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From: Junio C Hamano <gitster@pobox.com>
To: Phillip Wood <phillip.wood123@gmail.com>
Cc: git@vger.kernel.org, Jeff King <peff@peff.net>,
	Taylor Blau <me@ttaylorr.com>,
	"brian m. carlson" <sandals@crustytoothpaste.net>,
	Thomas Guyot-Sionnest <tguyot@gmail.com>
Subject: Re: [PATCH v2 3/4] t4054: test diff --no-index with stdin
Date: Wed, 05 Jul 2023 14:22:51 -0700	[thread overview]
Message-ID: <xmqqbkgqxdck.fsf@gitster.g> (raw)
In-Reply-To: <1c7db4dbe26715912672630c1a5659591931cb2d.1688586536.git.phillip.wood@dunelm.org.uk> (Phillip Wood's message of "Wed, 5 Jul 2023 20:49:29 +0100")

Phillip Wood <phillip.wood123@gmail.com> writes:

> +	cat >expect <<-EOF &&
> +	diff --git a/- b/a/1
> +	index $ZERO_OID..$(git hash-object --stdin <a/1) 100644
> +	--- a/-
> +	+++ b/a/1
> +	@@ -1 +1 @@
> +	-x
> +	+1
> +	EOF
> +
> +	test_write_lines x | test_expect_code 1 \
> +		git -c core.abbrev=no diff --no-index -- - a/1 >actual &&

Or "git diff --no-index --full-index -- - a/1", which looks somewhat
odd but may be correct and a bit shorter ;-)

Not a suggestion to use --full-index instead of core.abbrev; both
are equally valid.

> +	test_cmp expect actual &&
> +
> +	test_write_lines 1 | git diff --no-index -- a/1 - >actual &&
> +	test_must_be_empty actual
> +'

Good.

>  test_expect_success 'diff --no-index refuses to diff stdin and a directory' '
>  	test_must_fail git diff --no-index -- - a </dev/null 2>err &&
>  	grep "fatal: cannot compare stdin to a directory" err

  reply	other threads:[~2023-07-05 21:23 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-27 14:10 [PATCH 0/3] diff --no-index: support reading from named pipes Phillip Wood
2023-06-27 14:10 ` [PATCH 1/3] diff --no-index: die on error reading stdin Phillip Wood
2023-06-27 14:10 ` [PATCH 2/3] t4054: test diff --no-index with stdin Phillip Wood
2023-06-27 14:10 ` [PATCH 3/3] diff --no-index: support reading from named pipes Phillip Wood
2023-06-27 19:44   ` Junio C Hamano
2023-06-28 10:05     ` Phillip Wood
2023-07-05 19:49 ` [PATCH v2 0/4] " Phillip Wood
2023-07-05 19:49   ` [PATCH v2 1/4] diff --no-index: refuse to compare stdin to a directory Phillip Wood
2023-07-05 21:17     ` Junio C Hamano
2023-07-05 19:49   ` [PATCH v2 2/4] diff --no-index: die on error reading stdin Phillip Wood
2023-07-05 21:18     ` Junio C Hamano
2023-07-05 19:49   ` [PATCH v2 3/4] t4054: test diff --no-index with stdin Phillip Wood
2023-07-05 21:22     ` Junio C Hamano [this message]
2023-07-05 19:49   ` [PATCH v2 4/4] diff --no-index: support reading from named pipes Phillip Wood
2023-07-05 22:19     ` Junio C Hamano
2023-08-09 17:17     ` Jeff King
2023-08-10 12:56       ` Phillip Wood

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