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From: Jeff King <peff@peff.net>
To: Danh Doan <congdanhqx@gmail.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH v4 8/8] sequencer: reencode commit message for am/rebase --show-current-patch
Date: Thu, 7 Nov 2019 03:03:07 -0500	[thread overview]
Message-ID: <20191107080307.GB11245@sigill.intra.peff.net> (raw)
In-Reply-To: <20191107074858.GC8096@danh.dev>

On Thu, Nov 07, 2019 at 02:48:58PM +0700, Danh Doan wrote:

> > # and if we resolve and commit, presumably we'd get a broken commit,
> > # with iso8859-1 and no encoding header
> > echo resolved >file
> > git add file
> > GIT_EDITOR=: git rebase --continue
> > -- 8< --
> > 
> > But somehow it all seems to work. The resulting commit has real utf8 in
> > it. I'm not sure if we pull it from the original commit via "commit -c",
> 
> Yes, somehow it worked. But, without this patch, git also warns:
> 
>     % GIT_EDITOR=: git rebase --continue
>     Warning: commit message did not conform to UTF-8.
>     You may want to amend it after fixing the message, or set the config
>     variable i18n.commitencoding to the encoding your project uses.
> 
> Checking with strace (on glibc, musl strace can't trace execve):
> 
> > [pid 12848] execve("/home/danh/workspace/git/git", ["/home/danh/workspace/git/git", "commit", "-n", "-F", ".git/rebase-merge/message", "-e", "--allow-empty"], 0x558fb02e8240 /* 51 vars */) = 0
> 
> Turn out, it's because of: commit.c::verify_utf8
> 
>     /*
>      * This verifies that the buffer is in proper utf8 format.
>      *
>      * If it isn't, it assumes any non-utf8 characters are Latin1,
>      * and does the conversion.
>      */
>     static int verify_utf8(struct strbuf *buf)
> 
> Hence, your test is just pure luck (because it's in latin1).

Ah, thanks for resolving that mystery. Is it worth turning the scenario
above into a test?

-Peff

  reply	other threads:[~2019-11-07  8:03 UTC|newest]

