shortuser should stop before the first space character. Examples: "Foo Bar <foo.bar AT example DOT com>" -> "foo.bar" (instead of "foo.bar AT example DOT com>" as it was before.) "Foo Bar" -> "Foo"

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adding dir/bar

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adding foo

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dir/bar

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foo

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adding dir/bar_2

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adding foo_2

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dir/bar_2

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foo_2

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adding a

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adding c

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adding b

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adding d

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removing a

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removing c

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recording removal of a as rename to b (100% similar)