From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 12 Jan 2021 22:34:16 GMT
Subject: Re: [PATCH 10/22] mailmap tests: get rid of overly complex blame fuzzing
Message-ID: <xmqqlfcx239z.fsf@gitster.c.googlers.com>
In-Reply-To: <20210112201806.13284-11-avarab@gmail.com>

Ævar Arnfjörð Bjarmason  <avarab@gmail.com> writes:

> +	6 6 1
> +	Santa Claus
> +	7 7 1
> +	CTO
> +	EOF
> +
> +	git blame --porcelain one >actual.blame &&
> +	grep -E \
> +		-e "[0-9]+ [0-9]+ [0-9]+$" \
> +		-e "^author .*$" \
> +		actual.blame >actual.grep &&
> +	cut -d " " -f2-4 <actual.grep >actual.fuzz &&

An approach along the lines of ...

	NUM="[0-9][0-9]*"
	sed -n -e "s/^author //p" \
	-e "s/^$OID_REGEX \($NUM $NUM $NUM\)$/\1/p"

... would allow you to drop "cut" and also not assume that names do
not have more than 3 tokens.