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bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote pro
From: |
Noam Postavsky |
Subject: |
bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process |
Date: |
Thu, 14 May 2020 10:07:23 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (windows-nt) |
Philipp Stephani <p.stephani2@gmail.com> writes:
> Am Do., 14. Mai 2020 um 13:00 Uhr schrieb Michael Albinus
> <michael.albinus@gmx.de>:
>> I see. A short test shows, that git is using exit code 129 in case of
>> error in invocation, although it isn't documented in the man pages.
>>
>> Hmm, this seems to be a contradiction to the specification of reserved
>> exit codes, as described in <https://tldp.org/LDP/abs/html/exitcodes.html>.
>> We cannot change git
>
> We can at least file a bug against Git.
>
>> so either
>>
>> - we keep Tramp's process-file implementation as it is,
>
> I'd (naturally) prefer that way. Exit codes > 128 are nonportable, as
> they don't allow shells to detect signals.
I don't think this is a correct description. Bash has the convention
that it uses codes > 128 to indicate commands terminated by signals.
But processes other than bash (like git) don't necessarily follow this
convention. The shell can still detect the signals, it's shell
*scripts* that will have the problem (when running commands that use
exit codes > 128).
>> - we don't return a string in case a signal has interrupted the process,
Since we don't have a reliable way to detect signals, I think this is
the only viable option.
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, (continued)
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/06
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Philipp Stephani, 2020/05/06
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Philipp Stephani, 2020/05/06
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/06
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/07
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Philipp Stephani, 2020/05/09
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Noam Postavsky, 2020/05/13
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/14
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Philipp Stephani, 2020/05/14
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Andreas Schwab, 2020/05/14
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process,
Noam Postavsky <=
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Philipp Stephani, 2020/05/14
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/14
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/16
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Dmitry Gutov, 2020/05/16
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/16
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Dmitry Gutov, 2020/05/16
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/17
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Philipp Stephani, 2020/05/23
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Michael Albinus, 2020/05/23
- bug#41099: 28.0.50; TRAMP process-file ignores exit status of remote process, Philipp Stephani, 2020/05/23