Use ftype & give windows a glob_gitignore escape #217

Job	Run time
rubocop	14s
compare (rails/rails, ubuntu)	9s
coverage	27s
compare (rails/rails, windows)	2m 25s
build	6s
leftovers	7s
compare (rails/rails, macos)	38s
compare (ruby/ruby, ubuntu)	29s
spellr	7s
compare (ruby/ruby, windows)	1m 59s
rspec (2.7, ubuntu)	42s
compare (ruby/ruby, macos)	1m 15s
rspec (2.7, windows)	2m 14s
compare (facebook/react, ubuntu)	12s
rspec (2.7, macos)	1m 46s
compare (facebook/react, windows)	1m 37s
rspec (3.0, ubuntu)	23s
compare (facebook/react, macos)	24s
rspec (3.0, windows)	1m 16s
rspec (3.0, macos)	33s
rspec (3.1, ubuntu)	20s
rspec (3.1, windows)	1m 13s
rspec (3.1, macos)	41s
rspec (3.2, ubuntu)	20s
rspec (3.2, windows)	2m 12s
rspec (3.2, macos)	27s
rspec (ruby-head, ubuntu)	22s
rspec (ruby-head, windows)	1m 18s
rspec (ruby-head, macos)	38s
rspec (jruby-9.4, ubuntu)	1m 38s
rspec (jruby-9.4, windows)	1m 33s
rspec (jruby-9.4, macos)	3m 23s
rspec (jruby-head, ubuntu)	1m 38s
rspec (jruby-head, windows)	2m 43s
rspec (jruby-head, macos)	5m 58s
	41m 27s

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