From: Phillip Wood <phillip.wood123@gmail.com>
To: git@vger.kernel.org
Cc: Jeff King <peff@peff.net>, Taylor Blau <me@ttaylorr.com>,
"brian m. carlson" <sandals@crustytoothpaste.net>,
Thomas Guyot-Sionnest <tguyot@gmail.com>,
Junio C Hamano <gitster@pobox.com>,
Phillip Wood <phillip.wood123@gmail.com>
Subject: [PATCH v2 2/4] diff --no-index: die on error reading stdin
Date: Wed, 5 Jul 2023 20:49:28 +0100 [thread overview]
Message-ID: <be1d666769f2d6dd028c7d5ade0e9f563e953ab5.1688586536.git.phillip.wood@dunelm.org.uk> (raw)
In-Reply-To: <cover.1688586536.git.phillip.wood@dunelm.org.uk>
From: Phillip Wood <phillip.wood@dunelm.org.uk>
If there is an error when reading from stdin then "diff --no-index"
prints an error message but continues to try and diff a file named "-"
resulting in an error message that looks like
error: error while reading from stdin: Invalid argument
fatal: stat '-': No such file or directory
assuming that no file named "-" exists. If such a file exists it prints
the first error message and generates the diff from that file which is
not what the user wanted. Instead just die() straight away if we cannot
read from stdin.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
---
diff-no-index.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/diff-no-index.c b/diff-no-index.c
index 77462ac2a9..4470e0271d 100644
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -60,20 +60,19 @@ static int get_mode(const char *path, int *mode)
return 0;
}
-static int populate_from_stdin(struct diff_filespec *s)
+static void populate_from_stdin(struct diff_filespec *s)
{
struct strbuf buf = STRBUF_INIT;
size_t size = 0;
if (strbuf_read(&buf, 0, 0) < 0)
- return error_errno("error while reading from stdin");
+ die_errno("error while reading from stdin");
s->should_munmap = 0;
s->data = strbuf_detach(&buf, &size);
s->size = size;
s->should_free = 1;
s->is_stdin = 1;
- return 0;
}
static struct diff_filespec *noindex_filespec(const char *name, int mode)
--
2.40.1.852.g0a1e0755a6
next prev parent reply other threads:[~2023-07-05 19:50 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 ` Phillip Wood [this message]
2023-07-05 21:18 ` [PATCH v2 2/4] diff --no-index: die on error reading stdin 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
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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