu)	37s
rspec (ruby-head, windows)	1m 11s
rspec (ruby-head, macos)	45s
rspec (jruby-9.4, ubuntu)	1m 48s
rspec (jruby-9.4, windows)	1m 54s
rspec (jruby-9.4, macos)	5m 28s
rspec (jruby-head, ubuntu)	1m 40s
rspec (jruby-head, windows)	1m 38s
rspec (jruby-head, macos)	3m 47s
	41m 7s

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