Thread overview: 89+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-31  9:26 [PATCH 0/3] Linux with musl libc improvement Doan Tran Cong Danh
2019-10-31  9:26 ` [PATCH 1/3] t0028: eliminate non-standard usage of printf Doan Tran Cong Danh
2019-10-31 17:41   ` Jeff King
2019-11-01  1:33     ` Danh Doan
2019-10-31 19:50   ` brian m. carlson
2019-10-31  9:26 ` [PATCH 2/3] configure.ac: define ICONV_OMITS_BOM if necessary Doan Tran Cong Danh
2019-10-31 18:11   ` Jeff King
2019-10-31 20:02     ` brian m. carlson
2019-11-01  1:40     ` Danh Doan
2019-10-31  9:26 ` [PATCH 3/3] sequencer: reencode to utf-8 before arrange rebase's todo list Doan Tran Cong Danh
2019-10-31 10:38   ` Johannes Schindelin
2019-10-31 19:26     ` Jeff King
2019-11-01  4:49       ` Danh Doan
2019-11-01  8:25 ` [PATCH v2 0/3] Linux with musl libc improvement Doan Tran Cong Danh
2019-11-01  8:25   ` [PATCH v2 1/3] t0028: eliminate non-standard usage of printf Doan Tran Cong Danh
2019-11-01 16:54     ` Jeff King
2019-11-01  8:25   ` [PATCH v2 2/3] configure.ac: define ICONV_OMITS_BOM if necessary Doan Tran Cong Danh
2019-11-01 16:56     ` Jeff King
2019-11-02  0:43       ` Danh Doan
2019-11-01  8:25   ` [PATCH v2 3/3] sequencer: reencode to utf-8 before arrange rebase's todo list Doan Tran Cong Danh
2019-11-01 16:59     ` Jeff King
2019-11-02  1:02       ` Danh Doan
2019-11-02 12:20         ` Danh Doan
2019-11-05  8:00         ` Jeff King
2019-11-06  1:30           ` Junio C Hamano
2019-11-06  4:03             ` Jeff King
2019-11-06 10:03               ` Danh Doan
2019-11-07  5:56                 ` Jeff King
2019-11-06  9:19 ` [PATCH v3 0/8] Correct internal working and output encoding Doan Tran Cong Danh
2019-11-06  9:19   ` [PATCH v3 1/8] t0028: eliminate non-standard usage of printf Doan Tran Cong Danh
2019-11-06  9:20   ` [PATCH v3 2/8] configure.ac: define ICONV_OMITS_BOM if necessary Doan Tran Cong Danh
2019-11-06  9:20   ` [PATCH v3 3/8] t3900: demonstrate git-rebase problem with multi encoding Doan Tran Cong Danh
2019-11-06  9:20   ` [PATCH v3 4/8] sequencer: reencode to utf-8 before arrange rebase's todo list Doan Tran Cong Danh
2019-11-06  9:20   ` [PATCH v3 5/8] sequencer: reencode revert/cherry-pick's " Doan Tran Cong Danh
2019-11-06  9:20   ` [PATCH v3 6/8] sequencer: reencode squashing commit's message Doan Tran Cong Danh
2019-11-06  9:20   ` [PATCH v3 7/8] sequencer: reencode old merge-commit message Doan Tran Cong Danh
2019-11-06 15:39     ` Eric Sunshine
2019-11-06  9:20   ` [PATCH v3 8/8] sequencer: reencode commit message for am/rebase --show-current-patch Doan Tran Cong Danh
2019-11-07  2:56 ` [PATCH v4 0/8] Correct internal working and output encoding Doan Tran Cong Danh
2019-11-07  2:56   ` [PATCH v4 1/8] t0028: eliminate non-standard usage of printf Doan Tran Cong Danh
2019-11-07  2:56   ` [PATCH v4 2/8] configure.ac: define ICONV_OMITS_BOM if necessary Doan Tran Cong Danh
2019-11-07  6:18     ` Junio C Hamano
2019-11-07  2:56   ` [PATCH v4 3/8] t3900: demonstrate git-rebase problem with multi encoding Doan Tran Cong Danh
2019-11-07  6:02     ` Jeff King
2019-11-07  6:48       ` Danh Doan
2019-11-07  8:02         ` Jeff King
2019-11-07 10:51           ` Danh Doan
2019-11-11  8:22             ` Jeff King
2019-11-07  2:56   ` [PATCH v4 4/8] sequencer: reencode to utf-8 before arrange rebase's todo list Doan Tran Cong Danh
2019-11-07  6:04     ` Jeff King
2019-11-07  2:56   ` [PATCH v4 5/8] sequencer: reencode revert/cherry-pick's " Doan Tran Cong Danh
2019-11-07  6:06     ` Jeff King
2019-11-07  2:56   ` [PATCH v4 6/8] sequencer: reencode squashing commit's message Doan Tran Cong Danh
2019-11-07  6:15     ` Jeff King
2019-11-07  2:56   ` [PATCH v4 7/8] sequencer: reencode old merge-commit message Doan Tran Cong Danh
2019-11-07  2:56   ` [PATCH v4 8/8] sequencer: reencode commit message for am/rebase --show-current-patch Doan Tran Cong Danh
2019-11-07  6:32     ` Jeff King
2019-11-07  7:48       ` Danh Doan
2019-11-07  8:03         ` Jeff King [this message]
2019-11-07 16:32           ` Danh Doan
2019-11-08  9:43 ` [PATCH v5 0/9] Improve odd encoding integration Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 1/9] t0028: eliminate non-standard usage of printf Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 2/9] configure.ac: define ICONV_OMITS_BOM if necessary Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 3/9] t3900: demonstrate git-rebase problem with multi encoding Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 4/9] sequencer: reencode to utf-8 before arrange rebase's todo list Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 5/9] sequencer: reencode revert/cherry-pick's " Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 6/9] sequencer: reencode squashing commit's message Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 7/9] sequencer: reencode old merge-commit message Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 8/9] sequencer: reencode commit message for am/rebase --show-current-patch Doan Tran Cong Danh
2019-11-08  9:43   ` [PATCH v5 9/9] sequencer: fallback to sane label in making rebase todo list Doan Tran Cong Danh
2019-11-11  1:22   ` [PATCH v5 0/9] Improve odd encoding integration Junio C Hamano
2019-11-11  4:02   ` Junio C Hamano
2019-11-11  4:43     ` Danh Doan
2019-11-11  6:14     ` Junio C Hamano
2019-11-11  6:03 ` [PATCH v6 0/9] sequencer: handle other encoding better Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 1/9] t0028: eliminate non-standard usage of printf Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 2/9] configure.ac: define ICONV_OMITS_BOM if necessary Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 3/9] t3900: demonstrate git-rebase problem with multi encoding Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 4/9] sequencer: reencode to utf-8 before arrange rebase's todo list Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 5/9] sequencer: reencode revert/cherry-pick's " Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 6/9] sequencer: reencode squashing commit's message Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 7/9] sequencer: reencode old merge-commit message Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 8/9] sequencer: reencode commit message for am/rebase --show-current-patch Doan Tran Cong Danh
2019-11-11  6:03   ` [PATCH v6 9/9] sequencer: fallback to sane label in making rebase todo list Doan Tran Cong Danh
2019-11-11  8:39     ` Jeff King
2019-11-11 16:22       ` Phillip Wood
2019-11-11 18:26     ` Johannes Schindelin
2019-11-12  4:17       ` Junio C Hamano
2019-11-11  8:40   ` [PATCH v6 0/9] sequencer: handle other encoding better Jeff King

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